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If someone (me) was to have a complete catback with muffler, adding a hiflow cat would make how much of a difference in performance/sound? BTW, my stock cat has it ripped open to 3" on the outlet to fit the 2.75" I-pipe. It's almost like a semi-hi flo cat to begin with. Opinions...
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Just because its 3 inch doesnt make it high flow. Have you ever looked inside a high flow cat and compared it to your stock cat? -
it may sound better or worse... in my case, worse. deeper at idle, but super-ricey at high rpms. maybe it will break in.\'02 firebird 5spd manual (pewter)<br />mods: whisper lid, spintech muffer with 3\" piping, strut tower brace, \"free ram air\", k&n filter, SLP CAI - next mods: jetchip stage II, lowering springsComment
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Hey guys. For starters I’ve always been a big car guy, I love all types of cars and can appreciate all types of engineering. I’ve always been a Chevy...1 day ago -
Getting a massage saying invalid interface, haven’t used it since last year probably November. First time in 23 years I had a problem. Going to get...4 days ago -
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need help finding a balancer and a replacement balancer bolt. im at a lost after confusing myself researching.1 week ago -
Hello every one, ozzy here ive been looking at this page for weeks now finally joined. So my question is why is it that every turbo build forum just ends...1 week ago
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