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Agency Power Downpipe 08+ WRX / STi

Agency Power Downpipe 08+ WRX / STi

Your Price: $300.00
Part Number:Agency Power AP-GH-171

Agency Power has always had the goal of improving and enhancing the Subaru STI. Agency Power has just released their all new Racing Downpipe. The downpipe is full stainless steel with a bell mouth upper section. The .4" thick flanges ensure a tight and strong seal. The downpipe deletes both your catalytic converters and bolts to all factory style turbos. The precision welds and mirror polishing piping give the Agency Power Racing Downpipe a show finish. Each downpipe includes a bung for an aftermarket air/fuel sensor as well as a bung for the factory O2 sensor.

When adding an Agency Power Racing Downpipe, you will gain more horsepower and overall performance. The downpipe allows for better flow of the turbine and wastegate gasses. The downpipe has a large bell mouth which allows for both to flow smoothly out and down the pipe. The 3 inch diameter piping is the perfect size for the turbo cars from stock hp to 500 whp. The bellmouth will also allow for a little boost increase since there is less restriction. Mate this downpipe up with your aftermarket catback exhaust for an amazing sound and almost 25 wheel horsepower gain.

  • 3" Diameter
  • Bellmouth Housing
  • Additional O2 Bung
  • Catless

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