2019-2024 Cummins 6.7L 4" Cat & DPF/SCR Race Pipe No Muffler (411030 / 412030) 20132019 2024 Cummins 6. 7L 4" Cat & DPF SCR Race Pipe No Muffler (411030 412030) Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear!
Remanufactured injectors at 100 percent over
dampening pins and check plates
These PPE up-pipes are designed and manufactured as replacement up-pipes for PPE High Flow up-pipe kits
enhanced reliability and increased strength are the main attributes of ARP's Pro Series flywheel bolts
This isn't a generic offshore kit
particularly those pushing beyond 800 HP
If you’re looking for the quickest spool and the widest rpm band of all of our cams
This allows massive airflow improvement without cold weather hard starts and none of the possible random codes associated with a simple grid heater delete
Broad Compatibility: Suitable for 12V
Additional wiring for a 0-5v or RS232 Serial output can be added by the user for outputting to a data logger
Air-Boss 67 elevated intake plenums are compatible with all stock style intake manifolds and the increased airflow provided by the Air-Boss 67 greatly reduces EGT's
Easily replaces the stock relief valve
