CSF 7094B for 08-15 Subaru Impreza WRX/STI 1-Row 31mm High- Aluminum Radiator

Vehicle Fitment

• 2008-2021 Subaru Impreza WRX/STI (E, F, VA; Manual transmission, AWD)
• 2012-2016 Subaru Impreza (Manual, AWD)
• 2005-2009 Subaru Legacy (Manual, AWD)
• 2005-2010 Subaru Outback (Manual, AWD)
• 2009-2013 Subaru Forester (Manual, AWD)
• 2013-2017 Subaru Crosstrek/XV Crosstrek (Manual, AWD)

Features

• 1-row, 31 mm thick B-Tube core for superior cooling
• Exclusive B-Tube dual-laminar flow increases heat transfer ~15%
• 6.5 mm multi-louvered fins maximize airflow and surface area
• 100 % TIG-welded aluminum construction for strength & light weight
• CNC-machined brackets ensure OEM-fit, drop-in installation
• Includes multi-fit combo pipe & plug for versatile compatibility
• Individually leak and pressure tested for reliability
• Satin black finish with mirror-polished option available

Specifications

• Core dimensions: 27.06" x 13.44" x 1.25"
• Inlet/outlet: 1.563" inner diameter (top tank)
• Material: 100 % aluminum (tanks & core)
• Transmission: Manual transmission only (excludes CVT)
• Performance gain: ~50 % more cooling capacity vs OEM
• Drivetrain compatibility: AWD only
• Core thickness: 31 mm (1-row)

Included Components

• 1x CSF 7094B aluminum radiator
• 1x Multi-fit combo inlet pipe & plug
• Mounting hardware (bolts & brackets)

Product Description

The CSF 7094B is a direct-fit, high-performance radiator engineered to enhance cooling efficiency and durability for Subaru WRX, STI, and other manual AWD models between 2008 and 2021. Utilizing CSF's advanced B-Tube technology and a thick 31 mm core, it improves heat dissipation by approximately 15 %, outperforming the original equipment radiator especially during spirited driving or track use.

Constructed from TIG-welded aluminum with CNC-machined brackets, this radiator installs easily without modifications and includes a multi-fit combo inlet pipe and plug to ensure compatibility across multiple Subaru platforms. It's individually pressure and leak tested for reliability, and finished in satin black for a stealthy OEM look.

Designed specifically for manual transmission and AWD configurations, this radiator is ideal for drivers seeking improved thermal management under demanding conditions. • Fitment confirmed through 2021. 2022+ coverage unconfirmed at time of listing.