View Poll Results: Which exhaust is the best?
Magnaflow - Affordable, well made, great sounding.



195
26.17%
Corsa - Most expensive, but it rips!



204
27.38%
Borla - Low melow tone, middle of the road pricing.



52
6.98%
GMPP - Lowest price, borla quality, GM backed.



294
39.46%
Voters: 745. You may not vote on this poll
The Official Exhaust Thread.
Yeah I think i cut off and weld a small piece but I was thinking that maybe i do something wrong or i don't know... can somebody tell my how long is the GMPP silencer?
Joined: 12-30-07
Posts: 14,079
Likes: 197
From: NEPA
Joined: 12-30-07
Posts: 14,079
Likes: 197
From: NEPA
The new looking resonator in your picture is the correct GMPP resonator. The giant resonator in your photo I'm assuming is a custom one you had installed at one time correct?
Whats the biggest resonator you think could fit where the stocker is?
Clicky
Its 4 1/2 x 6 x 14. Im not aware of anyone w/ a balt running one. I keep hearing it "may" have clearance issues, but nothing solid...
Clicky
Its 4 1/2 x 6 x 14. Im not aware of anyone w/ a balt running one. I keep hearing it "may" have clearance issues, but nothing solid...
Ok but why the gmpp doesn't fit the rest of the "channel" under the car????
Last edited by StreetTuning; Feb 28, 2011 at 04:16 PM.
Ok this has been driving me crazy!!!
First off I drive the NA 2.4 and i want to get new DP header and Cat because i just bought a 2.5" corsa catback.
I want to go along the lines of ZZP because of there good reviews and rep.
my problem is that the longtube header package is 3" and i am not sure if that is to wide for the NA engine.
I have also seen on there site that they have a 2.5 DP/Cat. but if i went with that i would have no idea what header to put on that because i honestly have no idea what size primaries ect. to go with.???
Please help me and keep in mind i have inspection coming up so i need to pass that!

First off I drive the NA 2.4 and i want to get new DP header and Cat because i just bought a 2.5" corsa catback.
I want to go along the lines of ZZP because of there good reviews and rep.
my problem is that the longtube header package is 3" and i am not sure if that is to wide for the NA engine.
I have also seen on there site that they have a 2.5 DP/Cat. but if i went with that i would have no idea what header to put on that because i honestly have no idea what size primaries ect. to go with.???
Please help me and keep in mind i have inspection coming up so i need to pass that!
haha yup, i got that one. i was gonna buy one off of here, for 200 shipped, with dented pipe, i called him, and didnt pick up, so i went with the one off of ebay.
Just got a 3" zzp dp with high flow cat and 3" zzp cat back. Going to be putting it on Monday good choice do you think? Also what do you think about the o2 sensors? An I going to need knew ones or is there something to clean them with?
Magnaflow or hahn on a sc 2.0 with a vibrant header and highflier cat. The only mod now is cold air intake will change our pulleys on sc or may go turbo not sure yet. What would give me the most bang for my buck? I'm looking for a deep tone nothing to loud.
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