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Bully Dog High Performance Stage 2 Turbocharger Fits Caterpillar 3406B/C/E/C15/C16Increase horsepower and decrease fuel costs of your class 8 vehicle with this high performance Stage 2 Turbocharger with a billet wheel by Bully Dog. This upgrade has a...

Exhaust Manifold Fits CaterpillarSave money on gas and improve the efficiency of your Caterpillar engine by upgrading to this premium heavy duty Bully Dog ceramic coated exhaust manifold. It is one of the fastest flowing in the industry and provides a...

Heavy Duty Gauge Tuner Fits CAT, Cummins And Detroit EnginesIf you are looking for an easy to install tuner that provides a broad selection of customized options, 4 State Trucks offers this quality Heavy Duty Gauge Tuner from Bully Dog. It incorporates...

Ceramic-Coated Exhaust Manifold Fits DetroitIf you are ready to upgrade an old stock manifold on a 1995-2003 Detroit Series 60 12.7L and 14.0L engine, 4 State Trucks has what you are looking for with this heavy duty Bully Dog ceramic coated exhaust...

Ceramic-Coated Exhaust Manifold Fits CaterpillarThis high quality ceramic coated exhaust fits CAT Engines has a 20-30 horsepower increase and is ported to eliminate any flow interference while increasing airflow. It cools exhaust by up to 100 degrees and...

Performance Turbochargers Fits CATThis aftermarket CAT High Performance Turbocharger fits most C16, C15, & 3406E applications. Equipped with charge air cooler, quick spooling, substantial efficiency, and performance improvement over an OE turbo. This...

Stainless Steel Auxiliary Power Unit CoverFind a superior replacement for your old APU covers at 4 State Trucks! This Thermo King Tripac Evolution API cover is made with top-grade 304 stainless steel and precisely measured to directly replace factory...

68 X 86 Inch Aluminum Cab Rack * High Quality Cab Rack* Includes - (2) Chain Hangers - Tray Between The Left/Right Coil Racks Hangers - (2) Lower Tarp Trays* Made Of Aluminum * 68 X 86 Inches* Diamond-Plated Finish* Back Has Timber Package* Sold...

Aluminum Cab Rack With Chain Hangers & Full Tray * High Quality Cab Rack* Made Of Aluminum* Diamond Plated Finish* 68 Inch Height * 86 Inch Width* Full Tray* 2 Chain Hangers* Full Tray* Made In USA* Sold Individually* Warranty On Cab Racks Against...

Sturdy-Lite Aluminum Mini Vault With 2 Chain Racks, 2 Chain Trays * High Quality Cab Rack* Made Of Aluminum* Diamond Plate* Cab Rack Dimensions: - 68 Inch Height - 80 Inch Width* Mini Vault Dimensions: - 16 Inch Depth - 24 Inch Width - 44 Inch Height*...

Deluxe Aluminum Cab Rack With 2 Lockable Chain Racks & Full TraySturdy-Lite cab racks are a trucker's dream. With 2 secure chain racks and a roomy full-size lower tray, you will have all the storage space you need. The racks are designed to keep your...

Valley Chrome American Eagle Blind Mount Bumper W/ Frenched-In License Plate & UST MountsThe Valley Chrome Plating replacement 22 Inch Blind Mount Bumper features an American Eagle Style with no exposed bolts. It is constructed using chrome-plated steel...