HPS Performance 837-566WB

Fits 2008-2014 Subaru WRX STI 2.5L Turbo / 2008-2014 Subaru WRX 2.5L Turbo. No modification is required, however, removal of front bumper is necessary during the installation. CARB Exempt: No. Fine-tuned by HPS to deliver dyno proven performance gains +27.1 Whp horsepower, +26.8 Ft/lbs torque and improve throttle response; Does NOT require tuning after the install. Black light weight mandrel-bent aluminum alloy piping replaces the stock restrictive air box and optimize the air flow. Can be converted into shortram intake. Features HPS signature race proven reinforced silicone hoses and industrial grade 100% stainless steel T-bolt clamps. The included Washable/Reusable HPS Performance Air Filter is backed by One-Year Limited Warranty. The included installation instruction has clear pictures and description to guide the installer throughout the whole process.