MBRP GM8427 3" TURBO DOWNPIPE 11-15 Duramax

DESCRIPTION The MBRP GMCA427 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2011- 2015 GM 6.6L Duramax LML. Featuring a mandrel bent aluminized steel construction, the MBRP 3" Turbo Downpipe provides a smoother flow from the turbo resulting in lower EGT's, increased performance, throatier sound, and faster turbo spool-up. Each Downpipe is coated with a satin black high-heat coating and wrapped with a high-heat thermal wrap for added protection. Featuring CNC machined flanges, this Downpipe is a direct bolt-on replacement, and is manufactured with precision bends for the perfect fit that you've come  3" Turbo Downpipe (50 State Legal) | XDP  Reduced Temperatures Increased Performance Coated & Heat-Wrapped  Aluminized Steel Construction Note: This Downpipe is only for the 2011-2015 models with the standard v-band connection. It will not work on late model 2015.5 trucks with the 3-bolt flange.  CA Residents: CARB E.O. Number on file - LEGAL for use in California.

 GMCA427