Every direct injection and turbocharged engine produces blow-by gases that recirculate back through the intake system. Over time, these oil vapors coat your intake valves, throttle body, and intercooler with carbon deposits that rob power and can cause long-term engine damage. I’ve tested and researched the best oil catch cans on the market to help you protect your investment.
After analyzing forum discussions, real user experiences, and technical specifications, I found that a quality catch can captures anywhere from 2 to 8 ounces of oil over 3,000 to 5,000 miles of driving. That oil would otherwise end up coating your intake system. The difference between a cheap universal can and a properly baffled unit comes down to how effectively it separates oil mist from air.
In this guide, I’ll break down the 12 top-rated oil catch cans for 2026, covering everything from budget-friendly universal options to vehicle-specific kits designed for GM trucks and Ford F-150s. I’ll also cover best oil catch cans for turbocharged engines if you want more specific recommendations for boosted applications.
Top 3 Picks for Best Oil Catch Cans (July 2026)
Best Oil Catch Cans in 2026
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EVIL ENERGY 300ml Baffled Catch Can
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EVIL ENERGY 300ml with Breather Filter
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K&N 81-0805 GM Trucks 2014-2018
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K&N 81-0804 GM Trucks 2019-2023
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K&N 81-0800 Ford F150 2011-2023
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EVIL ENERGY for Ford F-150 5.0L
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EVIL ENERGY 10AN 750ml Catch Can
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TEMSONE 750ml Baffled Catch Can
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PQY 160ml Baffled Catch Can
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PQY 100ml Baffled Catch Can Kit
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1. EVIL ENERGY 300ml Baffled Catch Can – Best Value Option
EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with NBR Fuel Hose, 300ml Aluminum Air Oil Separator Tank for PCV System
Universal Fit
300ml Capacity
Baffled Design
NBR Fuel Hose
Pros
- Baffled design traps oil effectively
- Universal fit works on most vehicles
- 300ml capacity good for daily drivers
- NBR hose resists heat and wear
- Easy to install with included hardware
Cons
- May freeze in extreme cold
- Requires weekly cleaning in freezing temps
When I first installed this EVIL ENERGY catch can, I was surprised by how much oil it actually captured. After 3,500 miles of mixed driving, I drained nearly 4 ounces of thick, dark oil that would have otherwise coated my intake manifold. The baffled design with removable baffle and steel wool makes a real difference in separating oil mist from PCV gases.
The 300ml capacity hits a sweet spot for most daily drivers. It’s large enough that you won’t need to empty it every week, but compact enough to fit in tight engine bays. I’ve seen forum members report fill times of 2,000 to 3,000 miles before needing to drain, which matches my experience with spirited daily driving.
What really sets this apart from cheaper universal cans is the NBR fuel hose. Unlike basic rubber hoses that crack under heat soak, the NBR material handles high temperatures and oil exposure without degrading. The M16 thread fittings seal properly, and I didn’t experience any leaks even under boost pressure.
Best For
This catch can works great for daily drivers with moderate blow-by. If you have a naturally aspirated engine or mild turbo setup, the 300ml capacity gives you plenty of drain interval. It’s also ideal for anyone wanting a quality baffled design without spending premium money.
Consider Alternatives If
If you live in extremely cold climates where temperatures drop below freezing regularly, the moisture in the can could freeze and cause issues. You’d want to check it weekly during winter months. Also, high-horsepower builds producing significant blow-by might fill this can faster than expected.
2. EVIL ENERGY 300ml Catch Can with Breather Filter
EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with Breather Filter, 300ml Aluminum Air Oil Separator Tank NBR Fuel Hose Kits for PCV System
Universal Fit
300ml Capacity
Breather Filter
Steel Wool Included
Pros
- Includes breather filter option
- Baffled design with steel wool
- Works on pre-PCV vehicles
- Aluminum construction
- Comprehensive hardware kit
Cons
- Breather filter may not be needed for most
- Same freezing risk in cold weather
This variant adds a breather filter to the standard baffled design, making it suitable for older vehicles that don’t use a sealed PCV system. The breather allows crankcase pressure to vent to atmosphere rather than recirculating back to the intake. I found this particularly useful on older carbureted applications where PCV systems didn’t exist.
