2011-2016 Duramax LML SoCal Billet Flex PlateSoCal Diesels Billet Flexplates are lighter and stronger than stock. They meet the new SFI 29. 3 specification for competition use.

The factory throttle valve is designed for emissions-related functions

improved fuel economy

RPM Range: Idle-4

3L Aluminized 5" Turbo Back Single w/ Muffler (521101)

Durable Construction: Perfect for engines running over 450 lbs of nose pressure or steel camshafts

7L with the P1 Performance Products C6149SLM 4" SLM Series Race Exhaust System

Banks boost tubes are 3-1/2" constant diameter mandrel bent with larger radius bends

and they can be purchased from most auto parts stores

this often results in wheel hop”a violent up-down motion of the wheels while trying to gain traction

40 Gallon extra HD frame-mounted

you can cou on this pipe lasting for as long as you own your truck

Max Flow Bridge and Cold Side Tube