Quote:
Originally Posted by f30luxline
There are catted DP's but why? I never understood the development of high flow cats. I don't see a performance improvement being significant enough to justify. I agree with the points stated by bahasad.
I've heard Co2 spacers work for not causing any codes. I assume the aFe doesn't delete codes? This is why I chose the combo of catless ER DP and JB4. No codes or emissions issues.
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Performance increases more than enough to justify. Plus you stay legal with no risk of losing your car if you hit an EPA checkpoint. Cats are there for a reason. Removing them is a halfassed way of modding.