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Mar 14, 2004 | 02:00 PM

eastrider125

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Joined: Oct 2002

Posts: 23

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From: Connecticut

exhuast

i have a 1990 GTU and am doing intake, and full exahust- headers back. What should i lookf or in terms of HP and performance gains? thanks.

Mar 14, 2004 | 02:05 PM

trainwreck517

Rx-hippie

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Joined: Sep 2003

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From: Torrance CA

I think mazdatrix/racing beats true duals is a 28% gain over stock.

Mar 14, 2004 | 04:21 PM

MAX-IMAL

Respect Brotha!

Joined: Aug 2001

Posts: 384

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From: Laredo, Tx

Or get the racing beat header collected + presilencer

Mar 14, 2004 | 04:58 PM

TKE

Full Member

Joined: Apr 2002

Posts: 119

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From: New York

Racing Beat recomends that their headers shouldnt be used on a fuel injected car. Why is that?

Mar 14, 2004 | 07:45 PM

91mazdarx7

Rotary Freak

Joined: Mar 2004

Posts: 1,575

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From: pennsylvania

can anyone tell me what the difference is between turbo and non turbo rx7 exhausts are is it just the headers

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