Thrush Thrush Welded Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 13 x 4 x 9-1/2 x 6 in Oval Body - 19 in Long 4122MEDRD Fits small block Chevy with

Fits small block Chevy with 5/16" pushrods

-10 AN side water outlet ports

1973-1975 Pontiac LeMans

Genuine high strength rust-proof composite endcaps

Thrush Thrush Welded Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 13 x 4 x 9-1/2 x 6 in Oval Body - 19 in Long 4122MEDRD Fits small block Chevy withThrush Welded Muffler 17655 Oval 4 in. x 9 1 2 in. 2. 25 in. Center ID Side OD 13 in. Shell Length 19 in. Overall Length 304 Stainless Steel Fully Welded For Extended Durability And Wear Two Chamber Design For Improved Flow Has Deep Aggressive Tone Quality Built And Competitively Priced Thrush products have been a staple of hot rodders for over 40 years as these perfomance mufflers bring together the power and sound favored by true enthusiasts.