{"title":"Mid-Bed Catalytic Converters — G-Sport by GESi®","description":"\u003cp\u003eMany OEM catalytic converters run \u003cstrong\u003etwo catalyst bricks with an oxygen sensor between them\u003c\/strong\u003e — and the G-Sport Mid-Bed series replicates exactly that layout in a high-performance, EPA-compliant package. Each Mid-Bed pairs a \u003cstrong\u003e400 CPSI primary brick with a 200 CPSI secondary\u003c\/strong\u003e inside a single housing with a mid-bed O2 sensor port, preserving the physical and functional characteristics of factory catalytic systems while adding the durability and flow of GESi's S-Wound core. Two tiers are offered — \u003cstrong\u003eUHO (4.500\" body, up to 850hp)\u003c\/strong\u003e and \u003cstrong\u003eUHO+ (5.000\" body, up to 1,000hp)\u003c\/strong\u003e — each as a substrate-only core or a weld-ready unit with 3.000\" transition cones installed. Note: Mid-Beds are the only \u003cstrong\u003edirectional\u003c\/strong\u003e converters in the G-Sport line — install as marked. Details in our \u003ca href=\"\/blogs\/g-sport\/g-sport-catalytic-converter-installation-guidelines\"\u003eG-Sport Installation Guidelines\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"g-sport-gesi-gen2-epa-compliant-catalytic-converter-core-5-000-body-x-7-000-long-mid-bed-series-25001","title":"G-Sport Gen2 UHO+ EPA Compliant Catalytic Converter Core - 5.000\" Body x 7.000\" Long - Mid-Bed Series (25001)","description":"\u003cp\u003e\u003cstrong\u003eAlso available:\u003c\/strong\u003e \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-25031\"\u003eWith 3.000\" cones installed (25031)\u003c\/a\u003e | \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-core-4-500-body-x-7-000-long-mid-bed-series-24501\"\u003eUHO 4.500\" Mid-Bed Core (24501)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003e1,000HP OEM-STYLE DUAL-BRICK DESIGN WITH A MID-BED O2 PORT — G-SPORT GEN2 ADVANCED UHO+ MID-BED CORE\u003c\/h5\u003e\n\u003cp\u003eThe G-Sport Gen2 Advanced UHO+ Mid-Bed Catalytic Converter Core (25001) brings the OEM-style dual-brick layout to \u003cstrong\u003efour-digit power\u003c\/strong\u003e: rated up to \u003cstrong\u003e1,000hp per core (per exhaust bank)\u003c\/strong\u003e, with \u003cstrong\u003etwo catalyst bricks in a single 5.000\" OD housing and an oxygen sensor port between them\u003c\/strong\u003e. This is the core-only version, ready for full custom integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHAT IS A \"MID-BED\" CATALYTIC CONVERTER?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA Mid-Bed cat is a specific type of GEN2 catalytic converter that contains \u003cstrong\u003etwo separate catalyst bricks\u003c\/strong\u003e within a single housing, with an \u003cstrong\u003eoxygen sensor port\u003c\/strong\u003e located between them — mirroring the design commonly found in many OEM catalytic converters. GESi developed the Mid-Bed option as a high-performance, emissions-compliant replacement that maintains the physical and functional characteristics of factory catalytic systems, with the durability and flow of the proven S-Wound core. The primary brick runs a \u003cstrong\u003e400 CPSI\u003c\/strong\u003e cell count with a \u003cstrong\u003e200 CPSI\u003c\/strong\u003e secondary, and the Gen2 coating supports the advanced OBD monitoring on 2017 and newer vehicles while remaining compatible with all model years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-style dual-brick layout with mid-bed O2 sensor port\u003c\/strong\u003e — preserves factory emissions characteristics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated up to 1,000hp per core\u003c\/strong\u003e — 5.000\" body (UHO+ tier, Gen2 exclusive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 CPSI primary \/ 200 CPSI secondary S-Wound metallic substrates\u003c\/strong\u003e with proprietary GEN2 wash coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — the only directional converters in the G-Sport line; install in the flow direction marked on the body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-lined, furnace-brazed substrates\u003c\/strong\u003e; 