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930gt-40r 930gt-40r is offline
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Join Date: Jan 2007
Location: Boca Raton, FL
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Yes you can use the stock muffler with the b&b headers and should not lose a whole hell of a lot of spool or power. However, If you want to keep the performance optimal, I would not put the catalist back on (on a race car of course...) because this will create more lag and power loss. Get a cat-bypass pipe and use it with the stock muffler, that should quite her down a little and keep your current performance. You can also put the wastegate muffler back on, but why?
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86' 930/GT-40R Sold
94' Rustang GT daily (long gone)
2008 C6/Z51 Corvette
Old 01-29-2010, 07:53 PM
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