5" Downpipe Back Dual With No Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P-531015 Engine Size:6.6L The machined air channel on

The machined air channel on the threads functions to bleed air

Part Number: 338051400

these turbos utilize BD's unique dual-volute turbine housing

We also need the S/N and E/C number as taken off the ECM

5" Downpipe Back Dual With No Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P-531015 Engine Size:6.6L The machined air channel onConstructed 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! Features: Ease of installation Contour Bent Hangers TorcTite Clamps 4" Cat Pipe OEM Style 4 Bolt