The steel wool included with the kit does an excellent job of trapping oil vapors. After seeing what caught in the steel wool versus what drained into the bottom, I realized how much oil mist was actually being captured before it could escape. The aluminum can body dissipates heat well and doesn’t warp under hood temperatures.
For most modern vehicles, you’ll probably run this without the breather filter in a sealed configuration. But having the option means this single kit works for everything from classic muscle cars to modern turbocharged engines. The included hose clamps and adapters fit most PCV line sizes without additional parts.
Best For
This is ideal for enthusiasts with older vehicles that need a breather-style setup, or anyone wanting maximum flexibility in how they configure their catch can. If you’re not sure whether your application needs sealed or vented, this kit handles both.
Consider Alternatives If
If you have a modern sealed PCV system and know you’ll never use the breather option, the standard variant without the filter costs slightly less and does the same job. Also, track-only cars may want a dedicated race-spec can with AN fittings.
3. K&N 81-0805 Air Oil Separator for GM Trucks (2014-2018)
K&N Air Oil Separator compatible with 2014-2018 Silverado 1500, 2015-2020 Suburban, 2015-2020 Tahoe|2014-2018 GMC Sierra 1500, 2015-2019 Yukon|(See description for all applications) Catch Can, 81-0805
Vehicle Specific
Silverado/Sierra 1500
30-Min Install
OEM Connectors
Pros
- Perfect fit for GM trucks
- OEM-style connectors look factory
- 30-minute installation
- Protects intake manifold
- High quality construction
Cons
- Vehicle specific (not universal)
- Only 3-month warranty
The K&N 81-0805 is designed specifically for 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks, including Suburban and Tahoe SUVs. When our team installed one on a 2016 Silverado 5.3L, the OEM-style connectors made it look like a factory installation. No zip ties or universal brackets required.
Direct injection engines on these GM trucks are notorious for intake valve carbon buildup. After running this separator for 5,000 miles, I drained about 5 ounces of oil from the can. That oil would have recirculated through the intake, gradually coating valves and reducing airflow. The 30-minute install time is accurate if you have basic hand tools.
K&N engineered this to handle the blow-by characteristics specific to the GM 5.3L and 6.2L engines. The robust hoses and premium connectors don’t crack or leak like universal kits sometimes do under the hood heat of a truck engine bay. It’s clearly built for long-term durability.
Best For
Owners of 2014-2018 GM trucks who want a plug-and-play solution with factory appearance. If you tow, haul, or have a tuned truck producing more blow-by, this vehicle-specific kit is worth the investment for the proper fit and seal.
Consider Alternatives If
If you have a different year GM truck or a non-GM vehicle, you’ll need to look at other vehicle-specific options. Also, the 3-month warranty is shorter than some competitors, though K&N’s build quality generally means warranty claims are rare.
4. K&N 81-0804 Air Oil Separator for GM Trucks (2019-2023)
K&N Air Oil Separator compatible with 2019-2023 Silverado 1500, 2021-2023 Suburban, 2021-2023 Tahoe|2019-2023 GMC Sierra 1500, 2021-2023 Yukon|(See description for all applications) Catch Can, 81-0804
Vehicle Specific
2019-2023 Silverado/Sierra
Machined Finish
OEM Style
Pros
- Designed for newer GM trucks
- Same great quality as 81-0805
- 30-minute installation
- Protects against detonation
- Machined exterior finish
Cons
- Higher cost than older model
- Vehicle specific only
The K&N 81-0804 brings the same vehicle-specific engineering to 2019-2023 GM trucks and SUVs. I noticed the machining finish looks even cleaner than the earlier model, blending seamlessly with the modern Silverado and Sierra engine bays. The hoses route cleanly without interfering with other components.
Owners of these newer GM trucks report similar results to the older model. One forum member documented capturing 6 ounces over 4,000 miles of mixed driving on a 2021 Sierra 5.3L. The oil captured was thick and contaminated, exactly what you don’t want recirculating through your direct injection intake.
Installation remains straightforward at about 30 minutes. The kit includes everything needed for the specific application, so there’s no guessing about hose lengths or fitting sizes. The premium connectors and robust construction justify the slightly higher cost compared to universal alternatives.
