aFe BladeRunner 2-1/2 IN Aluminum Hot Charge Pipe Black 22-23 Subaru WRX H4-2.4L (t) (afe46-20668-B)

OFF-ROAD OR MOTORSPORTS USE ONLY. This part is not CARB legal. It is not legal for sale or use on pollution-controlled motor vehicles in California or in other states that follow California emissions rules. It is sold for off-road or motorsports use only.

This is the aFe BladeRunner 2-1/2 IN Aluminum Hot Charge Pipe Black 22-23 Subaru WRX H4-2.4L (t). Part afe46-20668-B. Charge pipes and intercooler piping carry boost between the turbo, intercooler and throttle body.

Smooth transitions in the mandrel-bent aluminum pipe decreases turbulence and minimizes pressure loss, increasing horsepower and torque. This kit includes high-quality, stainless-steel, SmartSeal clamps and a heavy-duty, 5-ply, polyester reinforced silicone coupling. This charge pipe kit also features a factory style billet aluminum quick-connect Adapter with an o-ring seal to ensure a leak-free fit while maintaining superior strength and durability. Finished in wrinkle black powder coating with a unique laser-etched aFe POWER logo for a custom look.

Features and benefits

• Directly replace your Subaru's restrictive charge pipe with aFe POWER's BladeRunner free-flowing, heat-resistant aluminum charge pipe.
• Hot Side Outflows the Factory Charge Pipe by up to +41%
• TIG-Welded 2-1/2" Aluminum Pipe
• Features Factory Style Quick-Connect With an O-Ring Seal
• Features Premium Stainless-Steel SmartSeal Clamps And a 5-Ply Silicone Coupling
• 1/8" NPT Port is Provided for Connecting Sensors or Water Methanol Injection
• Powder Coated Wrinkle Black for Heat and Corrosion Resistance

Product details

• Part type: Intercooler Piping
• Brand: aFe
• Color: Black
• Material: Aluminum
• Air Flow Gain: 41
• Couplings Included: Yes
• Finish: Powdercoated
• Configuration: Multi-Piece
• Grade Type: Performance
• Coupler Color: Black
• Coupler Material: Silicone
• Couplers Included: Yes
• Mounting Hardware Included: Yes
• aFe part number: afe46-20668-B

Fitment

• Vehicle: Subaru WRX (VB)
• Years and trims on file: 2022-2024 Subaru WRX Base; 2022-2025 Subaru WRX GT; 2022-2025 Subaru WRX Limited; 2022-2025 Subaru WRX Premium; 2024 Subaru WRX RS; 2024 Subaru WRX TR; 2025 Subaru WRX TS
• Application listing: aFe BladeRunner 2-1/2 IN Aluminum Hot Charge Pipe Black 22-23 Subaru WRX H4-2.4L (t)
• Check the vehicle, model years, engine and trim above against your car before ordering. Not sure? Ask us and we will check it against your VIN.

Emissions: off-road or motorsports use only

This part is not CARB legal and is sold for off-road or motorsports use only. It is not intended for use on vehicles driven on public roads. By ordering, the buyer accepts responsibility for checking and following federal, state and local emissions laws where the vehicle is used. Questions? Ask us before you order.

Shipping & returns

• Orders are processed within 1–3 business days; standard delivery is 3–7 business days within the United States.
• aFe parts are supplied through our distributor. We confirm availability and lead time with you after you order.
• We currently ship within the U.S. only. See our Shipping Policy.
• 30-day returns on unused parts in original packaging — see our Return Policy.

Installation at Team ANBD

Team ANBD is a performance shop in Andover, New Jersey. We can align or corner-balance the car, and prep track cars. Book an appointment or ask us about installation and fitment before you order.

California Proposition 65

WARNING: This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov.