Gibson MWA Muffler 3" Center Inlet 3" Offset Outlet 9" Diameter Body - 14" Long 200400107 31" Extended - GM A-Body

31" Extended - GM A-Body 1973-83 24-313636 at low everyday prices

The Stage has comfortable ergonomic shoulder straps and padded back

531 qt Capacity

Utilizes proprietary anti-wear and friction reducing additives to fight valve train wear and increase horsepower

Mandatory in FIA Karting Championships

Gibson MWA Muffler 3" Center Inlet 3" Offset Outlet 9" Diameter Body - 14" Long 200400107 31" Extended - GM A-BodyGibson 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