300 Series stainless steel throughout; spikes up to \u003cstrong\u003e1,600°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA compliant\u003c\/strong\u003e — third-party lab tested (not CARB certified; not for use on emissions-controlled vehicles in California)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Advanced-Catalytic-NEW-cross-section-product-features-1920w.webp?v=1739989638\" alt=\"G-Sport Gen2 Advanced catalytic converter cross-section and construction features | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold As: Catalytic core only (no transition cones)\u003c\/li\u003e\n\u003cli\u003eBody Diameter: 5.000\" OD\u003c\/li\u003e\n\u003cli\u003eOverall Length: 7.000\" (±0.125\")\u003c\/li\u003e\n\u003cli\u003eCell Count: 400 CPSI primary \/ 200 CPSI secondary\u003c\/li\u003e\n\u003cli\u003eO2 Sensor Port: mid-bed, between the two bricks\u003c\/li\u003e\n\u003cli\u003eHP Rating: up to 1,000hp per core (per exhaust bank)\u003c\/li\u003e\n\u003cli\u003eFlow Direction: Directional — install as marked on the body\u003c\/li\u003e\n\u003cli\u003eSubstrate: S-Wound metallic, furnace-brazed\u003c\/li\u003e\n\u003cli\u003eMaterial: 300 Series stainless steel\u003c\/li\u003e\n\u003cli\u003eEPA Compliant: Yes (not CARB certified)\u003c\/li\u003e\n\u003cli\u003eWeight: 5.56 lbs\u003c\/li\u003e\n\u003cli\u003eConnection: Welding Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn instrumented dyno testing with pressure probes upstream and downstream of the substrate, a properly sized G-Sport high-flow catalytic converter produced \u003cstrong\u003ehorsepower and torque curves identical to a straight pipe\u003c\/strong\u003e, with no measurable pressure drop across the core. Emissions reduction runs up to 99% for carbon monoxide, 98% for nitrogen oxides, and 95% for hydrocarbons.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Dyno-Test-Horsepower-and-Torque-Dodge-Viper-1-1920w_600x600.webp?v=1739990090\" alt=\"G-Sport high-flow catalytic converter dyno test results, horsepower and torque | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATIONS \u0026amp; FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the UHO+ Mid-Bed core for builds between \u003cstrong\u003e850hp and 1,000hp per exhaust bank\u003c\/strong\u003e that need an \u003cstrong\u003eOEM-style mid-bed O2 sensor location\u003c\/strong\u003e. Prefer it weld-ready? The \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-25031\"\u003e25031\u003c\/a\u003e is this core with 3.000\" transition cones installed. Under 850hp, the \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-core-4-500-body-x-7-000-long-mid-bed-series-24501\"\u003eUHO Mid-Bed core (24501)\u003c\/a\u003e packages tighter. If your system does not need a mid-bed sensor port, the standard \u003ca href=\"\/products\/gesi-g-sport-uho-gen2-epa-compliant-catalytic-converter-core-400-cpsi-85500\"\u003eGen2 UHO+ core (85500)\u003c\/a\u003e is 3.000\" shorter.\u003c\/p\u003e\n\u003cp\u003eFor the full selection guide, see \u003ca href=\"\/blogs\/news\/understanding-the-g-sport-catalytic-converter-lineup\"\u003eUnderstanding the G-Sport Catalytic Converter Lineup\u003c\/a\u003e and our \u003ca href=\"\/blogs\/news\/g-sport-catalytic-converters-explained-generations-performance-ratings-and-installation-tips\"\u003eG-Sport FAQ\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/4-1920w.webp?v=1739989768\" alt=\"G-Sport GEN1 vs GEN2 vs Non-EPA catalytic converter comparison chart | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION NOTES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMid-Bed converters are directional — install in the flow direction marked on the body.