If you are running a larger aftermarket radiator this coolant expansion tank will help to keep your S550 cooler when pushing it on the track.

Also a lot of people don't appreciate the look of the OEM tank, and Steeda give you  some more style and a great looking clean engine bay.

Product Benefits:

• Direct bolt-in replacement
• Fabricated aluminium for strength, plastic tanks may fail after repeated high heat situations
• Built in Window to Check Levels
  
• Uses factory vented cap, bleeds pressure like the factory intended
• Billet aluminium neck has a built-in overflow
• Integral billet aluminium hose fittings are better looking and less troublesome than screw in fittings
• As used in our Q Series Builds!
• Usually in stock

Fitment: S550 Mustang - all