Subaru WRX STI Fuel Lines - COBB - -6 AN Adapter Fittings - Black - 04-16. A simple, reliable way to adapt your factory fuel system to -6 AN lines. This set is designed for enthusiasts upgrading to aftermarket fuel rails or hoses on 2004-2016 WRX STI models.

These COBB adapters convert key factory connections to the common -6 AN standard, making line routing and component selection straightforward. The black finish offers a clean look under the hood, while the precise fit helps ensure a solid, leak-tight interface when installed correctly. Sold as a set of two to cover typical feed/return needs, they integrate neatly with popular fuel system upgrades.

Features

• Direct -6 AN adapter fittings for 2004-2016 WRX STI
• Black finish for a clean engine bay appearance
• Set of 2 fittings for common feed/return use
• COBB design for accurate fitment
• Supports upgrades using -6 AN hoses and rails

Have questions or need guidance on your build? Call our team—installation and customization services available at our Austin, Texas and Los Angeles, California area locations: 512-982-9393 (TX), 562-981-6800 (CA).

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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