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Regular Price: $449.95 - Instant discount: $22.50 = $427.45
Fitment Information
2022-2026 Subaru WRX
Features
For the ultimate in engine protection, Radium Engineering recommends this Dual Catch Can Kit, which utilizes both the "PCV" and "CCV" catch can kits.
The PCV catch can kit runs inline between the PCV valve and the intake manifold and promotes clean filtered air back into the engine. When the intake manifold pressure is close to or greater than atmospheric pressure, the PCV "check" valves close and, thus, this hoses experience no flow. Conversely, the PCV hoses will experience "metered" vacuum when the engine is idling, steady state cruising, and decelerating. This would normally draw unwanted crankcase vapor, unspent fuel, and oil sludge into the intake manifold immediately after a high load run.
The CCV catch can runs inline between the crankcase vent (CCV) port and the turbo inlet pipe, allowing it to retain factory functionality. At low loads, it experiences atmospheric pressure. However, when the engine is at high load (WOT), the line will experience high flow from the crankcase into the intake system. This would normally lead to oil and sludge accumulation in the air filter intake pipe. The CCV catch can captures this and promotes clean filtered air back into the intake.
Radium Engineering catch cans feature:
These kits mount using factory holes and integrate perfectly with the surrounding components. They do NOT vent to atmosphere (VTA), thus are emissions and track legal. Closed loop systems remove the oil and sludge from the PCV gasses before it is routed to the engine to be burned. A closed loop system also promotes negative crankcase pressure for optimal performance. Furthermore, closed systems prevent unwanted oil vapors from entering the cabin. The dipsticks built into the catch cans allow easy inspection of accumulated fluid. No cutting, drilling or permanent modifications are required.
What is included?
Notes
1. The PCV catch can kit does not require an extra inline check valve since Radium catch cans are pressure sealed.
2. The CCV catch can kit does NOT address blow-by from the PCV side of the crankcase.
Install Note
The CCV kit is compatible with the OEM air duct. The PCV catch can mounts to threaded bosses on the ABS unit. Permanent modifications are not required.
Love the fit and finish of this kit. Install takes time. Measure twice, cut once. Also watch a youtube video on the install.
Install very straight forward after watching install Video.
This was an easy install following Cody's video and instructions linked on Radium's site.
Hardest part was removing the PCV hose clamp on the PCV valve.
Get a cheap PVC cutter from the hardware store to make clean cuts on the hoses.
Just a few comments on installation, 23 VB WRB. followed street inspireds video. ( Its worth some criticism that the only good documentation on the install is some guys YouTube lol, but he did a good job it shows everything in detail)
And before I b_tch and moan about the pain points of the install I want to say the cans, and hardware provided is all very high quality and it looks awesome under the hood.
removing the OEM PCV hose from the intake manifold I found to be very difficult. I could not pull it off by hand, as shown in the video i used a pair of channel locks and was able to remove it, but the hose surface was damaged a bit from doing this.
when routing the PCV hoses to the catch can under the TMIC, be sure to leave enough hose to allow them to droop below the aluminum tubing(assume it is AC lines) near the fire wall. I cut the supplied hose in half, and then for final fitment cut ~5inches off of both. I would have liked one more inch to make the TMIC installation easier. it did however fit.
on the CCV side the hose routed from the crank case to the catch can is a tight fit, as recommended in the video(and I cannot imagine another way to route it) I routed it behind the charge pipe, and then between charge pipe and radiator hose. to the catch can, this is a tight right angle for such a size of hose. it took a few tries and some elbow grease to get the hose to not have a noticeable kink in it. measure thrice and cut once on this step.
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