Injen Technology?s Super SES line of exhaust systems are dyno-tuned to compliment our performance intake systems; in doing so the Super SES provides maximum horsepower and torque across the power band. The Super SES exhaust system is manufactured from 100% 304 stainless steel. Each exhaust system features CNC mandrel-bent stainless steel tubing CNC machined flanges and robotic TIG welding. Exhaust System; Incl. Tubing/Muffler/Tip; HP Gains +4.2 HP; Stainless Steel; Polished; CatBack Exhaust System Mitsubishi 00-05 Eclipse 3.0L V6