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Diablosport Oil Catch Can for 11-14 Jeep Grand Cherokee with 5.7L

Piston engines produce pressure in the crankcase (basically the lower half if you picture from the crankshaft down) as the pistons pump up and down. If that pressure were to build it can reduce ring seal, hence the purpose of the ventilation system. Because of emissions reasons, however, that pressure cannot be vented to the atmosphere, so the manufacturers have to route it into the intake manifold so that it can be burned in the combustion chamber. The gasses from the crankcase carry emulsified oil that coats the intake runners (producing that sludge you see when you remove the manifold on a high-mileage engine) and degrades the octane of the atomized fuel entering the combustion chamber. In other words, it's killing the octane rating on that big tank of premium you just paid for.

Any engine can benefit from a CatchCan.

  • Keep your Engine Clean
  • Avoid Spark Detonation
  • Make Better Performance
  • Easy Catch/Dump for Excess Oil

The Diablo Catch Can is easy to install and comes with all of the pieces you need to get it on your ride- it includes:

  • Oil Resistant PCV Hoses
  • Vehicle Specific Mounting Hardware
  • Necessary Fittings
  • Easy to follow instructions

The CatchCan is made in the USA from Billet Aluminum, meaning it's high quality and long lasting!

  • Ridged Bottom For Easy Grip
  • Custom Machined
  • Dual Top Chamber
  • Sealed O-Ring (No Leaks)
Installation Notes
Installation Difficulty:
Level 2Intermediate
Installation Time: Less than an hour
Parts Included

Catch Can
Mounting Hardware
Hoses & Fittings

  • Engine Size: 5.7L V-8 Hemi
  • Engine Fuel: Gasoline
  • Jeep Grand Cherokee (WK2)

  • 2014 Jeep Grand Cherokee (WK2)
  • 2013 Jeep Grand Cherokee (WK2)
  • 2012 Jeep Grand Cherokee (WK2)
  • 2011 Jeep Grand Cherokee (WK2)