Injen 1035BLK Black Water Repellant Pre-Filter fits X-1010 X-1011 X-1017 X-1020 5in Base/5in Tall/4in Top Zippys The X4 Power Flash arrives

The X4 Power Flash arrives Pre-Loaded with DYNO Proven tune files that Increase Horsepower and Torque

The OEM Duramax cast-aluminum cylinder heads fall short over time - the different heat expansion rates between cast-iron engine block and cast-aluminum cylinder head cause head gasket scrubbing

With repair work out of the way

The built-in Engine Temperature Protection system helps keep your engine safe under heavy loads

Injen 1035BLK Black Water Repellant Pre-Filter fits X-1010 X-1011 X-1017 X-1020 5in Base/5in Tall/4in Top Zippys The X4 Power Flash arrivesInjen inj1035BLK Black Water Repellant Pre Filter fits X 1010 X 1011 X 1017 X 1020 5in Base 5in Tall 4in Top