Upgrade your Kenworth truck’s exhaust system with the Kustom Truck 4” Exhaust Piping Kit, engineered to connect from the 4" turbo outlet to the front of the Y-pipe in dual, above-the-frame, side-of-cab mounted exhaust systems for heavy-duty Class 8 trucks equipped with Cummins ISX engines (CM870 or CM871 electronics). Crafted from high-quality stainless steel components, this Level 1 kit ensures durability, optimal exhaust flow, and reduced back pressure for enhanced engine efficiency. The kit includes a 4" turbo outlet elbow, stainless V-band clamp, formed drop back elbow, left-side Cummins ISX rear engine support bracket, 1' stainless flex tube, 4"-5" expander, seal clamps, and a stainless heat shield with clamp, designed for precise fitment and easy installation. Ideal for mechanics and fleet owners, this kit simplifies maintenance and boosts performance for Kenworth models like W900, T800, or T680. Note: Part number 29918014 is compatible only with Cummins ISX engines with CM870 or CM871 electronics and a 4" turbo outlet diameter; confirm fitment with Kustom Truck.
Level 1 Kit Includes:
- (1) 4" Turbo Outlet Elbow
- (1) Turbo V-Band Clamp – Stainless Steel
- (1) 4" Formed Drop Back Elbow
- (1) Left Side Cummins ISX Rear Engine Support Bracket
- (1) 4" x 1' Flex Tube – Stainless Steel
- (1) 4"-5" Expander
- (2) Exhaust Seal Clamps
- (1) Heat Shield – Stainless Steel
- (1) Heat Shield Clamp
Key Features:
- Designed for 4" turbo outlet on Cummins ISX (CM870/CM871) in Kenworth trucks
- Engineered for dual, above-the-frame, side-of-cab mounted exhaust systems
- High-quality stainless steel components for durability and corrosion resistance
- Includes 4"-5" expander for seamless Y-pipe connection
- Optimizes exhaust flow, reduces back pressure, and enhances engine efficiency
- Easy-to-install design with exact-fit components for hassle-free maintenance
- Compatible with Kenworth models (e.g., W900, T800, T680)
- Confirm fitment with Kustom Truck for your specific exhaust system
Upgrade your Kenworth’s exhaust system with Kustom Truck Parts’ precision-engineered piping kits, trusted for quality and performance.
