Quote:
Originally Posted by gordon@
Running stock cats on a supercharged S65 is pretty bad... You lose a lot of power, which pretty much defeats the purpose of getting a Supercharger. If anything, use high flow cats!
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I'm assuming you lose 25-30HP by running stock cats. I really like my exhaust and it can't be ran with HFC's (I tried and it's unbearable). Not to mention I have emissions testing every year so swapping them out would be a pain. The car is insanely faster than when I was stock =).