4" Exhaust Piping Kit – Level 1 for Above-the-Frame Dual Exhaust on Kenworth Class 8 Trucks with Cummins ISX Engines (CM870 / CM871).
This Level 1 4" exhaust piping kit connects from the 4" turbo outlet to the front of the Y-pipe in dual, above-the-frame, side-of-cab mounted exhaust systems on Kenworth trucks equipped with Cummins ISX engines.
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
Compatibility:
- Kenworth Class 8 trucks with Cummins ISX engines (CM870 or CM871 electronics)
- 4" turbo outlet diameter
- Dual above-the-frame, side-of-cab mounted exhaust systems
- Common models: W900, T800, T680 and similar
Important Notes:
- Part # 29918014 is compatible only with Cummins ISX CM870 or CM871 engines with 4" turbo outlet.
- Confirm exact fitment with your specific truck configuration by contacting Kustom Truck.
- Provide chassis VIN and engine serial number when verifying compatibility.
Key Specifications:
- 4" stainless steel piping components
- Includes turbo V-band clamp and 4"-5" expander
- Formed drop back elbow and ISX rear engine support bracket
- Optimizes exhaust flow and reduces back pressure
1 year
