Add to Cart JLT Performance JLT Rear Axle Expansion Tank - 2011-2014 Ford Mustang MSRP: $119.00 You save A must for auto X and Road course cars During hard racing the fluid in the rear end heats up and expands. Combine that with extreme cornering and the fluid can spit out of the factory breather vent and all over the track. With our Expansion take, the... Add to Cart Compare