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03-02-2012
Hey guys! My cat recently got all messed up. I need to either replace it or remove it, so I've decided to look for a cat-less downpipe to replace my current dp.
If anyone could give me a few pointers on what I should buy, I would really appreciate it! Also, would I need to do any PCM reprogramming with just a CAI and Downpipe replacement?
Sorry for the amateur questions, but hopefully someone can help me out.
Thanks!
03-02-2012
ZZP sells pretty nice units. hogan performance is also an option.
you will need a PCM to delete/turn off the SES light that will be set from having no cat on the car.
03-03-2012
Well I've had my "check-engine" light on every since my cat messed up, so I'm kind of used to it now lol
03-05-2012
ZZPerformance - ZZP Downpipes #ZZ-GPDP
I assume the 3" Aluminized bolt-in offroad is what I'm looking for? I have a 04 GTP with stock exhaust.
03-05-2012
I have the 3" Alum bolt in offroad from zzp and I am very pleased with it great quality good fitment...I deff recommend! With stock mufflers and resonator delete has a good throaty toneOriginally Posted by VejGTP
03-05-2012
Does that pipe keep the rear o2 sensor?
03-05-2012
If you request the bung when you order yes...I am running rear o2 sensor
03-05-2012
This is also a great time to consider headers.
03-06-2012
Yes if you are willing to install headers pay for nice ones or deal with cheapers headers is deff a option since most all of them come with a dp...I think at least
03-06-2012
Headers are nice, but wouldn't I need to get a reprogrammed PCM with headers to get the full performance from them? Or does that become more important when doing things like smaller pulley?
I figured a downpipe would be an easier, less-hassle way to fix my cat problem. Since I wanted to get rid of it anyway.
05-22-2013
there is a place downtown here that will ceramic coat whatever, would I get any gains from ceramic coating the downpipe?
05-22-2013
No.
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