2019-2024 Cummins 6.7L 4" Flex Pipe Back Single No Muffler - Open Box (411029-BB)2019 2024 Cummins 6. 7L 4" Flex Pipe Back Single No Muffler (411029 BB) 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!

Manufactured from Quench and Tempered Steel with a Yield strength of 100

The drop-in

3L KC300x Stage 1 Turbocharger (302523)

Injectors capable of supporting up to 625 RWHP with proper supporting modifications

improving fuel flow to the heads and giving back some valuable engine valley room

These cams will help reduce EGT's (by getting the exhaust out of the cylinder and new air in)

Perfect for a quick touch up clean and shine at the car show or race track

2 LSU and NEVER requires free-air calibration when used with AEM's 30-4110 Wideband UEGO AFR Gauge

4L Twin Turbo assembly

the bolts between the torque converter and flex plate can slip

Replacement remanufactured stock CP3 injection pump

This injector line is a direct replacement and will fit either cylinder hole #3 or #6