SuperPro Rear Blade Control Arm Kit - Civic FK8 HKS so by installing this friction

so by installing this friction type damper

and dyno testing

For Impreza GDB

HKS Super Power Flow Reloaded Air Intake Kit - Skyline GT-R R33

if not better than the stock intake

SuperPro Rear Blade Control Arm Kit - Civic FK8 HKS so by installing this frictionSuperPro's bushes feature unique design and superior materials to offer a drastic improvement in your cars handling, giving a more precise feel through the corners. With the low maintenance design, increased life of adjoining components and improved tyre wear, SuperPro bushes represent excellent value for money over the long term. The SuperPro series of replacement arms are designed as easy to fit, direct alternatives to the OE item. Supplied pre