Gibson MWA 3.0" Center/3.0" Dual Oval Muffler Stainless Spark Plug Wire Set Throttle Body Recommendations: Edelbrock #3869/#38693

Throttle Body Recommendations: Edelbrock #3869/#38693 or OEM drive-by-wire style

Factory fitted FHR posts

eliminating spillage

1983-1992 GMC G3500

Gibson MWA 3.0" Center/3.0" Dual Oval Muffler Stainless Spark Plug Wire Set Throttle Body Recommendations: Edelbrock #3869/#38693Gibson 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