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BESTfit 5 OD X 18 Inch Aluminized Internal Muffler / Baffle -16 Gauge
BESTfit Type 1 A 16 Gauge Aluminized Steel Internal MufflerThis high-performance internal muffler is designed for 36-inch straight stacks, fitting into the bottom for efficient operation on older mechanical pump engines. It is not compatible with newer... -
BESTfit Aluminized Exhaust Adapter Reducer 8 ID X 5 ID X 8 Inch
BESTfit 8 To 5 Inch Aluminized Steel Exhaust Reducer* High Quality Exhaust Expander / Reducer* Made Of Aluminized Steel* 8 Inch I.D. To 5 Inch I.D.* Sold Individually* Warranty On Exhaust Against Defects In Workmanship & Material From Date Of Purchase***... -
BESTfit 6 OD X 45 Inch VK Internal Muffler Pipe
BESTfit 6 Inch OD X 45 Inch VK Internal Muffler PipeIntroducing the BESTfit 6 Inch OD X 45 Inch VK Internal Muffler Pipe, the ultimate upgrade for your truck's exhaust system. Constructed from high-quality materials in the USA, this muffler is built to... -
BESTfit 5 OD X 45 Inch VK Internal Muffler Pipe
BESTfit 5 Inch OD X 45 Inch VK Internal Muffler PipeElevate your truck's exhaust system with the BESTfit 5 Inch OD X 45 Inch VK Internal Muffler Pipe, an upgrade designed for superior performance and durability. This high-quality, USA-made muffler is... -
BESTfit 10 Inch Diameter High Flow Muffler Type 1 51 Inch OAL
10 Inch Diameter Replacement MufflerThis high flow replacement muffler works with all engines and is designed to replace 10-inch diameter stock mufflers. It runs as quietly as your stock muffler while driving and accelerating. Some studies suggest you... -
BESTfit Chrome Exhaust Adapter Reducer 7 ID X 5 OD X 8 Inch
BESTfit Chrome-Plated Steel 7 Inch I.D. To 5 Inch O.D. Exhaust Reducer Adapter* High Quality Exhaust Reducer* Made of Chrome-Plated Steel* 8 Inch Length* 7 Inch I.D.* 5 Inch O.D.* Sold Individually* Warranty On Exhaust Reducers Against Defects In... -
BESTfit 8 Inch Diameter Powerflow Muffler Type 1 4 ID / ID X 21 Inch OAL
BESTfit 4 Inch In/Out X 8 X 21 Inch Aluminized Steel Type 1 MufflerDiscover the superior performance of the BESTfit 4 Inch In/Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler, designed for those who demand durability in their exhaust. Made from... -
BESTfit 8 Inch Diameter Muffler Type 1 4 ID / 5 ID X 21 Inch OAL
BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 MufflerBoost your truck's exhaust performance with the BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler from 4 State Trucks. Constructed from durable... -
BESTfit 8 ID X 8 Inch Coupler
BESTfit 8 Inch I.D. X 8 Inch Length CouplerFor projects requiring precise and reliable connections, the BESTfit 8 Inch I.D. X 8 Inch Length Coupler is a top aftermarket replacement choice. With its 8-inch internal diameter and length, this high-quality... -
Chrome Exhaust Reducer 8 ID X 5 OD X 8 Inch
8 Inch ID To 5 Inch OD Chrome Exhaust Reducer* High Quality Exhaust Reducer* Chrome-Plated * 8 Inch ID Going To 5 Inch OD* Sold Individually* Warranty On Exhaust Reducers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality... -
BESTfit Chrome Exhaust Reducer 6 ID X 5 OD X 8 Inch
BESTfit Exhaust Expander* High Quality Exhaust Expander* Made Of Chrome-Plated Steel* 5 Inch O.D. To 6 Inch I.D.* Sold Individually* Warranty On Exhaust Expander Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket... -
BESTfit Aluminized Exhaust Reducer 7 ID X 5 OD X 8 Inch
8 Inch Exhaust 7 Inch ID To 5 Inch OD Reducer Adapter* High Quality Exhaust Reducer* Aluminized* 7 ID- 5 OD X 8 Inch* Sold Individually* Warranty On Exhaust Reducers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
Aftermarket Collision Parts for Heavy Duty Trucks