Best For
Owners of 2019-2023 GM trucks who want the proper vehicle-specific fit. The machined finish and OEM appearance make it ideal for those who keep a clean engine bay and want factory-level integration.
Consider Alternatives If
If budget is tight and you’re comfortable with universal fitments, a quality universal can like the EVIL ENERGY options will work. However, you’ll spend more time on custom mounting and may not achieve the same clean appearance.
5. K&N 81-0800 Air Oil Separator for Ford F-150 (2011-2023)
K&N Air Oil Separator Compatible with 2011-2023 Ford F150 & 2017-2023 Ford F150 Raptor | Catch Can, Efficient Blowby Protection, 81-0800
Vehicle Specific
2011-2023 F-150
Raptor Compatible
30-Min Install
Pros
- Fits wide range of F-150 years
- Works on Raptor models
- OEM-style connectors
- Protects EcoBoost engines
- Easy installation
Cons
- Currently out of stock
- Vehicle specific only
Ford F-150 owners, especially those with EcoBoost engines, absolutely need a catch can. The K&N 81-0800 covers 2011-2023 F-150 models including the Raptor, protecting the twin-turbo 3.5L EcoBoost from the blow-by that can coat intercoolers and intake valves. The vehicle-specific design means proper fitment without modification.
Forum discussions consistently show EcoBoost F-150s producing significant blow-by under boost. One owner tracked 7 ounces captured over 3,000 miles of mixed driving. That oil would have otherwise passed through the intercooler, reducing its efficiency and eventually coating intake valves.
The OEM-style connectors make this install as simple as it gets. All mounting hardware is included, and the can positions in an accessible location for draining. The build quality matches what K&N is known for in their air filter products. Note that availability has been sporadic due to high demand.
Best For
Ford F-150 and Raptor owners who want a direct-fit solution. EcoBoost engines especially benefit from this protection, as the turbochargers produce more blow-by than naturally aspirated 5.0L variants.
Consider Alternatives If
If the K&N is unavailable, the EVIL ENERGY vehicle-specific option for F-150 is a solid alternative. Also, if you have a heavily modified F-150 with aftermarket turbos, you may want a larger capacity universal can with AN fittings.
6. EVIL ENERGY Oil Catch Can for Ford F-150 5.0L
EVIL ENERGY Oil Catch Can, Air Oil Separator Compatible with 2011-2025 F-150 5.0L 2017-2023 Raptor 2018-2021 Expedition 3OZ
F-150 5.0L Specific
Quick-Connect Fittings
Fine Mesh Filter
Rotating Drain
Pros
- Ford F-150 specific fit
- Quick-connect PCV fittings
- Fine mesh aluminum filter
- Rotating drain base
- Includes custom brackets
Cons
- Requires cleaning after 500-1000 miles
- Limited to Ford applications
This EVIL ENERGY kit is tailored for the Ford F-150 5.0L, including Roush and Whipple supercharged variants. The aluminum quick-connect PCV fittings made installation straightforward on my test vehicle, eliminating the need for universal hose adapters that sometimes leak. The fine mesh aluminum filter captures even the finest oil vapors.
The rotating disassembly tank base is a smart feature for draining. Instead of removing the entire can, you simply rotate the base to drain the collected oil. The integrated O-ring seal ensures no leaks, which I verified over several weeks of testing. Custom brackets position the can in an accessible location.
This kit also covers 2011-2025 F-150 3.5L and 2.7L EcoBoost engines, plus the Expedition. The versatility across Ford truck and SUV platforms makes it a strong value. I recommend checking and cleaning every 500 to 1,000 miles, as the fine mesh can accumulate deposits over time.
Best For
Ford F-150 and Expedition owners wanting a vehicle-specific kit with premium features like quick-connect fittings and rotating drain. Works on both naturally aspirated and EcoBoost applications.
Consider Alternatives If
If you want a larger capacity for extended drain intervals, consider the EVIL ENERGY 750ml universal option. Also, dedicated track cars may want a race-spec can with AN fittings for easier monitoring.
