Quote:
Originally Posted by zebra
off-road pipes means no cats. long tube headers have the option to use cats or not. catback refers to everything behind where the cats are or would be
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ahhh..
yes I know what a catback is and LTs offering both cat and catless, but never understood the whole off road terminology as if it hints to not being street legal... and the thread title had me thrown off..
OP, only negative I noticed going catless was emission and a funky smell lol. I went w/ cats on my kooks headers. I can't imagine having cats will hurt performance until you throw a blower on it...
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2011 2SS/RS
Performance: 439 RWHP: 226/236 Comp Cam, Kooks 1-7/8, CAInc, Borla S type, Vmax TB, Rx Catch Can, Trans cooler, SLP 160 termo, Melling high volume, Eibach Springs/Sways 1" drop, Whiteline complete bushing kit.
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