XR-1? Collector Muffler 2.25" Inlet 4" Outlet 20.5"x6.75" Round - Racing Muffler -10 Heims optimized forward projecting Broad Spot

optimized forward projecting Broad Spot optics that combine the attributes of a spot and flood beam pattern

Increases Fuel Economy

Designed to be used only with the center-hung style float bowl

Travel: 11

GTIN: 00090127018972

XR-1? Collector Muffler 2.25" Inlet 4" Outlet 20.5"x6.75" Round - Racing Muffler -10 Heims optimized forward projecting Broad SpotThis is the HOT set up in drag racing. This patented, award and race winning product was designed to replace your current open header collector and serves as a power producing merge collector and muffler all in a single unit. Made with a patented, award and race winning multicore high flow design just like the standard XR 1? muffler for maximum power. This muffler is recommended for Dragsters, Altereds, and Roadsters. Accepted in NHRA, IHRA, Hot Rod