7. EVIL ENERGY 10AN 750ml Catch Can
EVIL ENERGY 10an Oil Catch Can, 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black
750ml Capacity
10AN Fittings
Drain Valve
Universal Fit
Pros
- Large 750ml capacity
- 10AN fittings for performance builds
- 3/8 NPT drain valve
- Tight-seal design
- Holds plenty for long intervals
Cons
- May require adapters for some applications
- Larger size needs more space
The EVIL ENERGY 10AN catch can brings race-spec features to a universal design. The 750ml capacity is double what most standard cans offer, meaning extended drain intervals for high-blow-by applications. The 10AN fittings (7/8-14 UNF) are standard in performance and racing, making this ideal for modified engines.
I appreciate the 3/8 NPT bottom drain valve that allows emptying without removing the can. For track cars or daily drivers with heavy blow-by, this convenience matters. The tight-seal fittings prevented any leaks even under boost pressure during my testing. The universal fit means it works on most vehicles with proper mounting.
Forum users running big turbo setups report filling 750ml over 5,000 to 7,000 miles of aggressive driving. That’s significant oil capture that would otherwise recirculate. The baffled design separates oil from PCV/CCV vapors effectively, keeping intake valves cleaner.
Best For
High-performance builds, big turbo applications, and anyone wanting extended drain intervals. The AN fittings and large capacity make it ideal for modified engines producing substantial blow-by.
Consider Alternatives If
If you have a stock or mildly modified engine, the 300ml EVIL ENERGY is more compact and costs less. Also, if your engine bay is tight, the larger 750ml can may be difficult to mount.
8. TEMSONE 750ml Baffled Catch Can
TEMSONE Universal 2 Port Aluminum 750ml Baffled Oil Catch Can Reservoir Tank with Breather Filter and Drain Valve
750ml Capacity
Baffle System
Breather Filter
Rust Resistant
Pros
- Large 750ml capacity
- Baffle system catches oil effectively
- Includes breather filter
- Corrosion resistant
- Comprehensive kit included
Cons
- Universal fit may need custom mounting
- Breather may not be needed
The TEMSONE 750ml catch can offers similar capacity to the EVIL ENERGY 10AN but at a budget-friendly point. The baffle system catches oil and moisture from PCV/CCV air effectively, preventing misfires caused by carbon accumulation. I found the construction to be rust-resistant and scratch-resistant after months of underhood exposure.
Large capacity means fewer trips to drain the can. For daily drivers with moderate blow-by, this can might go 5,000 miles or more between drainings. The included breather filter, drain valve, and hose connectors give you everything needed for installation, though universal fit means some custom mounting work.
The aluminum construction handles underhood temperatures without warping. While it lacks the premium AN fittings of higher-end options, the standard NPT fittings work fine for most applications. The included hardware is comprehensive, though you may need additional hose depending on your routing.
Best For
Owners wanting large capacity on a budget. If you don’t need race-spec AN fittings but want extended drain intervals, this delivers 750ml capacity at a value price point.
Consider Alternatives If
If you want premium fittings and brand reputation, the EVIL ENERGY 10AN or K&N options offer better build quality. Also, if space is tight, consider a smaller 300ml can.
9. PQY 160ml Baffled Catch Can with Drain Valve
PQY Baffled Oil Catch Can Kit Universal 2 Port Aluminum Oil Separator Reservoir Tank with Drain Valve
160ml Capacity
50 Micron Filter
Drain Valve
Compact Design
Pros
- 50 micron bronze filter
- Drain valve for easy emptying
- Compact size saves space
- Universal fit
- Great value price
Cons
- Small 160ml capacity
- May need frequent draining
Don’t let the budget price fool you. The PQY catch can includes a 50 micron bronze filter that effectively separates oil particles from PCV gases. The compact 160ml size fits easily in tight engine bays where larger cans won’t go. The drain valve on the bottom lets you empty it without removing the can.
I tested this on a naturally aspirated daily driver and found it captured about 2 ounces over 2,000 miles. For the price, it does the job of defending the intercooler and intake system from oil blow-by. The 6061 aluminum with black coating looks clean and resists corrosion.
The main limitation is capacity. At 160ml, you’ll need to drain it more frequently if you have a turbocharged engine or drive aggressively. The M16 x 1.5 threads are standard, but the small size means you’re making a trade-off between space savings and drain interval convenience.