\u003c\/strong\u003e Reversed flow will cause emissions failure and inaccurate O2 readings. Weld in via custom transitions (or choose the 25031 with cones installed), place the unit as close to the OEM converter location as practical — within 8\"–24\" of the turbo outlet or header collector on custom systems — and position the mid-bed O2 sensor in the supplied port. In dual-bank systems, run the same converter model on both banks. Full best practices, common mistakes, and a pre-flight checklist are in our \u003ca href=\"\/blogs\/g-sport\/g-sport-catalytic-converter-installation-guidelines\"\u003eG-Sport Installation Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNot sure which generation or output tier your build needs? Email us at \u003ca href=\"mailto:support@aceraceparts.com\"\u003esupport@aceraceparts.com\u003c\/a\u003e with your platform, power goal, and tubing size and we will point you to the right part.\u003c\/p\u003e","brand":"G-Sport","offers":[{"title":"Default Title","offer_id":40933872599103,"sku":"GSP25001","price":1092.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/Screenshot2024-06-07at3.25.54PM.png?v=1717799210"},{"product_id":"g-sport-gen2-uho-epa-compliant-catalytic-converter-core-4-500-body-x-7-000-long-mid-bed-series-24501","title":"G-Sport Gen2 UHO EPA Compliant Catalytic Converter Core - 4.500\" Body x 7.000\" Long - Mid-Bed Series (24501)","description":"\u003cp\u003e\u003cstrong\u003eAlso available:\u003c\/strong\u003e \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-24531\"\u003eWith 3.000\" cones installed (24531)\u003c\/a\u003e | \u003ca href=\"\/products\/g-sport-gesi-gen2-epa-compliant-catalytic-converter-core-5-000-body-x-7-000-long-mid-bed-series-25001\"\u003eUHO+ 5.000\" Mid-Bed Core (25001)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eOEM-STYLE DUAL-BRICK DESIGN WITH A MID-BED O2 PORT — G-SPORT GEN2 ADVANCED UHO MID-BED CORE\u003c\/h5\u003e\n\u003cp\u003eThe G-Sport Gen2 Advanced UHO Mid-Bed Catalytic Converter Core (24501) replicates the layout many OEM converters use — \u003cstrong\u003etwo separate catalyst bricks in a single housing with an oxygen sensor port between them\u003c\/strong\u003e — in a high-flow, emissions-compliant package rated up to \u003cstrong\u003e850hp per core (per exhaust bank)\u003c\/strong\u003e. This is the core-only version: a bare 4.500\" OD x 7.000\" long canister ready for full custom integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHAT IS A \"MID-BED\" CATALYTIC CONVERTER?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA Mid-Bed cat is a specific type of GEN2 catalytic converter that contains \u003cstrong\u003etwo separate catalyst bricks\u003c\/strong\u003e within a single housing, with an \u003cstrong\u003eoxygen sensor port\u003c\/strong\u003e located between them — mirroring the design commonly found in many OEM catalytic converters. GESi developed the Mid-Bed option as a high-performance, emissions-compliant replacement that maintains the physical and functional characteristics of factory catalytic systems, with the durability and flow of the proven S-Wound core. The primary brick runs a \u003cstrong\u003e400 CPSI\u003c\/strong\u003e cell count with a \u003cstrong\u003e200 CPSI\u003c\/strong\u003e secondary, and the Gen2 coating supports the advanced OBD monitoring on 2017 and newer vehicles while remaining compatible with all model years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-style dual-brick layout with mid-bed O2 sensor port\u003c\/strong\u003e — preserves factory emissions characteristics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated up to 850hp per core\u003c\/strong\u003e — 4.500\" body (UHO tier)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 CPSI primary \/ 200 CPSI secondary S-Wound metallic substrates\u003c\/strong\u003e with proprietary GEN2 wash coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — the only directional converters in the G-Sport line; install in the flow direction marked on the body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-lined, furnace-brazed substrates\u003c\/strong\u003e; 300 Series stainless steel throughout; spikes up to \u003cstrong\u003e1,600°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA compliant\u003c\/strong\u003e — third-party lab tested (not CARB certified; not for use on emissions-controlled vehicles in California)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Advanced-Catalytic-NEW-cross-section-product-features-1920w.webp?v=1739989638\" alt=\"G-Sport Gen2 Advanced catalytic converter cross-section and construction features | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold As: Catalytic core only (no transition cones)\u003c\/li\u003e\n\u003cli\u003eBody Diameter: 4.500\" OD\u003c\/li\u003e\n\u003cli\u003eOverall Length: 7.000\" (±0.125\")\u003c\/li\u003e\n\u003cli\u003eCell Count: 400 CPSI primary \/ 200 CPSI secondary\u003c\/li\u003e\n\u003cli\u003eO2 Sensor Port: mid-bed, between the two bricks\u003c\/li\u003e\n\u003cli\u003eHP Rating: up to 850hp per core (per exhaust bank)\u003c\/li\u003e\n\u003cli\u003eFlow Direction: Directional — install as marked on the body\u003c\/li\u003e\n\u003cli\u003eSubstrate: S-Wound metallic, furnace-brazed\u003c\/li\u003e\n\u003cli\u003eMaterial: 300 Series stainless steel\u003c\/li\u003e\n\u003cli\u003eEPA Compliant: Yes (not CARB certified)\u003c\/li\u003e\n\u003cli\u003eWeight: 4.61 lbs\u003c\/li\u003e\n\u003cli\u003eConnection: Welding Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn instrumented dyno testing with pressure probes upstream and downstream of the substrate, a properly sized G-Sport high-flow catalytic converter produced \u003cstrong\u003ehorsepower and torque curves identical to a straight pipe\u003c\/strong\u003e, with no measurable pressure drop across the core. Emissions reduction runs up to 99% for carbon monoxide, 98% for nitrogen oxides, and 95% for hydrocarbons.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Dyno-Test-Horsepower-and-Torque-Dodge-Viper-1-1920w_600x600.webp?v=1739990090\" alt=\"G-Sport high-flow catalytic converter dyno test results, horsepower and torque | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATIONS \u0026amp; FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the Mid-Bed when your build needs an \u003cstrong\u003eOEM-style mid-bed O2 sensor location\u003c\/strong\u003e — emissions-sensitive applications, or replacements for factory dual-brick converters — at up to 850hp per bank. Prefer it weld-ready? The \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-24531\"\u003e24531\u003c\/a\u003e is this core with 3.000\" transition cones installed. Past 850hp, the \u003ca href=\"\/products\/g-sport-gesi-gen2-epa-compliant-catalytic-converter-core-5-000-body-x-7-000-long-mid-bed-series-25001\"\u003eUHO+ 5.000\" Mid-Bed core (25001)\u003c\/a\u003e is rated to 1,000hp. If your system does not need a mid-bed sensor port, the standard \u003ca href=\"\/products\/gesi-g-sport-gen2-epa-compliant-catalytic-converter-core-4-500-body-x-4-000-long-400-cpsi-85200\"\u003eGen2 UHO core (85200)\u003c\/a\u003e packages shorter at 4.000\" long.\u003c\/p\u003e\n\u003cp\u003eFor the full selection guide, see \u003ca href=\"\/blogs\/news\/understanding-the-g-sport-catalytic-converter-lineup\"\u003eUnderstanding the G-Sport Catalytic Converter Lineup\u003c\/a\u003e and our \u003ca href=\"\/blogs\/news\/g-sport-catalytic-converters-explained-generations-performance-ratings-and-installation-tips\"\u003eG-Sport FAQ\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/4-1920w.webp?v=1739989768\" alt=\"G-Sport GEN1 vs GEN2 vs Non-EPA catalytic converter comparison chart | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION NOTES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMid-Bed converters are directional — install in the flow direction marked on the body.\u003c\/strong\u003e Reversed flow will cause emissions failure and inaccurate O2 readings. Weld in via custom transitions (or choose the 24531 with cones installed), place the unit as close to the OEM converter location as practical — within 8\"–24\" of the turbo outlet or header collector on custom systems — and position the mid-bed O2 sensor in the supplied port. In dual-bank systems, run the same converter model on both banks. Full best practices, common mistakes, and a pre-flight checklist are in our \u003ca href=\"\/blogs\/g-sport\/g-sport-catalytic-converter-installation-guidelines\"\u003eG-Sport Installation Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNot sure which generation or output tier your build needs? Email us at \u003ca href=\"mailto:support@aceraceparts.com\"\u003esupport@aceraceparts.com\u003c\/a\u003e with your platform, power goal, and tubing size and we will point you to the right part.