Cummins Downpipe for Peterbilt | TEXAS POWER
Available For: Cummins engines on Peterbilt 379 or 389 with a mechanical turbo
This Cummins exhaust downpipe kit for the Peterbilt 379 and 389 is bent to clear the frame rails and drops straight in—no fabrication, no fitment fight.
- Full 5" exhaust pipe for maximum flow
- Lowers EGTs
- No welding needed
- Plug-and-play kit
- Comes with pyro hole
- Bent to clear frame rails
Note: Designed for mechanical turbo applications. Confirm your turbo setup before ordering.
Have technical questions? Give us a call.
Texas Truck Market — 832-867-3345
Texas Truck Market — 832-867-3345
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