Schoenfeld Muffler 12" - 4" Diameter BR40092 these are the ultimate for

these are the ultimate for NMRA Renegade or Hot Street classes

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Schoenfeld Muffler 12" - 4" Diameter BR40092 these are the ultimate forSchoenfeld mufflers provide economical sound reduction. Check with local sanctioning body to ensure what sound requirements must be met. May not be legal for some sanctioning bodies race tracks. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including