So I was thinking, if the stock cats and headers help create boost with back pressure, would having extra HFCs (since they're already welded into the lead pipes and would cost some extra money to replace) generate more boost and power since there will be 2 sets of cats? I have no problem with getting new lead pipes and replacing them, I was just curious about this though.
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Works Emotion CR Ultimate - FI CBE w/ 18" resonators - Ecutek - eibach sways - Quaife - FI LTH w/race cats - kw v3 - spl - Topgunz SC - 488whp 398trq
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