3" Full exhaust? - Pontiac GTO Forum
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post #1 of 3 (permalink) Old 07-26-2010, 11:25 PM Thread Starter
 
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3" Full exhaust?

First off, I just got a 2005 GTO (LS2 M6) and I'm about to jump on full exhaust with an ORH. I'm kinda on a budget and I have seen alot of Pacesetter installs and feel fairly confident in purchasing them, but I don't want a cat back that reduces to 2.5" since the LTs have 3" collectors. Basically, my question is, who makes a cat-back that is ALL 3" and isn't too expensive? Also, loudness is a plus.

Andrew
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post #2 of 3 (permalink) Old 07-26-2010, 11:44 PM
 
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Quote:
Originally Posted by YouTookMyWaffle View Post
First off, I just got a 2005 GTO (LS2 M6) and I'm about to jump on full exhaust with an ORH. I'm kinda on a budget and I have seen alot of Pacesetter installs and feel fairly confident in purchasing them, but I don't want a cat back that reduces to 2.5" since the LTs have 3" collectors. Basically, my question is, who makes a cat-back that is ALL 3" and isn't too expensive? Also, loudness is a plus.

Andrew
Isnt gonna run right wont have enough back pressure. A friend of mine did 3 inch on his camaro it was loud and sounded nice but lost power a little backpressure is actually needed.

2006 GTO Edelbrock shorty headers, x pipe, muffler deletes, K&N airbox, diablosport 91 octane tune, billet short throw shifter.

1.90 60ft, 8.46 1/8, [email protected] 1/4
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post #3 of 3 (permalink) Old 07-27-2010, 08:57 AM
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Unless you have a huge CID engine, supercharged or turbo, 3" exhaust is unneeded. If you are on a budget then this is perfect, run what you have or do a muffler/resonator delete to get the noise level to were you want it.
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  Pontiac GTO Forum > The 2004-2006 GTO > Intake and Exhaust Discussions

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