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Give your Subaru WRX STI that added punch you crave with the EVO1206 Evolution Cold Air Intake System by Injen Technology
BladeRunner EGR Cooler (46-90079) by aFe
Travel Distance
Reinforced brass grommets and hems for long lasting strength and durability
All BORLA(r) Cat-Back(tm) and Axle-Back systems are made in the USA and are covered by our Million-Mile warranty
aFe MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System (49-44008) _T304_Stainless_Steel Give your Subaru WRX STIMach Force XP 409 SS Cat Back Exhaust System with Single Side Exit by aFe. Exhaust System Type: Cat Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Cat Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from mandrel bent