Perrin Equal Length Header WRX (2015-2018) Wheels - Improved throttle response and

- Improved throttle response and acceleration

tapering to 3" and bolting into a 3" race pipe

The specs for this black Cosmis Racing XT-206R Wheel are 17x8 5x100 +30mm Offset with a 73

also called KONI Yellows for the E46 325Xi 330Xi

Perrin Equal Length Header WRX (2015-2018) Wheels - Improved throttle response andIncrease power and torque through quicker turbo response and a more efficient collector design with the PERRIN Equal Length Header for the 2015 2017 WRX. Instantly increase turbo response and add 15 20 wheel horsepower and 20 ft lbs of torque with the PERRIN Equal Length Headers. This part is perfectly safe to install and does not required an ECU tune. Dyno graph shows results of a 2015 WRX with typical bolt ons (3 inch turbo back exhaust and no ECU