MBRP GM8428 3" TURBO DOWNPIPE 2015.5-2016 GM 6.6L DURAMAX LML Tumblers 8 provides addition features to

8 provides addition features to your Derringer Tuner

3 1/2" Turbo Intake Horn for the 2017-2019 L5P Duramax with factory style Turbo

This new and improved version from our previous Suction Tube Kit allows the user to plum their FASS return line directly to their bulkhead fitting

Banks hot and cold side tubes have up to 65% percent greater flow area than stock tubes

The Industrial Injection Dual Fueler Kit is designed to add a CP3 pump to your existing high pressure pump

MBRP GM8428 3" TURBO DOWNPIPE 2015.5-2016 GM 6.6L DURAMAX LML Tumblers 8 provides addition features toThe MBRP GM8428 3" Turbo Downpipe for your 2015. 5 2016 GM 6. 6L Duramax LML. Removing the restriction in the factory downpipe results in lower EGTs and increased performance. The down pipe is relatively easy to install due to the precision bends that you've come to expect from MBRP. FEATURES: Richer Diesel Sound Greater Heat Retention Gains of +21HP & +24 Ft lbs. 20% Greater Flow Over Stock Will Not Affect DPF or Urea System Note: This Downpipe is