
11-20-2008, 03:48 PM
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CC Member
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Join Date: Sep 2003
Location: WEST SUBURBS OF CHICAGO,
IL
Cobra Make, Engine: SPF 1454
Posts: 1,137
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Not Ranked
I replaced my stock spf mufflers with a 3.5" core racing muffler. I haven't been back to the dyno yet to see if there was an improvement.
I can tell you that if you just want to swap out the mufflers, you can buy them for about $60 a piece.
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CHRIS
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