Cobb 04-05 STI Subaru Stage 2 Power Package - cobb613X12 Exhaust Not a "piggyback" - once

Not a "piggyback" - once vehicle's computer has been programmed by the AccessPORT

Sport Exhaust valves open at lower RPMs and hard acceleration

but now with more

The AWE Tuning BMW F10 M5 Touring Edition Exhaust is the ultimate compliment to BMW’s flagship sport sedan

and CNC-bending/milling at our factory in Germany

Cobb 04-05 STI Subaru Stage 2 Power Package - cobb613X12 Exhaust Not a "piggyback" - onceThe COBB Stage 2 Power Package is such a simple bolt on and tuning solution for your 04 07 STi! You get the Accessport tuning convenience, a big increase in power and torque from a free flowing turbo back exhaust, and a Stage 2 tune! Listen to the intoxicating rumble of the Subaru boxer engine as it emits through our beautiful 3" Stainless Steel exhaust. Then finish it off with a Stainless Turbo Heatshield and COBB High Flow Filter for your stock