I have a catless exhaust. In the future, I was thinking of either getting a catted dp or having a race shop weld in a high-flow cat somewhere past the dp after cutting out an exhaust section. anyone know the pros/cons of each method?
005sti
Anywhere from the mid point of the car towards the engine is good. The cat activates off heat & therefore the closer to the motor the better. But w/our cars there are o2 sensors placed accordingly so be sure the cats are between them in a stock fashion. I'd say just get a catted DP & save the hassle. Cobb TBE? Mine's been great. Good luck.
farther from the engine is best for performance, and (usually) closer is better for emissions.
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