CSF 08-15 Subaru Impreza WRX/STI 2-Row 42mm High-Performance Aluminum Radiator
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CSF 08-15 Subaru Impreza WRX/STI 2-Row 42mm High-Performance Aluminum Radiator
Upgrade your Subaru Impreza WRX/STI with the CSF High-Performance All-Aluminum Radiator, a product backed by over 50 years of expertise in radiator manufacturing. Designed for both street use and competitive motorsports, this radiator is essential for maintaining optimal engine temperatures, particularly in high horsepower builds.
Key Features:
- Advanced B-Tube Technology: Unlike traditional oval "O" type tubes, CSF employs a specially engineered "B" tube design that enhances strength and cooling efficiency.
- Enhanced Heat Transfer: The innovative design increases the heat transfer surface area by approximately 15%, allowing for more efficient cooling.
- Dual Liquid Laminar Flow: Experience improved coolant flow dynamics that enhance overall performance.
- Precision-Engineered Fins: Multi louvered fins are strategically aligned to maximize airflow for superior heat rejection.
- Drop-In Fit: Designed for easy installation with no modifications required. OE style brackets are CNC machined and welded for durability.
- Compatible Connections: Inlet and outlet connections match OE specifications, allowing you to reuse OEM hoses or aftermarket alternatives.
Why Choose CSF?
When it comes to radiator performance, trust the experts at CSF. Our radiators combine cutting-edge technology, rigorous testing methods, and high-quality materials to ensure the best cooling solution for your WRX/STI. Whether you're on the street or at the track, the CSF radiator is built to keep your engine running cool and performing at its best.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

