Injen NanoWeb Dry Air Filter 14in Round x 4in Tall - 1in Pleats NO-DISCOUNT The 3" diameter Cat-Back™ system

The 3" diameter Cat-Back™ system is unique in the industry with an adjustable sound level

Prevents Deterioration Of Silicone Boots Causing Them To Blow Out

The system contains a Merge X-Pipe to unleash hidden horsepower and create a custom sound

Eliminates 1-2 “bang shift”

We put in the time to test and prove that we have developed a superior kit for your GM Duramax LMM

Injen NanoWeb Dry Air Filter 14in Round x 4in Tall - 1in Pleats NO-DISCOUNT The 3" diameter Cat-Back™ systemManufacturer Part # : X 1091 BB Market Description With a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano Web air filters feature a proprietary media that includes and high flow base media with a highly efficient Nano membrane applied on top.