Thread: Last post about spf sidepipes
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Old 04-15-2011, 04:22 PM
Pman1961 Pman1961 is offline
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Cobra Make, Engine: Superformance SP02423 KCR 445W 611hp 599ft lbs
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Performance Engineering uses a stainless perforated spiral baffle. I never even heard of an auger style muffler until Undy's post. Googled it and checked it out. That is some crazy looking muffler insert!
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