ARK Performance N-II Exhaust - Subaru Impreza WRX/STI (01-04) exhaust-accessories All JRZ dampers are:

All JRZ dampers are:

The car can be set up comfortably for street use and be set up for superb handling on track

Based on Sachs shocks and utilizing Eibach or Hyperco springs

Cold valve

Mine's has manufactured a replacement for the stock in-take duct on the front hood of the GTR

ARK Performance N-II Exhaust - Subaru Impreza WRX/STI (01-04) exhaust-accessories All JRZ dampers are:The Ark Performance N II exhaust for the 2001 2004 Subaru WRX STi is designed and engineered right here in Southern California. Awesome details include: Helmholtz Technology Reduces drone to a minimum without sacrificing performance T304 Stainless No thin, unreliable exhaust piping and flanges Mandrel Bent Smooth bends = more power. The only way to make an exhaust Signature X PIpe Design Proper design leads to more power and not a choke point We are a