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Old 08-06-2017, 09:31 PM   #4
madness410
 
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Join Date: Mar 2008
Location: Somerset, NJ
Posts: 4,223
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texas speed says their y pipe is stainless steel as well. their cats say "high flow bullet cats" are are not designed to pass emissions. i have no idea what that means but maybe that could be the difference.
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1999 Trans am WS6
1996 Corvette LT4 6 speed
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