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Shorty headers for stock exhaust system

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Old Mar 24, 2012 | 07:36 PM
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spanks906's Avatar
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Shorty headers for stock exhaust system

I've got a 1989 Trans am that I would like to put headers on. It's got a fresh manifold back that uses the stock flanges and collector size. What are the best shortys to put on it.
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Old Mar 25, 2012 | 02:01 PM
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From: San Antonio TX
Car: 1990 G92 IROC Z Miniram
Engine: 388cu 6.4 Liters
Transmission: G-Force T5
Axle/Gears: 3.73 Gears
Re: Shorty headers for stock exhaust system

Originally Posted by spanks906
I've got a 1989 Trans am that I would like to put headers on. It's got a fresh manifold back that uses the stock flanges and collector size. What are the best shortys to put on it.
No one makes headers that will fit the stock exhaust system. BUT you'd be way better off with these. They are Dyno Dons. PM him.
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Old Mar 25, 2012 | 03:48 PM
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Re: Shorty headers for stock exhaust system

What other modifications do I have to do? I've got a single cat system. What's the cost? Performance gains?
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