mac headers

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Mar 31, 2008 | 11:44 AM

snareman

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Joined: Nov 2006

Posts: 227

mac headers

wondering how much rwh gain will I make installing macs on my 93z.these would replace stock manifolds. no cat to hooker muffler and ss tips? lmk what you think.thanks

Mar 31, 2008 | 11:50 AM

ss.slp.ls1

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Joined: Oct 2007

Posts: 912

From: Orange County, CA

LTs? Mids?

Mar 31, 2008 | 11:56 AM

snareman

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Posts: 227

macs

macs are advertised as midlength headers. they will hook up to everything I have now.

Mar 31, 2008 | 12:00 PM

2000GTP

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Joined: Mar 2005

Posts: 12,312

From: Aurora, IL

I would guess gains around 15-20rwhp with the headers.

Mar 31, 2008 | 01:27 PM

stereomandan

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Joined: Jun 2003

Posts: 3,620

From: Saginaw, Michigan

I gained 30-35 rwhp when I went from stock exhaust to MAC headers, high flow cat and hooker catback. TQ also went up the same amount.

Dan

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