Catalyst Formulation

WHICH GRADE IS RIGHT FOR YOU?
We have created seven different grades of precious metal loadings to assure the right Catalytic Converter for every job. As you look through our catalogs you will find hundreds of different part numbers that are all available in the grade of your need, so that the correct converter is installed every time.

STANDARD OBD II (OBDII)
Most passenger vehicles up to 2001. Designed with almost twice the precious metal loading of the competitors, keeping the check engine light off on most cars.

XL LOAD (XL)
Most passenger vehicles from 2001 – 2004. Designed with twice the amount of rhodium and other precious metals and is compatible with cars that have more complex OBD II systems.

GM STANDARD (GM)
GM vehicles including SUVs from 2001 and up that contain complex OBD II systems. Designed specifically to be compatible with GM applications.

ULTRA LOAD (UL)
Most passenger vehicles from 1996 and ip that contain complex OBD II systems; Mercedes, BMW, etc.

FOREIGN STANDARD (FR)
Foreign vehicles including SUVs from 2001 and ip that contain complex OBD II systems.

CARB STANDARD (CARB)
Passenger vehicles form 2001 and up that require California Emission Regulation systems. These Catalytic Converters are not for use in California.