GrimmSpeed 08+ WRX/STi AOS User Manual
Grimmspeed air/oil separator
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GrimmSpeed Air/Oil Separator
Installation Instructions
Subaru 08+ WRX / ALL LGT Application
Manual 300020 RevB
All GrimmSpeed products are intended for Off-Road use only. Park your vehicle
on a level surface. Fully engage the parking brake and put wheel stops on the
front and rear wheels to keep the vehicle from rolling.
Warning (read before installing):
Before moving forward with the setups outlined below, insure that you have
the experience to properly modify your car. If not, please consult a
professional. Without a proper install you could possibly damage your engine.
Under no circumstances is the GrimmSpeed Air/Oil Separator to be used in any
applications where failure of the AOS to operate as intended could jeopardize
the safety of the operator or any other person or property.
NOTE:
Our recommended method of installation retains the factory PCV valve.
Contents:
(1) AOS unit
(3) AOS Hose Fittings
(1) ½” to ½” to ½” Tee Hose Connector
(4) ½” to 5/8” Hose Connector
(1) 5/8” to 5/8” 90 Degree Elbow Hose Connector
(1) 5/8” Hose Cap
(1) 5/8” Hose Plug
(1) 1/2" Hose Cap
(1) 1/2" Hose Plug
(1) 8ft of ½” Hose
(1) 1ft of 3/8" Hose
(1) 1ft of 5/8” Hose
(20) Zip-ties