APR Performance Aero Kit (AB-815006) _With_Electric_Wear_Indicator Single-pipe design reduces the characteristic

Single-pipe design reduces the characteristic sound associated with turbo synchronization

3 Bolt Exhaust Gasket for connection between catalytic converter & exhaust system

We recommend the non-resonated variant for vehicles equipped with the factory headers

less expensive bolt-on brackets save money but lack stiffness and precision

APR Performance Aero Kit (AB-815006) _With_Electric_Wear_Indicator Single-pipe design reduces the characteristicThe aerodynamic kit for the Subaru WRX STI combines all the best aerodynamic upgrades into a single package. This package is designed to improve high speed handling, both on and off the track. This Aerodynamic Kit Includes: Front Air Dam Side Rocker Extensions Rear Bumper Skirts APR Performance Aerodynamic Kits are designed to achieve the best possible aerodynamic characteristics. Each APR Performance Aerodynamic Kit is engineered to reduce drag