2015.5-2016 Duramax LML 3" Turbo Downpipe (GM8428) 2006.5 - 2007 GM Injectors

2015.5-2016 Duramax LML 3" Turbo Downpipe (GM8428) 2006.5 - 2007 GM InjectorsThe MBRP GM8428 3" Downpipe helps your 2015 2016 6. 6L LML breath by increasing the exhaust flow off your turbocharger. Removing the restrictions caused by your OEM downpipe the MBRP replacement will lower your EGTs and increase performance. The install process is as simple as it gets from the precision bending that you'd expect from an MBRP kit. 3" Turbo Downpipe Aluminized FITS 2011 2015 GMC Duramax 6. 6L LMM

4L 4" Turbo Back Exhaust No Muffler (421009)

Mahle Original utilizes OE equivalent or better materials in all their head sets

2 liter LT engines

0L 4" Race Pipe Kit (441003)

Internal and external cooling fins

200 RWHP with proper supporting modifications

ensuring reliable operation under extreme conditions

**We Highly Recommend adding these products for best results:**

Upgrading your Up-Pipes

The Cerakoted Adjustable Track Bar and will allow for correct axle alignment on lifted trucks so they drive straighter with less wander and more positive steering feel

Adding our kit to your stock fuel system reduces drive load on the stock CP3 pump

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