Mishimoto 2013+ Ford Focus ST/2016+ Focus RS Aluminum Expansion Tank - Black Key Machined from a high-quality thermal-resistant

Machined from a high-quality thermal-resistant polymer

Rigorous testing determined core style

Direct fit for 2003-2006 Nissan 350Z 3

• Base pressure adjustable from 30-70 psi

Smooth bends with increased piping improve horsepower and torque

Mishimoto 2013+ Ford Focus ST/2016+ Focus RS Aluminum Expansion Tank - Black Key Machined from a high-quality thermal-resistantAdd some reliability and engine bay styling to your Focus RS ST with the Mishimoto RS ST expansion tank. This tank features internal baffles to prevent coolant starvation from overflow ports on the engine. Also, during high speed cornering, braking, and acceleration, the internal baffles reduce coolant sloshing. The engineers at Mishimoto have included a sight tube to allow for proper observation of hot and cold coolant levels, making engine