\u003c\/p\u003e","brand":"G-Sport","offers":[{"title":"Default Title","offer_id":41392519774271,"sku":"GSP24501","price":928.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/Screenshot2024-06-07at3.25.54PM.png?v=1717799210"},{"product_id":"g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-24531","title":"G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 3.000\" Inlet\/Outlet - Mid-Bed Series (24531)","description":"\u003cp\u003e\u003cstrong\u003eAlso available:\u003c\/strong\u003e \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-core-4-500-body-x-7-000-long-mid-bed-series-24501\"\u003eCore only, no cones (24501)\u003c\/a\u003e | \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-25031\"\u003eUHO+ Mid-Bed 3.000\" (25031)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eOEM-STYLE DUAL-BRICK DESIGN, WELD-READY WITH 3.000\" CONES — G-SPORT GEN2 ADVANCED UHO MID-BED\u003c\/h5\u003e\n\u003cp\u003eThe G-Sport Gen2 Advanced UHO Mid-Bed Catalytic Converter (24531) replicates the layout many OEM converters use — \u003cstrong\u003etwo separate catalyst bricks in a single housing with an oxygen sensor port between them\u003c\/strong\u003e — as a complete weld-in unit with \u003cstrong\u003e3.000\" inlet\/outlet transition cones already installed\u003c\/strong\u003e. Rated up to \u003cstrong\u003e850hp per converter (per exhaust bank)\u003c\/strong\u003e, it drops into 3.000\" systems without any cone fabrication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHAT IS A \"MID-BED\" CATALYTIC CONVERTER?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA Mid-Bed cat is a specific type of GEN2 catalytic converter that contains \u003cstrong\u003etwo separate catalyst bricks\u003c\/strong\u003e within a single housing, with an \u003cstrong\u003eoxygen sensor port\u003c\/strong\u003e located between them — mirroring the design commonly found in many OEM catalytic converters. GESi developed the Mid-Bed option as a high-performance, emissions-compliant replacement that maintains the physical and functional characteristics of factory catalytic systems, with the durability and flow of the proven S-Wound core. The primary brick runs a \u003cstrong\u003e400 CPSI\u003c\/strong\u003e cell count with a \u003cstrong\u003e200 CPSI\u003c\/strong\u003e secondary, and the Gen2 coating supports the advanced OBD monitoring on 2017 and newer vehicles while remaining compatible with all model years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-style dual-brick layout with mid-bed O2 sensor port\u003c\/strong\u003e — preserves factory emissions characteristics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeld-ready:\u003c\/strong\u003e 3.000\" inlet\/outlet transition cones installed — no cone fabrication required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated up to 850hp per converter\u003c\/strong\u003e — 4.500\" body (UHO tier)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 CPSI primary \/ 200 CPSI secondary S-Wound metallic substrates\u003c\/strong\u003e with proprietary GEN2 wash coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — the only directional converters in the G-Sport line; install in the flow direction marked on the body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA compliant\u003c\/strong\u003e, 300 Series stainless steel throughout, spikes up to \u003cstrong\u003e1,600°F\u003c\/strong\u003e (not CARB certified; not for use on emissions-controlled vehicles in California)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Advanced-Catalytic-NEW-cross-section-product-features-1920w.webp?v=1739989638\" alt=\"G-Sport Gen2 Advanced catalytic converter cross-section and construction features | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold As: Complete converter with 3.000\" transition cones installed\u003c\/li\u003e\n\u003cli\u003eInlet\/Outlet: 3.000\"\u003c\/li\u003e\n\u003cli\u003eBody Diameter: 4.500\" OD\u003c\/li\u003e\n\u003cli\u003eOverall Length: 10.000\" (±0.125\")\u003c\/li\u003e\n\u003cli\u003eCell Count: 400 CPSI primary \/ 200 