Skip to content

Catalytic Converters

Catalytic Converters are available from brands like G-Sport (by GESI) and MagnaFlow Performance and are available in configurations like core/substrate only and complete catalytic converters with transition cone end caps. All G-Sport catalytic converters are EPA compliant. NOTE: None of the Catalytic Converters listed on this site are CARB compliant and are... Read More

G-Sport GESI Gen1 EPA Compliant Catalytic Converter Core - 4.000" Body x 4.000" Long - 300 CPSI (50000)

SKU GSP50002
Original price $ 600.56 - Original price $ 600.56
Original price
$ 600.56
$ 600.56 - $ 600.56
Current price $ 600.56
Only 1 left!

GESI G-Sport part number 50000 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI Gen1 EPA Compliant Catalytic Converter Core - 4.500" Body x 4.000" Long - 300 CPSI (85000)

SKU GSP85002
Original price $ 710.43 - Original price $ 710.43
Original price
$ 710.43
$ 710.43 - $ 710.43
Current price $ 710.43
Only 1 left!

GESI G-Sport part number 85000 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI Gen2 EPA Compliant Catalytic Converter Core - 4.000" Body x 4.000" Long - 400 CPSI (50200)

SKU GSP50200
Original price $ 600.56 - Original price $ 600.56
Original price
$ 600.56
$ 600.56 - $ 600.56
Current price $ 600.56
Only 1 left!

GESI G-Sport part number 50200 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI Gen2 EPA Compliant Catalytic Converter Core - 4.500" Body x 4.000" Long - 400 CPSI (85200)

SKU GSP85200
Original price $ 710.43 - Original price $ 710.43
Original price
$ 710.43
$ 710.43 - $ 710.43
Current price $ 710.43
Only 1 left!

GESI G-Sport part number 85200 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI Gen2 EPA Compliant Catalytic Converter Core - 5.000" Body x 4.000" Long - 400 CPSI (85500)

SKU GSP85500
Original price $ 835.36 - Original price $ 835.36
Original price
$ 835.36
$ 835.36 - $ 835.36
Current price $ 835.36
In stock

GESI G-Sport part number 85500 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI Gen2 EPA Compliant Catalytic Converter Core - 5.000" Body x 7.000" Long - Mid-Bed Series (25001)

SKU GSP25001
Original price $ 1,092.66 - Original price $ 1,092.66
Original price
$ 1,092.66
$ 1,092.66 - $ 1,092.66
Current price $ 1,092.66
In stock

GESI G-Sport part number 25001 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI Gen2 EPA Compliant Catalytic Converter Core - 6.000" Body x 4.000" Long - 400 CPSI (85600)

SKU GSP85600
Original price $ 1,041.57 - Original price $ 1,041.57
Original price
$ 1,041.57
$ 1,041.57 - $ 1,041.57
Current price $ 1,041.57
In stock

GESI G-Sport part number 85600 is ONLY the Catalytic Core. G-Sport Transition Cones are sold separately. GESI's universal line of G-Sport Emissions...

View full details

G-Sport GESI HO 2.500" Inlet/Outlet Gen1 EPA Compliant Catalytic Converter 300 CPSI (50022)

SKU GSP50022
Original price $ 614.10 - Original price $ 614.10
Original price
$ 614.10
$ 614.10 - $ 614.10
Current price $ 614.10
Only 4 left!

GESI's universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. GESI's co...

View full details

G-Sport GESI HO 2.500" Inlet/Outlet Gen2 EPA Compliant Catalytic Converter 400 CPSI (50225)

SKU GSP50225
Original price $ 614.10 - Original price $ 614.10
Original price
$ 614.10
$ 614.10 - $ 614.10
Current price $ 614.10
Out of stock

GESI's universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. GESI's co...

View full details

G-Sport GESI HO 3.000" Inlet/Outlet Gen1 EPA Compliant Catalytic Converter 300 CPSI (50032)

SKU GSP50032
Original price $ 626.15 - Original price $ 626.15
Original price
$ 626.15
$ 626.15 - $ 626.15
Current price $ 626.15
Only 2 left!

GESI's universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. GESI's co...

View full details

G-Sport GESI Transition Cone For 4.000" OD Body Catalytic Converters - 2.500" Inlet/Outlet (94025)

SKU GSP94025
Original price $ 29.69 - Original price $ 29.69
Original price
$ 29.69
$ 29.69 - $ 29.69
Current price $ 29.69
In stock

GESI's universal line of G-Sport Catalytic Converter Transition Cones create a smooth transition between G-Sport Catalytic Cores. This specific Tra...

View full details

G-Sport GESI Transition Cone For 4.000" OD Body Catalytic Converters - 3.000" Inlet/Outlet (94030)

SKU GSP94030
Original price $ 26.69 - Original price $ 26.69
Original price
$ 26.69
$ 26.69 - $ 26.69
Current price $ 26.69
Out of stock

GESI's universal line of G-Sport Catalytic Converter Transition Cones create a smooth transition between G-Sport Catalytic Cores. This specific Tra...

View full details

G-Sport GESI Transition Cone For 4.500" OD Body Catalytic Converters - 3.000" Inlet/Outlet (94530)

SKU GSP94530
Original price $ 49.49 - Original price $ 49.49
Original price
$ 49.49
$ 49.49 - $ 49.49
Current price $ 49.49
Out of stock

GESI's universal line of G-Sport Catalytic Converter Transition Cones create a smooth transition between G-Sport Catalytic Cores. This specific Tra...

View full details

G-Sport GESI Transition Cone For 5.000" OD Body Catalytic Converters - 3.000" Inlet/Outlet (95530)

SKU GSP95530
Original price $ 49.49 - Original price $ 49.49
Original price
$ 49.49
$ 49.49 - $ 49.49
Current price $ 49.49
In stock

GESI's universal line of G-Sport Catalytic Converter Transition Cones create a smooth transition between G-Sport Catalytic Cores. This specific Tra...

View full details

G-Sport GESI UHO 3.000" Inlet/Outlet Gen1 EPA Compliant Catalytic Converter 300 CPSI (85030)

SKU GSP85032
Original price $ 733.01 - Original price $ 733.01
Original price
$ 733.01
$ 733.01 - $ 733.01
Current price $ 733.01
Only 1 left!

GESI's universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. GESI's co...

View full details

G-Sport GESI UHO 3.000" Inlet/Outlet Gen2 EPA Compliant Catalytic Converter 400 CPSI (85230)

SKU GSP85230
Original price $ 733.01 - Original price $ 733.01
Original price
$ 733.01
$ 733.01 - $ 733.01
Current price $ 733.01
Only 1 left!

GESI's universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. GESI's co...

View full details

G-Sport GESI UHO 4.000" Inlet/Outlet Gen2 EPA Compliant Catalytic Converter 400 CPSI (85240)

SKU GSP85240
Original price $ 749.57 - Original price $ 749.57
Original price
$ 749.57
$ 749.57 - $ 749.57
Current price $ 749.57
In stock

GESI's universal line of G-Sport Emissions Systems Catalytic Converters are designed to support the growing high performance aftermarket. GESI's 40...

View full details