Achieve performance gains of up to 17 HP and 20 lbs. x ft. torque with aFe's Takeda 3 - 2 mandrel bent, brushed finish 304 stainless steel cat - back exhaust system for your 2008 - 2015 Evo X. Dual, high - flow 304 stainless steel mufflers improve performance across the power band and delivers a powerful exhaust tone. 100 hand TIG - welded for strength and durability and long lasting, good looks, this system is finished with dual, black stainless steel tips etched with Takeda logos for a unique, custom appearance. In testing, the cat - back exhaust system resulted in gains up to 17 horsepower and 20 lbs. x ft. of torque, as measured on our in - house dyno. Dual, free - flowing, 304 stainl ess steel mufflers are used to absorb high pitch tones producing a powerful sound and unleashing more horsepower and torque potential. This dual rear - exit system features 4 round, double - wall, angle - cut black stainless steel exhaust tips w laser - etched Takeda logo for a custom appearance.