



CPIN1623
Custom-developed to our exact specifications, this compact breather filter has high-quality filtration element and a robust aluminum & rubber body.
Its purpose is to stop snow/ice/dirt/mud from collecting and plugging your breather tube (this can result in pressure buildup and major oil leaks through the valve cover seal), while ensuring your valvetrain can still vent any positive pressure. Another advantage of this solution is that any oily sludge buildup is not reentering the engine via the intake; this can happen over time or all at once if your bike ends up upside down.
Attach this to the end of the PCV vent breather tube (a rubber line usually coming off the top of your cylinder head at/near the valve cover) with the provided clamp, and secure (typically to the frame) with the zip tie. Make sure it is the lowest point of the line, so any vented oil-water mixture (or natural condensation) can flow down and seep through the filter over time, rather than collecting in an unintentional "p-trap". Make sure the filter is not in direct snow spray (you can cut the breather line if you need to). (And yes the filter is beneficial to run all year round).
It's a near-universal item in the dirtbike/snowbike context. One option has a 1/2" first diameter and 3/4" for the second step, and the other option is 1/4" and 3/4". Please measure the ID of your breather line to ensure you choose the appropriate option.
This is a filter only. See the whole intake kit here. This is included in many intake kits.
Shipping of motorcycle units is only allowed for specific cases. Please contact our sales team to check eligibility and payment process.
New and unused items within the first 10 days of delivery can be exchanged or refunded. Items must be returned with all manufacturer’s packaging and placed inside an external shipping box.
Important: Anything sent back to us without an external shipping box is breaking our refund/exchange policy and will be sent back to sender without a refund.
Any merchandise which has been “taken out for a ride” is considered used and cannot be returned. We encourage you to walk on your carpet if trying boots, or to wear your helmet indoors before heading out on the bike.
Any part which has been installed or shows signs of attempting to be installed on a vehicle is non-returnable.
The cost for return shipping is a flat $25 + tax and will be deducted when we issue your refund.
If you’d like to make an exchange, you will need to place a second order for the new item.
Certain conditions and exceptions can be applied to our return policy. If you're unsure if your product qualifies, give us a call. There are certain items that we cannot accept as returns. These include:
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