Thrush Thrush Turbo Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 14 x 4-1/4 x 9-3/4 in Oval - 18-1/2 in Long Trick Flow Works w/MSD Sprint Car Trigger

Works w/MSD Sprint Car Trigger Systems

Rocker stud: 3/8"

see 616444

Gel Ear Cups

oversized valve pockets for use with larger diameter valves and higher lift camshafts

Thrush Thrush Turbo Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 14 x 4-1/4 x 9-3/4 in Oval - 18-1/2 in Long Trick Flow Works w/MSD Sprint Car TriggerThrush Turbo Muffler 17713 Oval 4. 25 in. x 9. 75 in. 2. 25 in. ID 14 in. Shell Length 18. 5 in. Overall Length Side Center 100% Aluminized For Long Life Expandable Bushings For Custom Applications Time Proven Spun Locked Heads For Leak Free Seal Classic Turbo Muffler Design Mufflers Are Reversible For Maximum Flexibility Thrush products have been a staple of hot rodders for over 40 years as these perfomance mufflers bring together the power and sound