11-16 Duramax LML HSP 3.5" High Flow Mouthpiece Fuel Over 8 operating conditions tested

Over 8 operating conditions tested

and a more efficient/powerful torque curve

The Edge Products 21501 Juice with Attitude CTS2 Monitor provides your 2004

As an added bonus

advance control integrated chip eliminates the occasional error code caused by resistor based devices

11-16 Duramax LML HSP 3.5" High Flow Mouthpiece Fuel Over 8 operating conditions tested2 4 Week Build Time Normally Not designed to work with a factory intake, it will only fit a 4. 5" HSP intake or an aftermarket 4" intake. New HSP Diesel 3. 5" High Flow Turbo Horn Mouthpiece for 11 16 LML Duramax, With this Turbo Mouthpiece you will notice much more Turbo whistle compared to any plastic mouthpiece. Your choice of powder coating. This high flow design deletes the resonator and reroutes the PCV, without the resonator and PCV holes in