Gibson MWA Muffler 3" Center Inlet 3" Offset Outlet 9" Diameter Body - 14" Long R01J003XXXXXL these Race hydraulic flat lifters

these Race hydraulic flat lifters for Chevrolet Small and Big Block engines feature tighter tolerances

The SST 10

Machined steel single groove for GM Gen III/IV applications

Compressed operating thickness is

Gibson MWA Muffler 3" Center Inlet 3" Offset Outlet 9" Diameter Body - 14" Long R01J003XXXXXL these Race hydraulic flat liftersGibson MWA Muffler delivers Maximum Sound and the Best Muffler Flow PERIOD! This Straight thru design promotes exhaust gases to flow at the highest rates flowing only 3cfm less than a 3 in. straight pipe, improving power potential while keeping interior drone to a minimum. The MWA muffler has NO internal packing or weak baffles, allowing it to maintain a lightweight design with a unique and powerful sound. The MWA muffler is 100% Made in the USA and