CARB Compliance / Exemption Warning: If you live in California and your application for this product is not CARB Compliant / Exempt, then you cannot purchase it for public highway or street use (in that case it could only be used for formally sanctioned race use on a racing vehicle that may never be used on a public highway or street). If your application is not CARB Compliant / Exempt and you're shipping to California, our system will let you know on the final checkout page.

Sold in sets which include all injectors required for your engine. Plug-and-play connectors (harnesses) are included for applications that require them, unless noted otherwise.

The higher the power, the thirstier the engine. Bigger injectors are mandatory on high-end builds churning out tons of power. COBB Fuel Injectors to ensure your build is supplied with the fuel it needs to run properly. Each kit includes harnesses and to easily installs on your Subaru WRX STI. Corrosive resistant internals allows these COBB Fuel Injectors to be used with virtually all known fuel types, including E85. With the increased fuel flow, a tune and bigger pump will be required. Even with all that though, the great thing about these injectors is they can be set to idle as smooth as stock and still deliver huge power at the top-end.

Common Key Features:

• Simple "drop in" installation for most applications. Includes plug-and-play connectors (harnesses) and works with stock fuel rail.
• Flow rated and balanced in house.
• Flow matched to within 1-2 percent!
• Excellent spray pattern and atomization.
• Can be set to run smooth as stock.
• Compatible with virtually any fuel, including E85.
• Data supplied for tuning injectors with Accesstuner Software.

Fuel Type Notes: The injectors are compatible with regular fuel or other commonly used fuels, including E85.