
Kenworth W900B/W900L DPF & Mufflers
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BESTfit 10 X 49.5 Inch Type 1 Muffler W/ Lifting Ring W/ 5 Inch Inlet/Outlet Replaces M66-6188, M101451 For PACCAR
BESTFIT TRUCK PARTS
$699.99BESTfit Aluminized Steel Type 1 Muffler Fits Keworth & PeterbiltEnhance your vehicle's performance with our Aluminized Steel Muffler, proudly made in the USA. Featuring a sturdy construction, it measures 10 inches in diameter and 49.5 inches in length,...$699.99 -
BESTfit 5 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler
BESTFIT TRUCK PARTS
$69.76BESTfit 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...$69.76 -
BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler
BESTFIT TRUCK PARTS
$64.66BESTfit 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...$64.66 -
BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler
BESTFIT TRUCK PARTS
$131.99BESTfit 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...$131.99 -
BESTfit 8 X 30 Inch OAL Exhaust Muffler With 5 Inch I.D. Inlet & Outlet
BESTFIT TRUCK PARTS
$145.99BESTfit 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...$145.99 -
BESTfit Muffler Replaces M120834 For Newer Kenworth W900 AeroCab With 2 Catalytic Converters Exhaust Layout
BESTFIT TRUCK PARTS
$799.99BESTfit Muffler Fits Kenworth Aerocab With Dual Mufflers Under Truck * High Quality Muffler* Aluminized* Measurements- Body: 15 Inch- Length: 35 Inch- Overall: 39 Inch- Inlet Diameter: 5 Inch I.D.- Outlet Diameter: 5 Inch I.D.* Type 3 * In And Out Same...$799.99 -
BESTfit Oval Muffler Replaces MFM12-040-171 For Kenworth & International
BESTFIT TRUCK PARTS
$446.99BESTfit 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...$446.99 -
BESTfit High Flow Muffler, 5 Inch ID X 22 Inch Replaces 02-080204 For Kenworth T800, W900B, W900L Aerocab
BESTFIT TRUCK PARTS
$359.99BESTfit Type 3A Kenworth Aerocab High Performance Muffler * High Quality Muffler * 22 Inch Length* 5 Inch I.D. * High Flow* Low Back Pressure* Mount Bracket Will have To Be Modified Or Changed Has A Round Body Instead Of Oval* Replaces OEM Muffler* Made...$359.99 -
BESTfit 10 X 51.5 Inch Performance Muffler
BESTFIT TRUCK PARTS
$179.99BESTfit 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...$179.99