Pontiac GTO 2004-2006 The Modern Goat

Corsa or magnaflow 3" comp series

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Old 04-26-2017, 04:57 AM
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Default Corsa or magnaflow 3" comp series

Hey guys I was wondering what you think i should get,corsa sport or magnaflow 3" comp series..current set up on my 06: zL402 block with forged internals,texas speed 228r cam,799 heads,professional products ported polished 96mm intake,kooks long tube headers with catted mids,spintec exhaust with x pipe,Ati procharger,2400 stall,60lbs injecters,3:91 gears,driveshaft shop single peice aluminum drive shaft,stage 5 trans,pedders rear suspension..was wondering what you guys think would be a better exaust for the car?
Old 06-15-2017, 01:33 PM
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Corsa. The mag starts off at 2.5" iirc. It then goes to 3"
Old 07-11-2017, 06:29 AM
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The Magnaflow section that is 2.5" is like an inch long....

If you're over the 550 rwhp mark, I'd go 3". Here is a pic of my magnaflow x pipe that I removed. Just went a different route in the middle of the car and used the ARH x pipe off of 2" headers.

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Old 07-14-2017, 06:36 PM
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Originally Posted by 2QWK4RU 06 GOAT
Corsa. The mag starts off at 2.5" iirc. It then goes to 3"
? Does corsa make a 3 inch? As far as the op make sure you listen to some sound clips as they are fairly different
Old 07-16-2017, 02:23 PM
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Originally Posted by Bandits96ss
? Does corsa make a 3 inch? As far as the op make sure you listen to some sound clips as they are fairly different
No 3" with them. I was told by them it wasn't needed even at the 1000hp mark because of their muffler design. I laughed at them and went another route. BORLA makes a nice kit and it fits right. I one had a kooks 3" kit, but it fit terrible and the bends weren't given much thought so I dumped it.



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