06-09 Civic Si Coupe Only 60mm cat-back system w/ 4.5" Titanium Tip. HP Gains: +5.0. TQ Gains: +4.1
Injen Technology Co. Ltd has been designing and developing air intake systems for over a decade. With their facility located in Southern California, Injen has emerged from a small manufacturing company into a global trailblazer of performance aftermarket vehicle parts.
Injen Technology has made it a goal to stay at the forefront of performance technology, making only the best air intake systems one can imagine. A few of Injen’s legendary products include Super SES Stainless Steel Cat-Back Exhaust Systems, The SP Air Intake System and the Diesel Power-Flow - which incorporates the first Power-On-Demand air intake system with Vi Technology and with a removable stainless steel Pre-Filter.