Radium Engineering Dual Catch Can Kit 2013-2014 Shelby GT500The Radium Engineering catch can kits are the most functional and integrated kits on the market. The catch cans mount to the engine using factory holes on the chassis and integrate perfectly with the surrounding components. These two oil catch cans (PCV side and Crankcase side) function completely independent of each other and are sold together. They do NOT vent to atmosphere (VTA), thus are emissions and track legal. Closed loop systems remove the