Handcrafted aluminium header tank manufactured in the UK by The Alloy Shed, designed as a direct-fit replacement for Subaru WRX and STI models.
Developed to improve durability and reliability over ageing factory plastic tanks, this unit is intended for long-term use in performance-focused road cars and motorsport applications.
Vehicle compatibility
Subaru WRX 2002–2007
Subaru STI 2004–2014
Key features
2 mm aluminium construction for strength and heat resistance
WRX-specific laser-cut aluminium mounting bracket for accurate OEM-style fitment
Fully TIG-welded construction throughout
2 × 13 mm swaged hose ports, formed using aerospace-grade beading tooling
1 × 8 mm auxiliary port, swaged for clean, secure, leak-free hose connections
Suitable for road and track use, turbocharged builds and engine bay upgrades where reliability, fitment and durability matter.
