The COBB 3-Port Boost Control Solenoid (BCS) for Subaru WRX (2015-2021) enhances boost control, eliminating fluctuations common in OEM systems. Designed for consistent performance at both stock and high boost levels (up to 120psi), it features nickel-plated 1/4″ barb fittings, Viton spools and seals, and a waterproof design for durability. Easy installation with plug-and-play wiring, a billet aluminum mount, and all necessary hardware. Tuning required.

• Accurate and consistent boost control
• Plug-and-play 18-gauge wiring harness
• 1/4″ nickel-plated barbed fittings
• Rated up to 120psi
• Billet aluminum mount
• Not legal for sale or use in California

Whats in the Box:

• COBB 3-Port Boost Control Solenoid
• (6) Zip Ties
• (1) Allen Key 2.5mm
• (2) 18mm Phillips Head Screw
• (2) 3mm x 20mm Socket Head Cap Screws
• 1/8th” NPT x 1/4″ 90 Degree Fitting
• COBB EBCS Bracket
• 2′ 6mm Vacuum Hose
• Loctite

Fitment:

• 2015-2021 Subaru WRX

Installation:

• Difficulty:
• Time: 1520 min
• Instructions: [View Here]

Warranty:

• COBB Limited Warranty