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Old 05-24-2005, 06:45 PM   #1
Don 79 TA
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Aftermarket Y pipe

just wondering if it's a worth while investment to get an aftermarket Y pipe
http://www.macperformance.com/store/...Product_ID=450
i plan on keeping the stock exhaust manifolds, but have a single 3" cat back with single flowmaster outlet

do the aftermarlet ones aid in flow that would warrant buying it?
i plan on taking the exhaust down to install some SFC's, so now might be a time to consider this.

i also have a test pipe to use as well
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Old 05-24-2005, 11:01 PM   #2
1989GTATransAm
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Yes to your questions. Flowmaster makes some good ones. Allen
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Old 05-25-2005, 07:09 PM   #3
five7kid
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What stock manifolds?
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Old 05-26-2005, 09:17 AM   #4
1FastZ
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what size are the flowmaster y-pipes????
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406..1.6 Roller Rockers...Victor Jr. Intake ..Holley 750 Double Pumper...S.F.I. Balancer and Flywheel...Ceramic coated Headers...Spohn Sub-Frame Connectors...Spohn Rear Control Arms...Jegs torque arm... Bradco custom race Converter...373 Posi...350 Turbo Transmission with Gear Venders over and under over drive unit...4inch Mufflex exhaust with SpinTech Muffler...18inch Chrome Iroc Wheels

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