CPSI secondary\u003c\/li\u003e\n\u003cli\u003eO2 Sensor Port: mid-bed, between the two bricks\u003c\/li\u003e\n\u003cli\u003eHP Rating: up to 850hp per converter (per exhaust bank)\u003c\/li\u003e\n\u003cli\u003eFlow Direction: Directional — install as marked on the body\u003c\/li\u003e\n\u003cli\u003eSubstrate: S-Wound metallic, furnace-brazed\u003c\/li\u003e\n\u003cli\u003eMaterial: 300 Series stainless steel\u003c\/li\u003e\n\u003cli\u003eEPA Compliant: Yes (not CARB certified)\u003c\/li\u003e\n\u003cli\u003eWeight: 5.25 lbs\u003c\/li\u003e\n\u003cli\u003eConnection: Welding Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn instrumented dyno testing with pressure probes upstream and downstream of the substrate, a properly sized G-Sport high-flow catalytic converter produced \u003cstrong\u003ehorsepower and torque curves identical to a straight pipe\u003c\/strong\u003e, with no measurable pressure drop across the core. Emissions reduction runs up to 99% for carbon monoxide, 98% for nitrogen oxides, and 95% for hydrocarbons.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Dyno-Test-Horsepower-and-Torque-Dodge-Viper-1-1920w_600x600.webp?v=1739990090\" alt=\"G-Sport high-flow catalytic converter dyno test results, horsepower and torque | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATIONS \u0026amp; FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the Mid-Bed when your build needs an \u003cstrong\u003eOEM-style mid-bed O2 sensor location\u003c\/strong\u003e — emissions-sensitive applications, or replacements for factory dual-brick converters — at up to 850hp per bank in 3.000\" tubing. Fabricating your own transitions? The \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-core-4-500-body-x-7-000-long-mid-bed-series-24501\"\u003ecore-only 24501\u003c\/a\u003e is the same unit without cones. Past 850hp, the \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-25031\"\u003eUHO+ Mid-Bed (25031)\u003c\/a\u003e is rated to 1,000hp. If your system does not need a mid-bed sensor port, the standard \u003ca href=\"\/products\/g-sport-gesi-uho-3-inch-inlet-outlet-gen2-epa-compliant-catalytic-converter-400-cpsi-85230\"\u003eGen2 UHO 3.000\" (85230)\u003c\/a\u003e packages 3.000\" shorter.\u003c\/p\u003e\n\u003cp\u003eFor the full selection guide, see \u003ca href=\"\/blogs\/news\/understanding-the-g-sport-catalytic-converter-lineup\"\u003eUnderstanding the G-Sport Catalytic Converter Lineup\u003c\/a\u003e and our \u003ca href=\"\/blogs\/news\/g-sport-catalytic-converters-explained-generations-performance-ratings-and-installation-tips\"\u003eG-Sport FAQ\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/4-1920w.webp?v=1739989768\" alt=\"G-Sport GEN1 vs GEN2 vs Non-EPA catalytic converter comparison chart | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION NOTES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMid-Bed converters are directional — install in the flow direction marked on the body.\u003c\/strong\u003e Reversed flow will cause emissions failure and inaccurate O2 readings. This is a weld-in unit for 3.000\" exhaust tubing; place it as close to the OEM converter location as practical — within 8\"–24\" of the turbo outlet or header collector on custom systems — and position the mid-bed O2 sensor in the supplied port. In dual-bank systems, run the same converter model on both banks. Full best practices, common mistakes, and a pre-flight checklist are in our \u003ca href=\"\/blogs\/g-sport\/g-sport-catalytic-converter-installation-guidelines\"\u003eG-Sport Installation Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNot sure which generation or output tier your build needs? Email us at \u003ca href=\"mailto:support@aceraceparts.com\"\u003esupport@aceraceparts.com\u003c\/a\u003e with your platform, power goal, and tubing size and we will point you to the right part.\u003c\/p\u003e","brand":"G-Sport","offers":[{"title":"Default Title","offer_id":41392521248831,"sku":"GSP24531","price":987.