1984 Mack R Series Mufflers
![Semi Truck Mufflers](https://ic.truckid.com/semi-truck/pages/mufflers/semi-truck-mufflers_collage_0.jpg)
Select Your Submodel
- Walker®Heavy Duty Steel Round Aluminized Exhaust MufflerMack RD400P / RD400S / RD600K / RD600P / RD600S /... with Single Exhaust 1984, Heavy Duty Steel Round Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 4". Muffler Configuration: Center - Center. With their extensive...Makes installation quick and easyAn economical replacement for OE components$99.55 - $154.98