Pontiac GTO 2004-2006 The Modern Goat

KOOKS Cat back for 05+ = A+++

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Old 04-28-2011, 06:28 PM
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Default KOOKS Cat back for 05+ = A+++

I just installed a Kooks cat back exhaust for a guy I know yesterday. I was totally unaware that kooks even made catback systems. Overall the fit was perfect with the OEM cats and bolted right up. The tips where about 1" bigger than stock and at a glance look stock and sounded very similar to a magnaflow system. Don't have any dyno numbers yet waiting to install a Variram intake but first impressions of the the Kooks system are on par with the Magnaflow systems I have seens & heard in the past.

just my 2cents for you guys.
Old 04-28-2011, 08:17 PM
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any pics?
Old 04-29-2011, 12:40 AM
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You'll gain about 5rwhp out of it lol. The vararam will be where most of the hp gains come from.
Old 05-11-2011, 05:05 PM
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it better fit and sound good, look at the price!
Old 05-12-2011, 08:07 PM
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Originally Posted by impulsegoat
You'll gain about 5rwhp out of it lol. The vararam will be where most of the hp gains come from.
5hp being generous lol
Old 07-05-2011, 05:20 PM
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Do they make a setup for the 04 goat? If so, can someone send me a link because I can't find it on their site if they do. I can't even find one for the 05/06 goat.
Old 07-05-2011, 08:27 PM
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a guy near me has a kit and I thought it sounded pretty good. I would say its a bit louder and deeper then the magnaflow.



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