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/Screenshot2024-06-07at3.25.54PM.png?v=1717799210"},{"product_id":"g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-25031","title":"G-Sport Gen2 UHO+ EPA Compliant Catalytic Converter - 3.000\" Inlet\/Outlet - Mid-Bed Series (25031)","description":"\u003cp\u003e\u003cstrong\u003eAlso available:\u003c\/strong\u003e \u003ca href=\"\/products\/g-sport-gesi-gen2-epa-compliant-catalytic-converter-core-5-000-body-x-7-000-long-mid-bed-series-25001\"\u003eCore only, no cones (25001)\u003c\/a\u003e | \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-24531\"\u003eUHO Mid-Bed 3.000\" (24531)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003e1,000HP OEM-STYLE DUAL-BRICK DESIGN, WELD-READY WITH 3.000\" CONES — G-SPORT GEN2 ADVANCED UHO+ MID-BED\u003c\/h5\u003e\n\u003cp\u003eThe G-Sport Gen2 Advanced UHO+ Mid-Bed Catalytic Converter (25031) is the \u003cstrong\u003etop Mid-Bed in the line\u003c\/strong\u003e: rated up to \u003cstrong\u003e1,000hp per converter (per exhaust bank)\u003c\/strong\u003e, with \u003cstrong\u003etwo catalyst bricks in a single 5.000\" OD housing, an oxygen sensor port between them\u003c\/strong\u003e, and \u003cstrong\u003e3.000\" inlet\/outlet transition cones already installed\u003c\/strong\u003e for direct weld-in installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWHAT IS A \"MID-BED\" CATALYTIC CONVERTER?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA Mid-Bed cat is a specific type of GEN2 catalytic converter that contains \u003cstrong\u003etwo separate catalyst bricks\u003c\/strong\u003e within a single housing, with an \u003cstrong\u003eoxygen sensor port\u003c\/strong\u003e located between them — mirroring the design commonly found in many OEM catalytic converters. GESi developed the Mid-Bed option as a high-performance, emissions-compliant replacement that maintains the physical and functional characteristics of factory catalytic systems, with the durability and flow of the proven S-Wound core. The primary brick runs a \u003cstrong\u003e400 CPSI\u003c\/strong\u003e cell count with a \u003cstrong\u003e200 CPSI\u003c\/strong\u003e secondary, and the Gen2 coating supports the advanced OBD monitoring on 2017 and newer vehicles while remaining compatible with all model years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-style dual-brick layout with mid-bed O2 sensor port\u003c\/strong\u003e — preserves factory emissions characteristics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeld-ready:\u003c\/strong\u003e 3.000\" inlet\/outlet transition cones installed — no cone fabrication required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated up to 1,000hp per converter\u003c\/strong\u003e — 5.000\" body (UHO+ tier, Gen2 exclusive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 CPSI primary \/ 200 CPSI secondary S-Wound metallic substrates\u003c\/strong\u003e with proprietary GEN2 wash coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — the only directional converters in the G-Sport line; install in the flow direction marked on the body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA compliant\u003c\/strong\u003e, 300 Series stainless steel throughout, spikes up to \u003cstrong\u003e1,600°F\u003c\/strong\u003e (not CARB certified; not for use on emissions-controlled vehicles in California)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Advanced-Catalytic-NEW-cross-section-product-features-1920w.webp?v=1739989638\" alt=\"G-Sport Gen2 Advanced catalytic converter cross-section and construction features | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold As: Complete converter with 3.000\" transition cones installed\u003c\/li\u003e\n\u003cli\u003eInlet\/Outlet: 3.000\"\u003c\/li\u003e\n\u003cli\u003eBody Diameter: 5.000\" OD\u003c\/li\u003e\n\u003cli\u003eOverall Length: 12.000\" (±0.125\")\u003c\/li\u003e\n\u003cli\u003eCell Count: 400 CPSI primary \/ 200 CPSI secondary\u003c\/li\u003e\n\u003cli\u003eO2 Sensor Port: mid-bed, between the two bricks\u003c\/li\u003e\n\u003cli\u003eHP Rating: up to 1,000hp per converter (per exhaust bank)\u003c\/li\u003e\n\u003cli\u003eFlow Direction: Directional — install as marked on the body\u003c\/li\u003e\n\u003cli\u003eSubstrate: S-Wound