Quote:
Originally Posted by wideglideleon
I am running air to air SC, with art pipes and FI FULL cat back CF with 18 in resonators. I switched from berk HFC to the art pipes SC wasted the cats. I love the deeper tone. Not too loud but very aggressive.
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I've got the same set up as you except I've got 100 cell mil-spec cats welded into my fi lead pipes. After the installation of the art pipes and cats, the car is quite a bit quieter compared to test pipes and no cats.