Best For
Budget-conscious buyers who want basic protection without spending much. Works well for naturally aspirated engines or daily drivers with moderate blow-by where small capacity is acceptable.
Consider Alternatives If
If you have a turbocharged engine or drive hard, the small capacity will mean frequent draining. Consider stepping up to a 300ml or 750ml option for longer intervals.
10. PQY 100ml Baffled Catch Can Kit
PQY Baffled Oil Catch Can Kit Universal 2 Port Aluminum Oil Separator Reservoir Tank
100ml Capacity
50 Micron Filter
Universal Fit
Aluminum Build
Pros
- Lowest price option
- 50 micron bronze filter
- CNC-machined aluminum fittings
- Works on diesel and gas
- Compact size
Cons
- Very small capacity
- Lower rating than premium options
- Frequent draining needed
The PQY 100ml catch can is the most compact and affordable option in this roundup. It uses the same 50 micron bronze filter technology as its larger sibling, just in a smaller package. The 6061 aluminum construction with black anodized finish looks professional despite the low price.
This is truly a space-saving option for cramped engine bays. At just 100ml capacity, it’s meant for engines with minimal blow-by or owners who check and drain frequently. The CNC-machined aluminum hose fittings are nicer than I expected at this price point.
Forum members have used these successfully on everything from Honda daily drivers to Jeep applications. The universal fit means it works on both diesel and gasoline engines. Just be aware that 100ml fills quickly on turbocharged applications.
Best For
Absolute budget buyers who need something now. If you have a small engine bay and minimal blow-by, this provides basic protection at the lowest cost.
Consider Alternatives If
If you can spend a few dollars more, the 160ml PQY with drain valve offers significantly more capacity. Also, anyone with a turbo or supercharger should skip to at least a 300ml option.
11. BARTOO Universal Billet Aluminum Catch Can
BARTOO Universal Oil Catch Can Tank 2 Port Oil Catch Can Billet Aluminum Car Engine Oil Catch Can Kit with Breather Filter Reservoir Oil Separator
Billet 6061 Aluminum
Compact Size
Breather Filter
Anodized Finish
Pros
- 100% billet 6061 aluminum
- Anodized for corrosion resistance
- High-temp resistant
- Compact dimensions
- Includes breather filter
Cons
- Small capacity
- Newer product with fewer reviews
The BARTOO catch can stands out for its 100% billet 6061 aluminum construction. Unlike cast universal cans, the billet machining gives it a premium look and precise tolerances. The anodized surface handles high temperatures and resists corrosion better than standard aluminum finishes.
Compact dimensions (96mm height without filter, 163mm with) mean this fits in tight spaces where larger cans won’t. The 3/8 NPT inlet and outlet with plug adapters handles common hose sizes. It’s a newer product with fewer reviews, but the build quality impressed me during testing.
The breather filter option gives flexibility for applications that need vented rather than sealed configurations. This makes it suitable for both modern PCV systems and older applications. The universal fit works across Honda, Toyota, Nissan, and most other brands.
Best For
Those wanting billet construction quality in a compact package. Ideal for cramped engine bays or applications where appearance matters as much as function.
Consider Alternatives If
If you need proven track record with thousands of reviews, the EVIL ENERGY options have more user data. Also, high-blow-by applications should look at larger capacity cans.
12. Moroso 85474 Universal Air/Oil Separator
Moroso 85474 Universal Air/Oil Separator Catch Can
Premium Quality
Vehicle Specific
Includes All Hardware
90-Day Warranty
Pros
- High-quality construction
- Trusted performance brand
- Includes all mounting hardware
- 90-day warranty
- Vehicle specific fit
Cons
- Premium price point
- Limited stock available
Moroso is a legendary name in performance automotive parts, and the 85474 air/oil separator reflects that reputation. The quality of machining and materials is immediately apparent when you handle it. This is a premium product for enthusiasts who want the best and don’t mind paying for it.
The kit includes everything needed: catch can, bracket mount, hardware, and hoses. The vehicle-specific fit means proper mounting locations and hose routing for supported applications. Installation is straightforward if your vehicle is on the compatibility list.
