Spiral Flow Racing Muffler; 3.5 in. Inlet/Outlet; 4 in. Dia. x Installed Length 12 in.;
- Reduced noise levels with minimal backpressure
- These mufflers offer a 5 - 7 db drop over open collectors and the mufflers flow 850 C.F.M
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.
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