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10-28-2012, 10:59 PM | #51 |
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Join Date: Oct 2012
Location: Lewiston Idaho
Posts: 51
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Re: Magnaflow VS Flowmaster?
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10-28-2012, 11:20 PM | #52 | |
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Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: Magnaflow VS Flowmaster?
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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10-29-2012, 01:06 AM | #53 |
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Join Date: Oct 2012
Location: Live Oak Florida
Posts: 1
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Re: Magnaflow VS Flowmaster?
I had a 94 GMC sierra grand. Nice truck bought it at an auction, Nice looking truck, upon examining the engine I found the (What I call the X-Code) on the front of the engine. Upon running the serial # it was out of a 1974 stingray, pushing 400 HP. The engine had been rebuilt and several hp parts added including headers by hedman and Flowmasters 40's. Nice rumble sound not too loud I loved that truck. The EX apparently loved it more. She wanted it in the divorce.
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