Injen Red Water Repellant Pre-Filter fits X-1010 X-1011 X-1017 X-1020 5in Base/5in Tall/4in Top Dodge for the most power gains

for the most power gains possible we also highly recommend an IE air intake and IE FDS intercooler

2002-2008 SUBARU FORESTER SG INCL TURBO 4CYL (Reduces roll/bump steer - essential for lowered cars)

2011-2014 Subaru Impreza WRX STI Limited 2010 Subaru Impreza WRX STI Special Edition 2015-2017 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015-2017 Subaru WRX STI Limited 2016 Subaru WRX STI Series

Porsche - 911 - 964 - 1991 - 1993 - Excl 'RS' - Rear

Injen Red Water Repellant Pre-Filter fits X-1010 X-1011 X-1017 X-1020 5in Base/5in Tall/4in Top Dodge for the most power gainsInjen Technology's Hydroshield are designed to enhance the efficiency of any air filter, including Injen's SuperNano Web and our 8 Layer oiled cotton gauze air filters. Injen's Hydroshield is constructed from a proprietary base media and then treated with a hydrophobic water repellent. Our Hydroshield is UV resistant, can stop contaminants down to. 005", is puncture resistant, and has elasticity characteristics which helps the Hydroshield to return to