K&N 69-8005TWR Cold Air Intake for 2008-2014 Subaru Impreza WRX STI 2.5L Turbo

Vehicle Fitment

• 2008-2014 Subaru Impreza WRX STI (2.5L H4 Turbo, AWD)

Features

• Guaranteed increase in horsepower and torque
• Mandrel-bent aluminum intake tube for smooth unrestricted airflow
• Oversized oiled cotton gauze air filter for high filtration efficiency
• Washable and reusable filter - up to approximately 100,000 miles between services under normal highway driving conditions
• Designed to improve throttle response, sound and engine efficiency
• Includes durable powder-coated "wrinkle red" finish intake tube for lasting style and performance
• Simple installation - typically within 60 to 90 minutes using basic hand-tools
• No-Hassle Lifetime Limited Warranty from K&N

Specifications

• Estimated Horsepower Gain: ≈ 17.52 HP @ 5260 RPM :contentReference[oaicite:5]{index=5}
• Estimated Torque Gain: ≈ 17.5-18 lb-ft :contentReference[oaicite:6]{index=6}
• Filter Type: Oiled Cotton Gauze
• Filter Color: Red
• Filter Outlet Shape: Round
• Clamp Material: Stainless Steel
• Clamp Count: 3
• Couplers Included: 1
• Intake Pipe Finish: Wrinkle Red Powder Coat
• System Type: Cold Air Intake (Typhoon Series)
• CARB EO Number: D-269-41 (for 2008-2011 models) - not legal for sale or use in California on all pollution-controlled motor vehicles. :contentReference[oaicite:7]{index=7}

Included Components

• 1x Mandrel-bent aluminum intake tube (wrinkle red finish)
• 1x High-flow oiled cotton gauze air filter (replaces factory unit)
• 3x Stainless steel worm-gear clamps
• 1x Silicone coupler
• Installation hardware (brackets, bolts) and instruction manual

Product Description

The K&N 69-8005TWR Typhoon Cold Air Intake System is engineered to enhance the performance of your 2008-2014 Subaru Impreza WRX STI 2.5L turbocharged AWD. By replacing the restrictive factory air intake system with a high-flow mandrel-bent aluminum intake tube and a large capacity reusable oiled cotton filter, the system allows your turbocharged engine to breathe more freely, improving throttle response and delivering noticeable gains in horsepower and torque.

Installation is straightforward and typically can be completed in 60 to 90 minutes with basic hand tools. The filter can be cleaned and reused many times - K&N recommends up to 100,000 miles between cleanings under normal highway driving conditions. Please note: while this part offers performance upgrades for many drivers, the CARB EO number D-269-41 applies only to 2008-2011 models - this part is **not legal for sale or use in California on all pollution-controlled vehicles** for other years. Always verify local regulations before purchase or installation.