Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.. Richer Diesel Tone. Increase Flow of 20% Over Stock, 21HP Gains and 24lb/ft Torque.. Armor BLK Turbocharger Down Pipe; 3 in.; Black Coated; 4 in. Outlet Diameter Tip;. 3" Turbo Down Pipe. Will Not Work With A 3" Bolt Flange Style Connection.. MBRP 11-13 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black. Will Not Work With A 3" Bolt Flange Style Connection.. MBRP Exhaust Armor Lite Series, Down Pipe.. 20 Percent Greater Flow Over Stock. Armor BLK Turbocharger Down Pipe. Will Not Affect Emissions. Gains Of +21 Horsepower. 24 lb./ft./ Torque Gain. Greater Heat Retention. MBRP Exhaust Down Pipe. 3" Turbo Down Pipe.. Richer Diesel Sound. TChrgrDownPipe. Exhaust Pipe. Down Pipe

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov