Vibrant SS Race Muffler 4in inlet/outlet x 5in long

Vibrant Performance stainless steel race mufflers are densely packed with our premium multi-layered sound absorption materials, TIG welded for optimum durability, and manufactured from 304 stainless steel for optimum durability and corrosion resistance. Vibrant Performance race mufflers are very lightweight, compact, and are designed to comply with muffler requirement rules at race tracks throughout North America. They are available in 5a*? & 9a*? overall lengths and inlet I.D. diameters ranging from 3a*? to 5a*?. Recommended Products: 1st Choice PN: 2613, 2nd Choice PN: 1493, 3rd Choice PN: 11898, 4th Choice PN: 1475S, 5th Choice PN: 1194A Densely packed with our premium multi-layer sound suppression materials that produce a very deep and distinctive exhaust note