Upgrade your 2022-2024 Subaru BRZ or Toyota GR86 cooling system with the CSF Racing Aluminum Radiator Filler Neck. This premium replacement part is crafted from durable aluminum, designed to replace the fragile plastic OEM filler neck and provide enhanced longevity and performance. Its mirror-polished finish adds a sleek look to your engine bay while ensuring corrosion resistance.

The filler neck features 100% TIG welding for superior strength and a high-pressure 1.4bar “mini style” radiator cap embossed with the CSF logo, supporting high-performance cooling setups. It offers a direct drop-in fit for easy installation in under five minutes, requiring no modifications. Compatible with various aftermarket radiator caps, it’s ideal for enthusiasts seeking reliable cooling upgrades for daily driving or track use.

Perfect for Subaru and Toyota enthusiasts focused on quality and performance, this filler neck delivers both style and function. Trust Subimods for expert support and fast delivery when upgrading your BRZ or GR86’s cooling system. Shop now to enhance your vehicle’s reliability and appearance.