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Hey guys im purchasing stillen long tube headers and it says that they elimanate the cats. Being that i live in cal. will i still pass smog, or do i need to get high flow cats for these?
Any engine codes, or does keeping the stock cats in place solve that? Are you running lean, or is this just an issue when removing the cats?dawgs77 said:True being a new vehicle you have a little bit of time. However when you sell it....are you going to put the stock manifolds back on...or will someone want a vehicle that is not smog legal.
I personally have JBA short tube headers......stock cats are in place.....big ole CARB stamp on them.
I don't have cams and my truck has ran a 14.1 so they don't perform too bad wouldn't you say.