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how much hp for intake,headers,and exhaust?

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Old Sep 26, 2002 | 04:31 AM
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kjl1576's Avatar
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how much hp for intake,headers,and exhaust?

A riceboy(myself) is thinking bout getting a ls1.
How many hp would a intake,headers,exhaust give me?

Maybe later heads and cam and pulleys
Old Sep 26, 2002 | 03:54 PM
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Old Sep 26, 2002 | 03:56 PM
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Well, if you get a 01-02, an intake is a waste of money (it comes with the LS6 intake).
Otherwise, about 330-340 RWHP (above 380 crank) should be pretty close.
With heads/cam, etc later.... Well, depending on how wild you go, 400-450+ RWHP is realistic.
Old Sep 26, 2002 | 04:02 PM
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looks like you checked the post about 2 minutes too early.
Old Sep 26, 2002 | 08:01 PM
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Originally posted by Nathan1234
Well, if you get a 01-02, an intake is a waste of money (it comes with the LS6 intake).
Otherwise, about 330-340 RWHP (above 380 crank) should be pretty close.
With heads/cam, etc later.... Well, depending on how wild you go, 400-450+ RWHP is realistic.
Thats about right. Dont forget to include the more standard free mods... The free mods can be good for 8-10 rwhp if done correctly.

By intake I assume you meant a cold air intake (oversized shiny exhaust pipe attached to the throttle body, MAF, and filter) , not the intake manifold which many "riceboys" have no clue exists (not necc you). Go for a "lid" for the factory airbox. Always a good first mod.

Check them out at www.ls1motorsports.com or www.slponline.com or our site sponsors. They are all good sources for LS1/LT1 parts.
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