Borla exhaust HP gain???

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01-19-2008, 12:04 AM

juanjuan07

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Borla exhaust HP gain???

I have 2001 firebird ws6 A4
mods: 212/218 cam, slp maf, slp cold air intake, lt headers, 2.5'' Y pipe with cats.
How much rwhp can i expect from the Borla exhaust system????

Last edited by juanjuan07; 01-19-2008 at 06:01 PM.

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01-23-2008, 03:56 PM

mike c.

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about 10-12hp on a standard exhaust. If you have a ws6 you will gain less because the car comes with a higher flowing catback. Stay away from the b&b try flow catback sounds nice,but sucks for power.

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01-24-2008, 08:32 AM

98camaroLS1M6

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It could be anywhere from 3rwhp to 20rwhp depending on what catback you have now. Assuming you have the stock ws6, I'd say 5-10rwhp.

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01-24-2008, 05:54 PM

theslow00

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i would say 8-12rwhp

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02-13-2008, 04:41 PM

HeavyWeight

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I have a Borla XR-1 Race Muffler and its in place of the stock muffler and just dumped, and my car dynoed the same with the muffler as it did with a cutout

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