Quote:
Originally Posted by bmw13
I am completely stock and was thinking of doing one of four options: I want to modify only if I gain power or do not lose power, what is the best route to go and why?
1) akraprovic down pipe
2) akraprovic downpipe and 2ndary cat delete
3) 2ndary cat delete
Or
4) just don\'t touch it, what BMW did stock is the best for a stock car
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Guess you have some seriously deep pockets
