Skip to content

Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit

Marsoni M251S
Sale price$213.97
Pay 4 payments of $53.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Radium Engineering 2015+ Subaru STi Air Oil Separator-Return KitThe Radium air oil separator traps blow by oil before it can be sent back to the induction system. The collected oil is heated by the AOS to remove moisture, then allowed to drain back into the engine block, making this a zero maintenance system. Installation is done using factory mounting points. All required hardware, hoses and other items are included in the kit. This Part Fits: Year Make Model Submodel 2015 2020 Subaru WRX STI Base 2015 Subaru WRX
Easy Shipping

Quick Dispatch:

Your Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit ships.

Need Help?
Questions about Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 689 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
ray odell,
Los Angeles, US
★★★★★ 5
I wish Izod still had this product in the darker olive from their line that i love.
Size: 32W x 32L, Color: Griffen
Size and fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
M
Verified Purchase
Marie
San Leandro, US
★★★★★ 5
IT LOOKS AS SHOWN
Size: 36W x 30L, Color: Navy
comfortable and look good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
W
Verified Purchase
Weiner
Lake Worth, US
★★★★★ 3
Fit is large
Size: 38W x 30L, Color: Navy
Size is larger than actual. Not the same as the Kohl's version
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
K
Verified Purchase
Kindle Customer
Lowell, US
★★★★★ 5
Great pants
Size: 34W x 30L, Color: Khaki
Great and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
R
Verified Purchase
ray odell,
Carnegie, US
★★★★★ 5
I wish Izod still had this product in the darker olive from their line that i love.
Size: 32W x 32L, Color: Griffen
Size and fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026

recommand products