International 9900/i/ix DPF & Mufflers

BESTfit 7 Inch OD X 45 Inch VK Internal Muffler PipeElevate your vehicle's performance with our top-of-the-line Muffler, designed to deliver unparalleled sound control and airflow optimization. Featuring a generous 7-inch diameter and a 45-inch length,...

BESTfit 6 Inch OD X 45 Inch VK Internal Muffler PipeExperience unparalleled performance with our premium Muffler, meticulously crafted for exceptional sound control and optimized airflow. Boasting a 6-inch diameter and a 45-inch length, this aftermarket...

BESTfit 5 Inch OD X 45 Inch VK Internal Muffler PipeEnhance your vehicle's performance with our top-of-the-line Muffler, designed for superior sound reduction and optimal airflow. This aftermarket replacement part features a 5-inch diameter and a length...

BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...

BESTfit 5 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler * High Quality Internal Muffler* Aluminized Steel* 16 Gauge* Dimensions- 5 Inch Diameter- 18 Inch Length* Works Well With 36 Inch Stacks* Hardware Not Included* Sold Individually* Warranty On...

BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler * High Quality Internal Muffler* Aluminized Steel * 16 Gauge* Dimensions- 4 Inch Diameter- 18 Inch Length* Works Well With 36 Inch Stacks* Hardware Not Included* Sold Individually* Warranty...

BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler * High Quality Muffler* Aluminized Steel* Dimensions- 4 Inch Inside Diameter- 5 Inch Inside Diameter- 8 Inch Body Diameter- 15 Inch Body Length- 21 Inch Over All Length* Angle...

BESTfit Muffler 8 Inch Diameter * High Quality Muffler* Aluminized* Dimensions- 8 Inch Diameter- 5 Inch I.D. Inlet/Outlet- 24 Inch Length Body- 30 Inch Length Overall* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From...

BESTfit Oval Muffler Fits Kenworth T800, W900, International 9200, 9400 & 9900 * High Quality Oval Muffler* 5 Inch Inlet And Outlet* Sold Individually* Warranty On Oval Muffler Against Defects In Workmanship & Material From Date Of Purchase***High...

BESTfit Oval Muffler Fits International Fits International 9200, 9400 & 9900 * High Quality Muffler* Made Of Aluminized Steel * Size 10 Inch Tall X 15 Inch Wide X 44 Inch Body Length* Inlet - 5 Inch I.D.* Outlet - 6 Inch I.D.* 48 Inch Length Overall*...

BESTfit 51.5 Inch Performance Sport Muffler * High Quality Muffler* 51.5 Inch Wide Muffler Is 1 Inch Wider Than The Standard Performance Sport * Uses Acoustic Louver Sound Dampening* Up To 50 Additional Horsepower And Improved Response* Lower Exhaust Gas...