Flowmaster Pro Series Muffler - 3" Inlet, 3" Outlet - 6" D x 16" L Case - Aluminized 11004 75 in Bolt Pattern

75 in Bolt Pattern

Specify by adding suffix "S"

Like the original Protect-A-Boots product

or spiking tachometer operation caused by points or noisy ignitions

best with 2000+ stall and gears

Flowmaster Pro Series Muffler - 3" Inlet, 3" Outlet - 6" D x 16" L Case - Aluminized 11004 75 in Bolt PatternThe Flowmaster PRO Series line of racing silencers will make you a believer. Developed with many of the top race engine builders and race teams around the country. The PRO series silencers feature a dramatic reduction of sound over open headers, without sacrificing your hard earned horsepower and torque. Race proven performance that will put you at the front of the pack. . quietly! The Pro Series mufflers work on all applications ranging from street