Pontiac GTO 2004-2006 The Modern Goat

new exhaust system

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Old 07-26-2007, 07:56 PM
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hey i want to put a new exhaust system on my 06 GTO. I went on youtube to see what some sounded like and the 40 series flows sounded just like the stock system to me but the 10 series sounded great. spintech, loudmouth and magnaflow sounded the best to me but i wanted someone elses opinion. im only gonna do the mufflers for now im not gonna replace any of the headers or anything like that. so what do you think i should go with?
Old 07-26-2007, 08:17 PM
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Corsa!!!!!!!!!!!!!!!! I swear by them. Best flowing, and the best sounding (IMHO) there is.
Old 07-28-2007, 04:39 PM
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Spintech!!! Corsa is nice but $$$, Spintech is cheaper and IMO sounds better. Youtube GTO spintech and you will see.
Old 07-28-2007, 05:53 PM
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10 series flowmaster is what i run i love it.
Old 07-28-2007, 06:28 PM
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i love the exhaust depot one, that one is the best sounding in my opinion and its like $550
Old 07-28-2007, 07:57 PM
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I'm running Kooks LT, catless midpipes and a Corsa Touring catback, I think it sounds pretty good. Here is a link to the vid of it at idle and then running WOT down the track. The corsa touring on my car is quieter then the corsa sport would be

GTO exhaust

also in the exhaust section LS2gto.com is a sticky thread with nothing but audio/video clips of diffrent combinations of exhaust.
Old 07-28-2007, 09:19 PM
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I had spintech and loved it, i would consider corsa(touring)
Old 07-29-2007, 01:51 AM
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Gonna have to go with single chambers, but moroso spiral flows next best.

Last edited by BAADGOAT; 07-29-2007 at 03:44 AM.
Old 07-29-2007, 11:38 AM
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spintech ???....best sounding exhaust for a GTO IMHO...i have the side exit setup that sounds a little different, but overall i love the spintech with or without headers
Old 07-29-2007, 11:58 AM
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i have a custom exhaust, cats removed, resontors removed single chamber series 10 flomaster with turn downs, sounds awesome i get compliments all the time people run me down in parking lots to tell me how good it sounds, and that your car sounds fast, i've got about $120 in my whole setup after selling my cats so i think its well worth it
Old 08-01-2007, 07:24 AM
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If you want a cheap way to change the sound, change the Muff's, If you want to significantly improve flow AND change the sound in one move, get LT's and run the stock catback. Its the best sound I have come up with so far...
Old 08-01-2007, 01:30 PM
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Originally Posted by MVDCGTO
Spintech!!! Corsa is nice but $$$, Spintech is cheaper and IMO sounds better. Youtube GTO spintech and you will see.
Bought My Corsa Sport new for $550 shipped. Vendor on LS1GTO
Old 08-01-2007, 08:24 PM
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It's tough for anyone else to tell you what exhaust you'll prefer. You have to go by the sound that YOU like. Besides, sound a catback alone won't do much performance wise so just go with what you like best.
Old 08-04-2007, 09:10 PM
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LT's and Spintech is sex to the ears!
Old 08-04-2007, 11:06 PM
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got lt and corsa sport hmm and i still have a stock mid with a xpipe welded in place of the resonator with flowmaster 40s welded in place of the stock mufflers for sale for 225 if interested.




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