Gibson MWA Muffler 3" Center Inlet 3" Offset Outlet 9" Diameter Body - 14" Long 200400107 Mandatory in FIA Karting Championships

Mandatory in FIA Karting Championships

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

EFI-2-Carb

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

No Grease Grooves or Holes in Race

Gibson MWA Muffler 3" Center Inlet 3" Offset Outlet 9" Diameter Body - 14" Long 200400107 Mandatory in FIA Karting ChampionshipsGibson 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