LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Full exhaust = __Hp?

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Old

Dec 11, 2007 | 05:23 PM

#1

Kind

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Joined: Aug 2007

Posts: 27

Full exhaust = __Hp?

How much horsepower is typically gained from stock exhaust to some long tubes and a cat back?

Last edited by Kind; Dec 11, 2007 at 05:24 PM. Reason: extra word on end

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Old

Dec 11, 2007 | 06:45 PM

#2

speed_demon24

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Joined: Mar 2002

Posts: 3,245

From: Ocala, Florida

Running an LS1 ws6 catback I went from 276rwhp to 303rwhp by only adding headers and a mail order tune.

Last edited by speed_demon24; Dec 12, 2007 at 01:59 AM.

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Old

Dec 11, 2007 | 06:50 PM

#3

sn8ke eatr

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Joined: Feb 2007

Posts: 1,097

From: smithtown, NY

i think with just a full exhaust you can expect 15-20 but a tune really complements the headers so fork over the extra cash for a better tune.. it will pay off

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Old

Dec 11, 2007 | 07:07 PM

#4

96' Formula WS6

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Joined: Oct 2006

Posts: 377

From: Green Cove Springs FL

Thats about what I am hoping for when I get my headers in, but a tune w/ a CAI is really good bang for your buck.

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Old

Dec 11, 2007 | 07:23 PM

#5

rock1501

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Joined: Jan 2001

Posts: 838

From: ajax ontario canada

On a stock motor I would say 20 rwhp with the longtubes but you will get another 5-8 with a cutout

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