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Old 06-27-2008   #1
JIMSTAINLESSWORKS
 
Join Date: Jun 2008
Location: OHIO
Posts: 14
Default Re: ALL NEW ZR1 HEADERS AND CATBACKS

ALWAYS LOOKING FOR PROJECTS AND BASKET CASES.

ANY UNLOVED VETTES OUT THERE? SHED QUEENS, RAGGEDY ANNES??? BEATERS WITH BLOWN MOTORS?

LOOKING FOR MY NEXT PROJECT. LIKE I NEED ANOTHER PROJECT!!!
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Old 07-03-2008   #2
USAFPILOT
 
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Join Date: Aug 2007
Location: Spring TX
Posts: 1,341
Default Re: ALL NEW ZR1 HEADERS AND CATBACKS

I'm interested in tilizing my stock exhaust, at least the tips. So, maybe the headers X Pipe and high flow cats mating up to the factory stuff somewhere? Have you ran any tests with a setup like this? I'm curious to what it will sound and perform like. I would like an increase in sound and HP while retaining the stock appearance from the street.
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Old 07-03-2008   #3
Aurora40
 
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Join Date: May 2005
Location: Leesburg, VA
Posts: 2,704
Default Re: ALL NEW ZR1 HEADERS AND CATBACKS

Quote:
Originally Posted by USAFPILOT
I would like an increase in sound and HP while retaining the stock appearance from the street.
FWIW, I have SW headers to cats to stock pipes with an LT4 resonator and Dynomax Ultraflows mated to stock tips.

On a Superflow dyno it went from 325 to 350whp with the exhaust, then 370 with the headers.

I think it sounds great, and not nearly as loud as many systems. Though it is not quiet and does have more resonance than stock.
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Old 07-03-2008   #4
USAFPILOT
 
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Default Re: ALL NEW ZR1 HEADERS AND CATBACKS

Quote:
Originally Posted by Aurora40
FWIW, I have SW headers to cats to stock pipes with an LT4 resonator and Dynomax Ultraflows mated to stock tips.

On a Superflow dyno it went from 325 to 350whp with the exhaust, then 370 with the headers.

I think it sounds great, and not nearly as loud as many systems. Though it is not quiet and does have more resonance than stock.
Is your engine stock?
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Old 07-03-2008   #5
Aurora40
 
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Default Re: ALL NEW ZR1 HEADERS AND CATBACKS

Quote:
Originally Posted by USAFPILOT
Is your engine stock?
The plenum and IH's are ported.
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Old 07-04-2008   #6
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
Default Re: ALL NEW ZR1 HEADERS AND CATBACKS

Are you considering xpipe/resonator combo?
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