Flowmaster Pro Series Muffler - 4" Inlet, 4" Outlet - 8" D x 20" L Case - Aluminized R10002L 80 lb/in Spring Rate

80 lb/in Spring Rate

1984-1985 Jeep Scrambler

1993-2002 GMC Yukon

Projected Tip

Will not fit under stock hood of Corvette

Flowmaster Pro Series Muffler - 4" Inlet, 4" Outlet - 8" D x 20" L Case - Aluminized R10002L 80 lb/in Spring RateThe 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