Cobb Carbon Fiber Engine Cover - WRX MY15-21 fuel injector Increases downforce over the standard

Increases downforce over the standard lip spoiler as a result of the spoiler extending forward by 31mm

WRX 4DR MY11-21

Made of hard plastic

The increased dwell time can lead to more complete combustion and reduced detonation tendency allowing for slightly higher compression ratios

Cobb Carbon Fiber Engine Cover - WRX MY15-21 fuel injector Increases downforce over the standardREDLINE CARBON FIBER STYLE Cobb's Redline series carbon fiber engine cover replaces the boring plastic cover. Ideally used when upgrading the intercooler but will fit with stock intercooler as well. Constructed of genuine 2x2 twill carbon fiber cloth and finished in a clear coat designed to hold up under high engine bay temperatures. Satin black powder coated brackets, black button head screws, and nylon washers are supplied. A Cobb Redline badge adds