Modern vehicles feature direct injection, which is great for creating an efficient burn and saving fuel but allows for carbon buildup on the intake valves. As blow-by flows over the intake valves, oil and carbon deposits can build up, impeding airflow and eventually preventing the valves from closing. The best way to treat carbon buildup is to prevent it, and that's where Mishimoto Baffled Oil Catch Cans come in. The Mishimoto catch can kit diverts blow-by away from the intake and traps it in the catch can. Inside the can, a set of air turbulators and baffles separate fuel, oil, and water vapors from the crankcase gasses and collects them to be drained next time you change your oil. By not returning the blow-by to your oil pan, this kit prevents fouling of the oil that could reduce its effectiveness, leading to accelerated engine wear. Finally, a sintered bronze filter removes any remaining carbon from the crankcase gases so that only clean air returns to your intake. | Mishimoto Baffled Oil Catch Can MMBCC-F35T-15SBE