
05-11-2009, 08:13 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
I put the Stainless Specialties in a SPF with a deeper not much louder exhaust. The power difference was however phenomenal. I am ordering the 3rd set of Classic Chambered mufflers tomorrow. We haven't heard any of them run yet but expect to soon.
Muffler replacement huge horsepower gains!
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