Injen Hydroshield - Black 7in Base x 8in Tall x 5in Top 2013-bmw-640i-gran-coupe-esi3803153 The 3" diameter single exit

The 3" diameter single exit Cat-Back(tm) system features Polyphonic Harmonizer technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Year Make Model Submodel 1989-1997 Geo Prizm Base 1990-1992 Geo Prizm GSi 1991-1997 Geo Prizm LSi 1990-1997 Toyota Celica ST 1983-1984

2023+ Honda Civic Type-R FL5

Supertech Audi 1

Injen Hydroshield - Black 7in Base x 8in Tall x 5in Top 2013-bmw-640i-gran-coupe-esi3803153 The 3" diameter single exitInjen 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