metallic, furnace-brazed\u003c\/li\u003e\n\u003cli\u003eMaterial: 300 Series stainless steel\u003c\/li\u003e\n\u003cli\u003eEPA Compliant: Yes (not CARB certified)\u003c\/li\u003e\n\u003cli\u003eWeight: 6.57 lbs\u003c\/li\u003e\n\u003cli\u003eConnection: Welding Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn instrumented dyno testing with pressure probes upstream and downstream of the substrate, a properly sized G-Sport high-flow catalytic converter produced \u003cstrong\u003ehorsepower and torque curves identical to a straight pipe\u003c\/strong\u003e, with no measurable pressure drop across the core. Emissions reduction runs up to 99% for carbon monoxide, 98% for nitrogen oxides, and 95% for hydrocarbons.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/G-Sport-Dyno-Test-Horsepower-and-Torque-Dodge-Viper-1-1920w_600x600.webp?v=1739990090\" alt=\"G-Sport high-flow catalytic converter dyno test results, horsepower and torque | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATIONS \u0026amp; FITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose the UHO+ Mid-Bed for builds between \u003cstrong\u003e850hp and 1,000hp per exhaust bank\u003c\/strong\u003e in 3.000\" tubing that need an \u003cstrong\u003eOEM-style mid-bed O2 sensor location\u003c\/strong\u003e. Fabricating your own transitions? The \u003ca href=\"\/products\/g-sport-gesi-gen2-epa-compliant-catalytic-converter-core-5-000-body-x-7-000-long-mid-bed-series-25001\"\u003ecore-only 25001\u003c\/a\u003e is the same unit without cones. Under 850hp, the \u003ca href=\"\/products\/g-sport-gen2-uho-epa-compliant-catalytic-converter-3-000-inlet-outlet-mid-bed-series-24531\"\u003eUHO Mid-Bed (24531)\u003c\/a\u003e packages tighter. If your system does not need a mid-bed sensor port, the standard \u003ca href=\"\/products\/g-sport-gesi-uho-3-inch-inlet-outlet-gen2-epa-compliant-catalytic-converter-400-cpsi-85230\"\u003eGen2 UHO 3.000\" (85230)\u003c\/a\u003e runs 5.000\" shorter overall.\u003c\/p\u003e\n\u003cp\u003eFor the full selection guide, see \u003ca href=\"\/blogs\/news\/understanding-the-g-sport-catalytic-converter-lineup\"\u003eUnderstanding the G-Sport Catalytic Converter Lineup\u003c\/a\u003e and our \u003ca href=\"\/blogs\/news\/g-sport-catalytic-converters-explained-generations-performance-ratings-and-installation-tips\"\u003eG-Sport FAQ\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/4-1920w.webp?v=1739989768\" alt=\"G-Sport GEN1 vs GEN2 vs Non-EPA catalytic converter comparison chart | Ace Race Parts\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION NOTES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMid-Bed converters are directional — install in the flow direction marked on the body.\u003c\/strong\u003e Reversed flow will cause emissions failure and inaccurate O2 readings. This is a weld-in unit for 3.000\" exhaust tubing; place it as close to the OEM converter location as practical — within 8\"–24\" of the turbo outlet or header collector on custom systems — and position the mid-bed O2 sensor in the supplied port. In dual-bank systems, run the same converter model on both banks. Full best practices, common mistakes, and a pre-flight checklist are in our \u003ca href=\"\/blogs\/g-sport\/g-sport-catalytic-converter-installation-guidelines\"\u003eG-Sport Installation Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNot sure which generation or output tier your build needs? Email us at \u003ca href=\"mailto:support@aceraceparts.com\"\u003esupport@aceraceparts.com\u003c\/a\u003e with your platform, power goal, and tubing size and we will point you to the right part.\u003c\/p\u003e","brand":"G-Sport","offers":[{"title":"Default Title","offer_id":41392522428479,"sku":"GSP25031","price":1163.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/files\/Screenshot2024-06-07at3.25.54PM.png?v=1717799210"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8304\/collections\/G-Sport-GEN1-Advanced-Hero-UHO-Blank_8afe21f3-02c2-4eb0-8ab4-20c06980fe94.png?v=1787941078","url":"https:\/\/www.aceraceparts.com\/collections\/g-sport-mid-bed.oembed","provider":"Ace Race Parts","version":"1.0","type":"link"}