MBRP GM8428 3" TURBO DOWNPIPE 2015.5-2016 GM 6.6L DURAMAX LML Tumblers Banks hot and cold side

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

8 provides addition features to your Derringer Tuner

The XD243 features a one-hole design that only requires drilling a single 3" hole for installation

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

MBRP GM8428 3" TURBO DOWNPIPE 2015.5-2016 GM 6.6L DURAMAX LML Tumblers Banks hot and cold sideThe 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