2011-2016 Powerstroke 6.7L P1 4" Race Pipe (CFS9458)2011 2016 Powerstroke 6. 7L P1 4" Race Pipe (CFS9458) Maximize performance in your race built 2011 2016 Powerstroke 6. 7L with the P1 Performance Products CFS9458 4" XP Series Race Pipe. The XP Series is built from T409 Stainless Steel that offers unbeatable durability. The P1 Performance Products Installer Series is built for those that don't want to compromise on their exhaust system.

utilizes the factory connectors so you're back on the road quicker

5-2016 Duramax LML P1 4" Downpipe Back Race Exhaust System - No Muffler (C6045PLM)

Strong exhaust brake rivals butterfly valve type brakes and generates up to 65psi EBP across a wide rpm band

3 Powerstroke

7L with the P1 Performance Products C6149PLM 4" PLM Series Race Exhaust System

extending oil change intervals and reducing overall maintenance costs

If you are looking for a great mild performance cam that you can daily drive

External fins add strength and take advantage of free-flowing air

reliability and workmanship you have relied upon for years from the Compstar line up is taken to the Xtreme

volute shape

Longer injector life

you need a Retro Fit  Kit sku 300298**