AFE MACH Force XP 3" Stainless Down Pipe 11-15 GM 6.6L LML Duramax AM-15203 A simple 1/8" NPT pressure

A simple 1/8" NPT pressure connection requires no electrical hookup for operation

and the ability to handle the flex in the front end of your truck

or anything else you put in the bed or pull

sending it through your brand new injectors

AFE MACH Force XP 3" Stainless Down Pipe 11-15 GM 6.6L LML Duramax AM-15203 A simple 1/8" NPT pressureThe factory downpipe or turbo direct pipe in your 2011 2015 LML Duramax is highly restrictive and holds back your trucks power potential. Remove this restriction and install an AFE MACH Force XP 3" Stainless Down Pipe. This downpipe features a 3" 409 stainless steel mandrel bent tubing and heavy duty CNC machined flanges for a secure, leak free seal. This downpipe retains all factory sensors for trouble free operation. The MACH Force Down Pipe is