BC Racing Coilovers HM 11-14 Impreza STI Sedan (F-17-HM)The BC Racing HM Series Coilover System gets its great qualities from a combination of two previous BC Racing Coilover Systems the RM Series and ER Series. The HM Series uses an inverted mono tube damper, just like the RM Series, but adds the independent compression and rebound adjustment of the ER Series. Highly Customizable Swift Springs Come Standard On HM Series Coilovers Inverted Mono Tube Damper Linear Twin Piston Design Height Adjustment

Increased efficiency & consistency in power delivery

Bolt-On fitment with OEM fans

and one of the widest adjustment ranges in the industry

without compromising strength

Advanced Tuning Settings: Dial in performance features such as launch control

especially when it comes to the intake system

track or drag strip

Pull Up Lap Belt Adjusters

Whiteline Silver Powder Coating Is An Electrostatically Applied Coating That Is Cured Under Heat Creating A Hard Skin That Is Much Tougher Than Conventional Paint

extensive testing before shipping and our stringent quality control

Datalog using AEMnet CAN bus—Outputting channels over AEMnet provides so much more than just boost pressure

ECU PN# RNA-A04 through RNA-A33 RNA-A54 through RNA-A83