How much hp will exhaust add??

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03-25-2006, 02:18 PM

frontrowjoe

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Join Date: Mar 2006

Posts: 1

How much hp will exhaust add??

I recently put a a slp loudmouth exhuast on to my stock 2003 gt i was wondering if anyone could help me out by telling me what kind of horse power the new exhaust would have added

03-25-2006, 02:28 PM

Shawn02GT

4th Gear Member

Join Date: Nov 2004

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Posts: 1,232

RE: How much hp will exhaust add??

like 2-3, its just mostly for sound

03-25-2006, 02:28 PM

JD1969

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Join Date: May 2004

Location: IL

Posts: 9,644

RE: How much hp will exhaust add??

Just a cat back? Maybe 5 hp on an other wise stock car. If you already have a cat back it will not give you more hp.

03-25-2006, 02:29 PM

SOHCtimes2

5th Gear Member

Join Date: Jan 2006

Location: Orange County, California

Posts: 2,375

RE: How much hp will exhaust add??

Quote:

ORIGINAL: JD1969

Just a cat back? Maybe 5 hp

+1

But it does help to open things up in preperation for other mods...like headers, midpipe, induction mods...etc

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