See also:

New Chassis Tuning for 2011
The Subaru Impreza WRX STI was already a highly optimized performance machine. Specific chassis tuning. Aluminum front lower L-arms reduce unsprung vehicle weight. Major chassis tuning changes inc ...

Floor mat
Retaining pins are located on the driver’s side floor. The floor mat is secured using the built-in grommets, by placing the grommets over the pins and pushing them downward. CAUTION Make sure ...

Turbo models
Except STI The engine is designed to operate using premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. If premium unleaded gasoline is not available, regular unleaded gasoli ...