Thrush Thrush Turbo Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Offset Outlet - 14 x 4-1/4 x 9-3/4 in Oval - 18-1/2 in Long MGSR They also raise the upper

They also raise the upper manifold 1/2" for increased valve cover clearance

Three 1/2 in NPT Female Ports

Spark Plug Socket 5/8

GM 12-Bolt

125") thick and may also be used for a variety of other uses including fabricating brackets or mounts

Thrush Thrush Turbo Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Offset Outlet - 14 x 4-1/4 x 9-3/4 in Oval - 18-1/2 in Long MGSR They also raise the upperThrush Turbo Muffler 17714 Oval 4. 25 in. x 9. 75 in. 2. 25 in. ID 14 in. Shell Length 18. 5 in. Overall Length Side Side 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