MBRP GM8427 3" TURBO DOWNPIPE 11-15 Duramax Travel 4- and 5-ply heavy-duty silicone

4- and 5-ply heavy-duty silicone couplers

These are available for separate purchase

0" tall rear block that doesn't sacrifice ride quality

(Kryptonite Lifetime warranty ) Kryptonite steering and suspension components are warrantied for life to their original purchaser

MBRP GM8427 3" TURBO DOWNPIPE 11-15 Duramax Travel 4- and 5-ply heavy-duty siliconeDESCRIPTION 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