Catalytic Converters & Accessories — G-Sport by GESi®
The NEW Advanced Series High Flow Catalytic Converters with Added Performance Without Compromise! Our latest updates to our universal line of G-Sport Catalytic Converters expands our proven Core technology to better support the growing high performance aftermarket. Our converter models target applications based on model year, vehicle horsepower and exhaust... Read More
G-Sport OBD2 Non-EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (10025)
SKU GSP10025
Original price
$ 192.50
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Original price
$ 192.50
Original price
$ 192.50
$ 192.50
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$ 192.50
Current price
$ 192.50
Only 8 left!
NOTE: These Non-EPA G-Sport catalytic converters offer a lighter loaded catalyst and therefore will reduce all regulated emissions to a lesser degr...
View full detailsG-Sport OBD2 Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (10030)
SKU GSP10030
Original price
$ 199.01
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Original price
$ 199.01
Original price
$ 199.01
$ 199.01
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$ 199.01
Current price
$ 199.01
Only 12 left!
NOTE: These Non-EPA G-Sport catalytic converters offer a lighter loaded catalyst and therefore will reduce all regulated emissions to a lesser degr...
View full detailsG-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12030)
SKU GSP12030
Original price
$ 240.58
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Original price
$ 240.58
Original price
$ 240.58
$ 240.58
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$ 240.58
Current price
$ 240.58
Only 4 left!
NOTE: These Non-EPA G-Sport catalytic converters offer a lighter loaded catalyst and therefore will reduce all regulated emissions to a lesser degr...
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G-Sport Gen1 HO EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (50022)
SKU GSP50022
Original price
$ 614.10
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Original price
$ 614.10
Original price
$ 614.10
$ 614.10
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$ 614.10
Current price
$ 614.10
Only 10 left!
G-Sport Gen1 HO EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (50022) The GEN1 Advanced series of Catalytic Converters is reinforced with...
View full detailsG-Sport Gen1 HO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (50032)
SKU GSP50032
Original price
$ 626.15
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Original price
$ 626.15
Original price
$ 626.15
$ 626.15
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$ 626.15
Current price
$ 626.15
Only 2 left!
G-Sport Gen1 HO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (50032) The GEN1 Advanced series of Catalytic Converters is reinforced with...
View full detailsG-Sport Gen1 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (85032)
SKU GSP85032
Original price
$ 733.01
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Original price
$ 733.01
Original price
$ 733.01
$ 733.01
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$ 733.01
Current price
$ 733.01
Only 4 left!
G-Sport Gen1 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (85032) The GEN1 Advanced series of Catalytic Converters is reinforced wit...
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G-Sport Gen2 HO EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (50225)
SKU GSP50225
Original price
$ 614.10
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Original price
$ 614.10
Original price
$ 614.10
$ 614.10
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$ 614.10
Current price
$ 614.10
Only 1 left!
G-Sport Gen2 HO EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (50225) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical catal...
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G-Sport Gen2 HO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (50230)
SKU GSP50230
Original price
$ 626.15
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Original price
$ 626.15
Original price
$ 626.15
$ 626.15
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$ 626.15
Current price
$ 626.15
Only 5 left!
G-Sport Gen2 HO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (50230) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical catal...
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G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (85230)
SKU GSP85230
Original price
$ 733.01
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Original price
$ 733.01
Original price
$ 733.01
$ 733.01
-
$ 733.01
Current price
$ 733.01
Only 8 left!
G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (85230) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical cata...
View full detailsG-Sport Gen2 UHO EPA Compliant Catalytic Converter - 4.000" Inlet/Outlet (85240)
SKU GSP85240
Original price
$ 749.57
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Original price
$ 749.57
Original price
$ 749.57
$ 749.57
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$ 749.57
Current price
$ 749.57
Only 5 left!
G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 4.000" Inlet/Outlet (85240) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical cata...
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G-Sport Gen2 UHO EPA Compliant Catalytic Converter Core - 4.500" Body x 7.000" Long - Mid-Bed Series (24501)
SKU GSP24501
Original price
$ 928.15
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Original price
$ 928.15
Original price
$ 928.15
$ 928.15
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$ 928.15
Current price
$ 928.15
Only 5 left!
GESI G-Sport part number 24501 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport GESI Gen2 EPA Compliant Catalytic ...
View full detailsG-Sport Gen2 UHO+ EPA Compliant Catalytic Converter Core - 5.000" Body x 7.000" Long - Mid-Bed Series (25001)
SKU GSP25001
Original price
$ 1,092.66
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Original price
$ 1,092.66
Original price
$ 1,092.66
$ 1,092.66
-
$ 1,092.66
Current price
$ 1,092.66
Only 6 left!
GESI G-Sport part number 25001 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen2 UHO+ EPA Compliant Catalytic ...
View full detailsG-Sport Gen2 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet - Mid-Bed Series (24531)
SKU GSP24531
Original price
$ 987.53
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Original price
$ 987.53
Original price
$ 987.53
$ 987.53
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$ 987.53
Current price
$ 987.53
Only 4 left!
G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet - Mid-Bed Series (24531) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORM...
View full detailsG-Sport Gen2 UHO+ EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet - Mid-Bed Series (25031)
SKU GSP25031
Original price
$ 1,163.79
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Original price
$ 1,163.79
Original price
$ 1,163.79
$ 1,163.79
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$ 1,163.79
Current price
$ 1,163.79
Only 2 left!
G-Sport GESI Gen2 EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet - 5.000" Body x 12.000" Long - Mid-Bed Series (25031) G-SPORT EMISSIONS ...
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G-Sport Gen1 HO EPA Compliant Catalytic Converter Core - 4.000" Body x 4.000" Long (50002)
SKU GSP50002
Original price
$ 600.56
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Original price
$ 600.56
Original price
$ 600.56
$ 600.56
-
$ 600.56
Current price
$ 600.56
Only 3 left!
GESI G-Sport part number 25001 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen1 HO EPA Compliant Catalytic Co...
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G-Sport Gen1 UHO EPA Compliant Catalytic Converter Core - 4.500" Body x 4.000" Long (85002)
SKU GSP85002
Original price
$ 710.43
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Original price
$ 710.43
Original price
$ 710.43
$ 710.43
-
$ 710.43
Current price
$ 710.43
Only 3 left!
GESI G-Sport part number 85002 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen1 UHO EPA Compliant Catalytic C...
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G-Sport Gen2 EPA Compliant Catalytic Converter Core - 4.000" Body x 4.000" Long (50200)
SKU GSP50200
Original price
$ 600.56
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Original price
$ 600.56
Original price
$ 600.56
$ 600.56
-
$ 600.56
Current price
$ 600.56
Only 2 left!
GESI G-Sport part number 50200 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen2 EPA Compliant Catalytic Conve...
View full details
G-Sport Gen2 EPA Compliant Catalytic Converter Core - 4.500" Body x 4.000" Long (85200)
SKU GSP85200
Original price
$ 710.43
-
Original price
$ 710.43
Original price
$ 710.43
$ 710.43
-
$ 710.43
Current price
$ 710.43
Only 4 left!
GESI G-Sport part number 85200 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen2 EPA Compliant Catalytic Conve...
View full details
G-Sport Gen2 EPA Compliant Catalytic Converter Core - 5.000" Body x 4.000" Long (85500)
SKU GSP85500
Original price
$ 835.36
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Original price
$ 835.36
Original price
$ 835.36
$ 835.36
-
$ 835.36
Current price
$ 835.36
Only 5 left!
GESI G-Sport part number 85500 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen2 EPA Compliant Catalytic Conve...
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G-Sport Gen2 EPA Compliant Catalytic Converter Core - 6.000" Body x 4.000" Long (85600)
SKU GSP85600
Original price
$ 1,041.57
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Original price
$ 1,041.57
Original price
$ 1,041.57
$ 1,041.57
-
$ 1,041.57
Current price
$ 1,041.57
Only 2 left!
GESI G-Sport part number 85600 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen2 EPA Compliant Catalytic Conve...
View full details
G-Sport Transition Cone For 4.000" OD Body Catalytic Converters - 2.500" Inlet/Outlet (94025)
SKU GSP94025
Original price
$ 29.69
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Original price
$ 29.69
Original price
$ 29.69
$ 29.69
-
$ 29.69
Current price
$ 29.69
Only 12 left!
G-Sport Catalytic Converter Transition Cone for 4.000" Body Catalytic Cores (94025) GESI's universal line of G-Sport Catalytic Converter Transition...
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G-Sport Transition Cone For 4.000" OD Body Catalytic Converters - 3.000" Inlet/Outlet (94030)
SKU GSP94030
Original price
$ 26.69
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Original price
$ 26.69
Original price
$ 26.69
$ 26.69
-
$ 26.69
Current price
$ 26.69
Only 6 left!
G-Sport Catalytic Converter Transition Cone for 4.000" Body Catalytic Cores (94030) GESI's universal line of G-Sport Catalytic Converter Transition...
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G-Sport Transition Cone For 4.500" OD Body Catalytic Converters - 3.000" Inlet/Outlet (94530)
SKU GSP94530
Original price
$ 49.49
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Original price
$ 49.49
Original price
$ 49.49
$ 49.49
-
$ 49.49
Current price
$ 49.49
Only 12 left!
G-Sport Catalytic Converter Transition Cone for 4.500" Body Catalytic Cores (94530) GESI's universal line of G-Sport Catalytic Converter Transition...
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G-Sport Transition Cone For 5.000" OD Body Catalytic Converters - 3.000" Inlet/Outlet (95530)
SKU GSP95530
Original price
$ 49.49
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Original price
$ 49.49
Original price
$ 49.49
$ 49.49
-
$ 49.49
Current price
$ 49.49
25+ in stock
G-Sport Catalytic Converter Transition Cone for 5.000" Body Catalytic Cores (95530) GESI's universal line of G-Sport Catalytic Converter Transition...
View full detailsG-Sport Transition Cone For 6.000" OD Body Catalytic Converters - 3.000" Inlet/Outlet (96030)
SKU GSP96030
Original price
$ 67.82
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Original price
$ 67.82
Original price
$ 67.82
$ 67.82
-
$ 67.82
Current price
$ 67.82
Only 10 left!
G-Sport Catalytic Converter Transition Cone for 6.000" Body Catalytic Cores (96030) GESI's universal line of G-Sport Catalytic Converter Transition...
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G-Sport OBD2 Non-EPA Compliant Catalytic Converter 6 Pack - 2.500" Inlet/Outlet (610025)
SKU GSP610025
Original price
$ 1,097.00
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Original price
$ 1,097.00
Original price
$ 1,097.00
$ 1,097.00
-
$ 1,097.00
Current price
$ 1,097.00
In stock
NOTE: These Non-EPA G-Sport catalytic converters offer a lighter loaded catalyst and therefore will reduce all regulated emissions to a lesser degr...
View full detailsG-Sport OBD2 Non-EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (610030)
SKU GSP610030
Original price
$ 1,134.00
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Original price
$ 1,134.00
Original price
$ 1,134.00
$ 1,134.00
-
$ 1,134.00
Current price
$ 1,134.00
In stock
NOTE: These Non-EPA G-Sport catalytic converters offer a lighter loaded catalyst and therefore will reduce all regulated emissions to a lesser degr...
View full detailsG-Sport Gen1 HO EPA Compliant Catalytic Converter Core 6 Pack - 4.000" Body x 4.000" Long (650002)
SKU GSP650002
Original price
$ 3,425.00
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Original price
$ 3,425.00
Original price
$ 3,425.00
$ 3,425.00
-
$ 3,425.00
Current price
$ 3,425.00
In stock
GESI G-Sport part number 625001 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen1 HO EPA Compliant Catalytic C...
View full detailsG-Sport Gen1 UHO EPA Compliant Catalytic Converter Core 6 Pack - 4.500" Body x 4.000" Long (685002)
SKU GSP685002
Original price
$ 3,423.00
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Original price
$ 3,423.00
Original price
$ 3,423.00
$ 3,423.00
-
$ 3,423.00
Current price
$ 3,423.00
In stock
GESI G-Sport part number 85002 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen1 UHO EPA Compliant Catalytic C...
View full detailsG-Sport Gen1 HO EPA Compliant Catalytic Converter Core 6 Pack - 2.500" Inlet/Outlet (650022)
SKU GSP650022
Original price
$ 3,499.00
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Original price
$ 3,499.00
Original price
$ 3,499.00
$ 3,499.00
-
$ 3,499.00
Current price
$ 3,499.00
In stock
G-Sport Gen1 HO EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (50022) The GEN1 Advanced series of Catalytic Converters is reinforced with...
View full detailsG-Sport Gen1 HO EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (650032)
SKU GSP685032
Original price
$ 3,499.00
-
Original price
$ 3,499.00
Original price
$ 3,499.00
$ 3,499.00
-
$ 3,499.00
Current price
$ 3,499.00
In stock
G-Sport Gen1 HO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (50032) The GEN1 Advanced series of Catalytic Converters is reinforced with...
View full detailsG-Sport Gen1 UHO EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (685032)
SKU GSP685032
Original price
$ 3,836.00
-
Original price
$ 3,836.00
Original price
$ 3,836.00
$ 3,836.00
-
$ 3,836.00
Current price
$ 3,836.00
In stock
G-Sport Gen1 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (85032) The GEN1 Advanced series of Catalytic Converters is reinforced wit...
View full detailsG-Sport Gen2 EPA Compliant Catalytic Converter Core 6 Pack- 4.000" Body x 4.000" Long (650200)
SKU GSP650200
Original price
$ 3,425.00
-
Original price
$ 3,425.00
Original price
$ 3,425.00
$ 3,425.00
-
$ 3,425.00
Current price
$ 3,425.00
In stock
GESI G-Sport part number 50200 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-Sport Gen2 EPA Compliant Catalytic Conve...
View full detailsG-Sport Gen2 EPA Compliant Catalytic Converter Core 6 Pack - 4.500" Body x 4.000" Long (685200)
SKU GSP685200
Original price
$ 3,834.00
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Original price
$ 3,834.00
Original price
$ 3,834.00
$ 3,834.00
-
$ 3,834.00
Current price
$ 3,834.00
In stock
GESI G-Sport part number 85200 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR P...
View full detailsG-Sport Gen2 HO EPA Compliant Catalytic Converter 6 Pack- 2.500" Inlet/Outlet (650225)
SKU GSP650225
Original price
$ 3,499.00
-
Original price
$ 3,499.00
Original price
$ 3,499.00
$ 3,499.00
-
$ 3,499.00
Current price
$ 3,499.00
In stock
G-Sport Gen2 HO EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (50225) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical catal...
View full detailsG-Sport Gen2 HO EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (650230)
SKU GSP650230
Original price
$ 3,381.00
-
Original price
$ 3,381.00
Original price
$ 3,381.00
$ 3,381.00
-
$ 3,381.00
Current price
$ 3,381.00
In stock
G-Sport Gen2 HO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (50230) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical catal...
View full detailsG-Sport Gen2 UHO EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (685230)
SKU GSP685230
Original price
$ 3,958.00
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Original price
$ 3,958.00
Original price
$ 3,958.00
$ 3,958.00
-
$ 3,958.00
Current price
$ 3,958.00
In stock
G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (85230) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical cata...
View full detailsG-Sport Gen2 UHO EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (685230)
SKU GSP685230
Original price
$ 3,333.26
-
Original price
$ 3,333.26
Original price
$ 3,333.26
$ 3,333.26
-
$ 3,333.26
Current price
$ 3,333.26
In stock
G-Sport Gen2 UHO EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (685230) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typi...
View full detailsG-Sport Gen2 UHO EPA Compliant Catalytic Converter 6 Pack - 4.000" Inlet/Outlet (685240)
SKU GSP685240
Original price
$ 4,049.00
-
Original price
$ 4,049.00
Original price
$ 4,049.00
$ 4,049.00
-
$ 4,049.00
Current price
$ 4,049.00
In stock
G-Sport Gen2 UHO EPA Compliant Catalytic Converter - 4.000" Inlet/Outlet (85240) G-SPORT EMISSIONS SYSTEMS - DESIGNED FOR PERFORMANCE Typical cata...
View full details