FREE Ground Shipping on orders $99+ on UPR manufactured parts!



Free Ground Shipping on UPR Manufactured Products (orders over $99)
Free Ground Shipping on UPR Manufactured products within the 48 Contiguous United States. Order subtotal must meet or exceed $99 in order to qualify for this free shipping offer.
UPR Clean Side Separator (CSS):
This Clean Side Catch Separator is especially beneficial to modified vehicles with added Superchargers or Turbo kits. As crankcase pressure builds up under BOOST, it will be forced out of the driver side valve cover fitting. This clean side separator will still allow clean air to enter the crankcase as the factory intended, but will catch oil and impurities when crankcase pressure is high, preventing that gunk from getting into your cold air kit and throttle body. Once normal driving resumes, the Clean Side Separator will allow the oil mist to return to the crankcase. Tall CSS will have more capacity but may cause clearance issues. Short CSS has more clearance but less capacity.
Made in the USA!
Q & A
Question: What is the problem with your PCV system?
Answer: The Positive Crankcase Ventilation (PCV) system is used to recycle the gases that leak or "blow-by" the your engines piston rings and create a positive pressure in the crankcase. By venting these gases along with oil mist/vapor from the crankcase and route it back into the intake manifold so it can be burned off
This is a poor fix from automobile manufacturers, because over time the excess oil vapor collects along the inside of the intake tract and forms a "sludge". This leads to a variety of issues including carbon build up, retarded timing, detonation, power loss and even engine failure.
UPR s fix for the PCV system used on many engines for reducing toxic gases from being released into the atmosphere and eliminating positive crankcase pressure / Blow-By.
I previously ordered this from another vendor, but making sure I leave my comments where they belong. I’m no stranger to catch cans and oil separators, and I can firmly say that this unit is an amazing example of why UPR leads the competition. Everything from the precise milling of the components, attention-to-detail and the Continental hoses (far superior to the cheap, stiff OE hoses) really make these catch cans stand out. The multi-stage filtration media is also high quality, seeing up-close. Also, the location of how this particular unit mounts is very thoughtful and clever - you can tell UPR has some great engineers and designers on the team. Coupled with the fact that these (along with their other aluminum products) are made with domestically-sourced bar stock, that is just icing on the cake. I’ve got other UPR products on my Mustang, and I’m very happy and proud to have them!
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