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Does anyone know if the stock catalytic converters on the C5 Z06 have a different design or increased flow over the stock cats on the coupe? Would installing a Z06 H-pipe make any difference?
Does anyone know if the stock catalytic converters on the C5 Z06 have a different design or increased flow over the stock cats on the coupe? Would installing a Z06 H-pipe make any difference?
The 2002 Z06 cats were an improvement over the 2001 Z06 4 cat system. The 2002 and later Z06 uses only 2 cats. I'm not sure if the new design 2002 cats ever made it over to the non-Z06 models. If not or you have a pre 2002 car the 2002 and later Z06 cats will be a big improvement. -Bob