✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Viral Moroso Air-oil Separator Twin Small Body Top Mount Intercooler Black Subaru 2008-2014 Sti 65% Off - Today Only [ZjA1l90G]

$61.99 $198.99 -69%

General Information*Please note: May not apply to all kitsPlumbed into a vehicle's PCV system to capture the excess crankcase vapors, residual oil mist and moisture from reentering the intake tractVehicles from the factory vent these excess crankcase

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

General Information
*Please note: May not apply to all kits

  • Plumbed into a vehicle's PCV system to capture the excess crankcase vapors, residual oil mist and moisture from reentering the intake tract
  • Vehicles from the factory vent these excess crankcase vapors, residual oil mist and moisture right back into the intake manifold which could cause detonation, oil deposits to form in the intake tract including the valves themselves and from lowering the efficiency of the intercooler in intercooler equipped vehicles
  • Increases engine performance from cleaner intake air
  • Air-Oil Separators have billet aluminum bodies with internal baffling and mesh media
  • Includes heavy duty brass inlet and outlet fittings, Fuel/Emission/PCV Vapor hose, stainless steel mounting bracket and billet aluminum mounting clamp for the body of the separator
  • Some Vehicle crankcase ventilation systems require that 2 Air-Oil Separator bodies be used to properly capture and ventilate the system

 

Moroso Air-Oil Separators are available in 2 sizes, not all kits are available with both size body, please see Air-Oil Separator Application Chart for details

 

Air-Oil Separator Kits, Large Body

  • The original size, 43% more capacity than the Small Body Version
  • Features a bottom drain with elbow that makes draining the collected oil virtually mess-free
  • Polished body can be chromed, painted, or powder coated for a custom look

Air-Oil Separator Kits, Small Body

  • Smaller size fits in more applications and some customers prefer the smaller size body
  • Two piece body unscrews for draining
  • Available with a polished or black anodized finish

What Our Customers Say

January 11, 2026

Absolutely no complaints!

This is a very snappy system with zero perceptible lag.

- Psi_Powered_Up.

January 11, 2026

Absolutely no complaints!

The aesthetic is just what I wanted.

- Eleanor H..

January 11, 2026

Absolutely no complaints!

It's a very well-made product, great for the price.

- Jordan A..

Write a Review

You Might Also Like

Discover more great products from our collection.

KIT,PUMP

KIT,PUMP

(790)
$174.99 $559.99 -69%
Her & His Side

Her & His Side

(391)
$24.99 $79.99 -69%
Cartier W1014558 (1999)

Cartier W1014558 (1999)

(223)
$98.99 $316.99 -69%
H3/W0936

H3/W0936

(797)
$25.99 $83.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY