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We will be closed June 29th – July 5th. Order by 2:00 PM PT today to ship before the holiday. We reopen July 6th. Happy 4th of July! 🇺🇸
🇺🇸 Closed June 29 – July 5. Order by 2:00 PM PT today to ship before the holiday. Back July 6. Happy 4th!
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Mufflers, Resonators & Catalytic Converters

Ace Race Parts stocks and distributes a wide variety of mufflers, resonators, and high flow catalytic converters from brands like G-Sport, Vibrant Performance, and Ace Race Parts. Mufflers, muffler resonators, and catalytic converters are an essential part of an exhaust system and are offered in conjunction with the Ace Race... Read More
G-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12030) - Ace Race Parts

G-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12030)

SKU GSP12030
$ 240.58 - $ 240.58
$ 240.58
$ 240.58 - $ 240.58
$ 240.58
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 details
G-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12030) - Ace Race Parts

G-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12230)

SKU GSP12230
$ 544.07 - $ 544.07
$ 544.07
$ 544.07 - $ 544.07
$ 544.07
Only 2 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 details
G-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12030) - Ace Race Parts

G-Sport OBD2 Non-EPA Compliant Catalytic Converter - 2.500" Inlet/Outlet (10025)

SKU GSP10025
$ 192.50 - $ 192.50
$ 192.50
$ 192.50 - $ 192.50
$ 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 details
G-Sport OBD2 DOC (Diesel Oxidation Catalyst) Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (12030) - Ace Race Parts

G-Sport OBD2 Non-EPA Compliant Catalytic Converter - 3.000" Inlet/Outlet (10030)

SKU GSP10030
$ 199.01 - $ 199.01
$ 199.01
$ 199.01 - $ 199.01
$ 199.01
Only 6 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 details
G-Sport GESI Gen1 EPA Compliant Catalytic Converter Core 6 Pack - 4.000" Body x 4.000" Long - 300 CPSI (650002) - Ace Race Parts

G-Sport OBD2 Non-EPA Compliant Catalytic Converter 6 Pack - 2.500" Inlet/Outlet (610025)

SKU GSP610025
$ 925.00 - $ 925.00
$ 925.00
$ 925.00 - $ 925.00
$ 925.00
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 details
G-Sport GESI Gen1 EPA Compliant Catalytic Converter Core 6 Pack - 4.000" Body x 4.000" Long - 300 CPSI (650002) - Ace Race Parts

G-Sport OBD2 Non-EPA Compliant Catalytic Converter 6 Pack - 3.000" Inlet/Outlet (610030)

SKU GSP610030
$ 975.00 - $ 975.00
$ 975.00
$ 975.00 - $ 975.00
$ 975.00
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 details