Banks Boost Tubes Upgrade 2011-2016 Duramax LML Cognito 4" 82% less backpressure than stock

82% less backpressure than stock for more flow

This unit also allows you to adjust your Tire Pressure Monitoring sensors (TPMS) to remove the low-pressure warning light when running lower tire pressure

The adjustable torsion key provides 1” to 2” of lift and gives clearance to add up to 33" wheels and tires to your GM HD Truck

Torsion Bar Adjuster Key Kit

GM tie rod assemblies have been a weak link on all GM trucks

Banks Boost Tubes Upgrade 2011-2016 Duramax LML Cognito 4" 82% less backpressure than stockOEM replacements for left and right side boost tubes with silicone couplers. Up to 105% greater flow area compared to stock. Better flowing intercooler tubes result in less boost pressure loss allowing for more air and fuel to be delivered to your engine resulting in maximum horsepower. These boost tubes are designed for serious horsepower.