GMC Sierra Performance Exhaust - MBRP Armor BLK Turbocharger Down Pipe, 3.5 in., Black, 2017-2026. This direct-replacement downpipe swaps the restrictive factory unit for a black-coated aluminized-steel design that improves exhaust flow.

Built for the 6.6L Duramax L5P, this 3.5 in. MBRP pipe delivers up to 11% more flow to help lower EGTs and support efficiency. It uses a V-band to four-bolt transition for solid fit, arrives with exhaust wrap installed to manage underhood heat, and features Armor BLK ceramic black coating on aluminized steel. About 3 lbs lighter than stock. Does not fit medium duty L5D. Check local laws; not for sale or use in California.

Features

• 3.5 in. aluminized steel, Armor BLK ceramic black coating
• Direct replacement for 2017-2026 GMC Sierra/Silverado 6.6L L5P
• Up to 11% flow gain; helps reduce exhaust temps
• V-band to four-bolt flange, pre-installed exhaust wrap, ~3 lbs lighter

Questions or ready to schedule? Call our Austin, TX shop at 512-982-9393 or our Los Angeles, CA area location at 562-981-6800. We offer professional installation and customization at both locations. Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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