Subaru Impreza WRX STI (GDB-F) 2005-2007 - 520 Series Club Racer Coilovers Heim Joint Upgrade:No Resonator: yes

Resonator:   yes

- Double the storage from 4gb to 8gb

Color - Black

This is because there have been three revisions of the engine

Air/Fuel Ratio

Subaru Impreza WRX STI (GDB-F) 2005-2007 - 520 Series Club Racer Coilovers Heim Joint Upgrade:No Resonator: yesCUSTOM. MODULAR. REBUILDABLE. Fortune Auto engineers found a need in the market for a capable 2 Way adjustable, prosumer Motorsports coilover system. The result? The Generation 8 520 Series Club Racer. The 520 Series double adjustable coilover is a remarkably sophisticated damper system. The compact system has a 2 Way adjustable canister that is tuned to the specific chassis. The canister is mounted directly to the shock to provide ease of