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It's vital to expect the best from your ride. Injen company is the leader of aftermarket exhausts and air intake systems. Their exhaust systems are specifically designed to deliver the maximum gain in horsepower and provide you with a deep, sporty sound. That's why Injen uses only the most reliable techniques and the most advanced equipment to provide you with the best results. All tubing is CNC mandrel bent, all flanges are CNC machined and all parts are robotic Tig welded, so the quality is on the highest level. The Cat-back exhaust systems are backed by a limited 1-year warranty.

This custom made exhaust system by Injen is manufactured for your Honda Civic Si 2.4L L4 2012 specifically:

InjenŽ - SES1579 Honda Civic Si 2012 Axle-Back Exhaust System
http://www.carid.com/2012-honda-civi...ms-492237.html

Note: this exhaust system is available for 2.4L model, get up to 6.79 HP and 5.57 ft.lbs TQ gain.

Follow the link to find out more about the manufacturer: http://www.carid.com/injen-intakes/