Thread: GMMG ?
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Old 02-07-2010, 04:20 PM   #1
barney1golf
 
Drives: 1997 Camaro Z28 (sold)
Join Date: Jan 2010
Location: Indiana
Posts: 41
GMMG ?
Does anyone have or heard a GMMG exhaust on an LT1 with stock manifold and cats? Wondering if it is loud inside the car. Thanks for input
Barney
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