EXHAUST

BESTfit Elbow At Muffler Inlet Fits Kenworth W/ Single Muffler Replaces OE # K180-17386-24At 4 State Trucks, we offer this sturdy elbow pipe for the muffler inlet that fits Kenworth models with a single under the truck muffler. It is made in the USA and...

BESTfit 18 Inch Heat Sleeve For 3 to 5 Inch Diameter Exhaust Pipes * High Quality Sleeve* Material Stretches To Hug 3 Inch To 5 Inch * 2 Ply Construction Woven From Fiberglass And Basalt* Reduces Radiant Exhaust Heat Temperatures By 50%* 18 Inch* Sold...

BESTfit 5 Inch O.D. Steel Exhaust Pipe, Replaces OE K180-15350-1 * High Quality Exhaust Pipe* Made Of Steel* 5 Inch O.D. * Sold Individually * Warranty On Exhaust Pipes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

BESTfit Exhaust Elbow * High Quality Exhaust Elbow* 12 X 12 Inches Long* 90 Degree Angle* 4 Inch Diameter* Sold Individually* Warranty On Elbow Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...

BESTfit Raincap * High Quality Raincap* 8 Inch* For Flat Top Stack* Sold Individually* Warranty On Raincap Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***

BESTfit Kenworth Galvanized Steel Exhaust Elbow At 4 State Trucks, we offer this quality 5-inch exhaust elbow that fits below the BOM elbow. It is made of plain galvanized steel and replaces OE part number K180-14765. The pipe is made in the USA and is...

BESTfit Intermediate Pipe Plain Fits Western Star Heritage * High Quality Aluminized Exhaust Pipe* 5 Inch O.D. Inlet* 5 Inch O.D. Outlet * Single 32-Degree Bend* Fits Between Turbo Down Pipe And Exhaust Tee* Sold Individually* Warranty On Intermediate...

BESTfit Lower Elbow Below Turbo Frame Pipe * High Quality Elbow Pipe* Made Of Galvanized Steel* 5 Inch Inside Diameter Measures 12 Inches Centerline to End* 5 Inch Outside Diameter End Measures 11 Inches Centerline to End* Sold Individually* Made In USA*...

BESTfit Short Galvanized Muffler W/ 5 Inch ID Inlet & Outlet * High Quality Muffler* Made Of Galvanized Steel* 9 Inch Diameter Body* 12 Inch Body Length* Inlet 5 Inch Inside Diameter* Outlet 5 Inch Inside Diameter* Sold Individually* Warranty On Muffler...

BESTfit Kenworth Steel 90 Degree Exhaust Pipe Elbow * High Quality Exhaust Pipe* Made Of Steel* For Use With Trucks With 1 Horizontal Muffler* 90 Degree Angle* Sold Individually* Made In USA* Warranty On Exhaust Pipe Against Defects In Workmanship &...

BESTfit Kenworth Steel 90 Degree Elbow At Muffler Inlet * High Quality Elbow* Made Of Steel* Sold Individually* Made In USA* Warranty On Muffler Elbow Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement...

BESTfit Aluminized Steel Mounting Bracket For 9 Inch Diameter Muffler * High Quality Exhaust Bracket* Made Of Aluminized Steel* Muffler Mounting Clamp With 2 Bolt Bracket* Mounting Holes Measure 5 Inch Center To Center* Fits Around A 9 Inch Diameter...