Subaru Impreza 04-05 CWII-Style Carbon Fiber Hood Chest Extender They act to smooth out

They act to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operating

3" diameter

This unit comes standard with a ported 4" Inlet / 2" Outlet compressor housing

Note: These pumps do not include integrated check valves

02-05 WRX 5spd ONLY (NOT compatible with 6spd models)

Subaru Impreza 04-05 CWII-Style Carbon Fiber Hood Chest Extender They act to smooth out*ALL SEIBON ITEMS SHIP IN 1 2 WEEKS* Fiberglass 'skeleton' bonded to underside for strength and support (matte black enamel finish). FEATURES & BENEFITS: Show ready. No painting required. Uses professional, high quality 3K 2X2 twill weave carbon fiber fabric. Reuses OEM install hardware. Promotes heat extraction. Applicable to the following trims: WRX STI WRX