go catless and no res. works for me. no codes..
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Damn skippy mafacker!!Sure don't leak that is for sure and once you get the front header off, ratchet the motor forward, unplug the o2...unbolt it from the catback...unbolt it from the head and it all comes out on one piece, crossover, collector, rear header, downpipe...yup...AWESOME
Like-a ass-a![]()
OKay i have a question... Yes i heard that the GXP came from slp with a 3.5 pulley .. Did they have cowl hood to or something.. I seen a few that had them i didnt no if you could buy it like that..
My question when they put the 3.5 pulley on the car. did they change the plugs. I read they put a 180 tst
Last edited by 01gtprocket; 05-14-2009 at 01:08 PM.
If you don't have emmissions then loose the cat. If your going with headers then you won't have to worry about a down pipe more than likley.
I live in CT have Inspection Do I need to have the Cat Welded in
well no it doesn't sound like *&*^, i do still have stock muffs. i do think it would def. be louder or crappier w/headers. but since i'mfreakin stuck with a plog and p.rear, i don't have too worry about sounding bad, just being slow.
i'm back, yes i got a 3" dp and i welded in a 2.5" section from the dp to the y in the back of exhaust.....still i wish i'd got headers....within the end of this year i will.
Probably with the new O-Ring it was $9
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