http://auto-specs.zercustoms.com The RSS feed of the latest 10 ESX specifications at Auto Specifications en http://auto-specs.zercustoms.com/e/esx/2006-esx-impreza-wrx-sti-specifications.html 2006 ESX Impreza WRX STi Specifications - Specs valvetrain DOHC, 4 Valves per Cyl w/VVT fuel feed Multipoint Fuel Injection displacement 2457 cc / 149.9 cu in bore 99.5 mm / 3.92 in stroke 79 mm