EXHAUST

BESTfit Exhaust Elbow * Made Of High Quality Chrome * 4 Inch* Sold Individually* Warranty On Elbow Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***

BESTfit Chrome-Plated Steel 45 Degree Exhaust Elbow W/ 5 Inch O.D. Inlet & 5 Inch O.D. Outlet * High Quality Exhaust Elbow* Made Of Chrome-Plated Steel* 5 Inch O.D. Inlet* 5 Inch O.D. Outlet* 8 Inch Leg Length* 45 Degree* Sold Individually* Warranty On...

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...

BESTfit 30 Inch Performance Shorty Muffler * High Quality Muffler* Dimensions - 30 Inch Length - 10 Inch Width - 5 Inch I.D.* Designed For Tight Spaces* Muffler Uses Acoustic Louver Sound Dampening* Up To 50 Additional Horsepower And Improved...

BESTfit Intermediate Pipe Plain Fits Peterbilt * High Quality Intermediate Plain Pipe* 5 x 18 Inch* Connects Driver Side Elbow To Exhaust Tee* Sold Individually* Warranty On Intermediate Plain Pipes Against Defects In Workmanship & Material From Date Of...

BESTfit 9 Inch Diameter Muffler With 5 Inch Inlet & Outlet * High Quality Muffler* 9 Inch Diameter* 5 Inch Inlet And Outlet* Sold Individually* Made In The USA* Warranty On Muffler Against Defects In Workmanship & Material From Date Of Purchase.***High...

BESTfit Kenworth Steel Exhaust Y-Pipe * High Quality Exhaust Pipe* Made Of Steel* 5 Inch Length* Sold Individually* Made In USA* Warranty On Exhaust Pipe Against Defects In Workmanship & Material From Date Of Purchase.***High Quality Aftermarket...

BESTfit 7 Inch Stack Muffler InsertLet 4 State Trucks help you reduce the high pitch, harsh tones that can be found in a diesel exhaust with this quality Exhaust Muffler Insert. Fit snugly into the base of a 7 inch O.D. stack, it can reduce exhaust noise...

BESTfit 6 Inch Stack Muffler InsertLet 4 State Trucks help you reduce the high pitch, harsh tones that can be found in a diesel exhaust with this quality Exhaust Muffler Insert. Fit snugly into the base of a 6 inch O.D. stack, it can reduce exhaust noise...

BESTfit 5 Inch Stack Muffler InsertLet 4 State Trucks help you reduce the high pitch, harsh tones that can be found in a diesel exhaust with this quality Exhaust Muffler Insert. Fit snugly into the base of a 5 inch O.D. stack, it can reduce exhaust noise...

BESTfit Exhaust Shield Smooth No Hole * High Quality Exhaust Shield* Made Of Stainless Steel* 7 Inch O.D. * 48 Inch Length* 180 Degree* Smooth, No Holes* Sold Individually* Made In USA* Warranty On Exhaust Shields Against Defects In Workmanship &...

BESTfit Steel Exhaust Y-PipeThis Exhaust y-pipe is made of aluminized steel, to increase resistance to rust and corrosion. It has a 5 inch ID and O.D. with a length of 30 inches and is 15 inches long. * High Quality Exhaust Pipe* Made Of Steel* 5 Inch...