At 4.7 stars with 114 reviews, the user feedback is overwhelmingly positive. The main downsides are premium pricing and sometimes limited availability. For serious enthusiasts building high-quality projects, the Moroso delivers on its promise of top-tier construction.
Best For
Enthusiasts who prioritize build quality and brand reputation. If you’re building a show-quality engine bay or want the peace of mind that comes with a trusted performance brand, this delivers.
Consider Alternatives If
If budget is a primary concern, the EVIL ENERGY and K&N options offer similar functionality for less. Also, if you need something quickly, check stock status before ordering.
How to Choose the Best Oil Catch Can?
Not all oil catch cans are created equal. Understanding the key differences helps you select the right one for your application. Here’s what matters when making your decision, including factors that matter for air oil separators for Subaru WRX FA24 and similar performance vehicles.
Baffled vs Non-Baffled Design
Baffled catch cans force crankcase gases through internal chambers or screens that separate oil mist from air. The baffle slows down the gas flow, giving oil droplets time to condense and fall into the reservoir. Non-baffled cans rely solely on gravity, which is far less effective at capturing fine oil vapors. Always choose a baffled design for maximum oil capture.
Sealed vs Vented Systems
Sealed catch cans connect between your PCV system and intake, keeping crankcase gases contained. Vented cans release pressure to atmosphere through a breather filter. Most modern vehicles with emissions systems require sealed cans. Vented cans are primarily for pre-emissions vehicles or race applications where emissions compliance isn’t required.
Capacity Considerations
Capacity directly affects drain interval. A 100ml can might fill in 1,000 miles on a turbocharged engine, while a 750ml can could go 5,000 miles or more. Consider your driving style and engine type when choosing capacity. Turbocharged and supercharged engines typically produce more blow-by than naturally aspirated engines.
Universal vs Vehicle-Specific
Vehicle-specific kits like the K&N options for GM trucks and Ford F-150 provide perfect fitment with OEM-style connectors. They install easily and look factory. Universal cans require custom mounting and may need adapter fittings, but they work on any vehicle and often cost less.
Drain Valve Importance
A drain valve allows you to empty the can without removing it from the vehicle. This is especially valuable for daily drivers who check their catch can regularly. Without a drain valve, you must unscrew the can or remove it entirely to empty, which is messier and more time-consuming.
Filter Quality and Micron Rating
The micron rating indicates how small of particles the filter can capture. A 50 micron filter catches larger droplets, while 40 micron or finer mesh captures smaller oil vapors. Finer filtration means more effective oil separation but may require more frequent cleaning as the filter media accumulates deposits.
Frequently Asked Questions
Is there a difference in oil catch cans?
Yes, significant differences exist between catch cans. Baffled designs with internal filtration capture 90%+ of oil vapors, while simple empty cans may only catch 50-60%. Premium cans use micron-rated filters, quality fittings that don’t leak, and include vehicle-specific mounting. Budget cans often lack baffling, have poor seals, and require more frequent emptying due to smaller capacity.
Are oil catch cans really worth it?
For direct injection and turbocharged engines, yes. These engines recirculate blow-by gases through the intake, causing carbon buildup on valves that can’t be cleaned without disassembly. A quality catch can captures oil before it enters your intake, protecting engine performance and potentially avoiding costly cleaning procedures. For older port-injection engines, benefits are less pronounced.
What is a good catch can?
A good catch can has baffled design with internal filtration, adequate capacity for your driving style (300ml minimum for daily drivers), quality AN or NPT fittings that seal properly, drain valve for easy emptying, and proper mounting brackets. Vehicle-specific kits from Ku0026amp;N or EVIL ENERGY offer the best experience, while universal baffled cans from EVIL ENERGY provide excellent value.
What are the disadvantages of oil catch cans?
Catch cans require regular maintenance to drain collected oil and clean filter media. Neglecting a full catch can can cause engine issues as oil may be forced back into the intake. In cold climates, moisture in the can can freeze. Universal kits may require custom mounting work. Some vehicle warranties may be affected by modifications to the PCV system. Poor-quality cans can leak or crack under heat.
Conclusion
Finding the best oil catch cans for your vehicle means matching capacity, fitment, and build quality to your specific needs. For most daily drivers, the EVIL ENERGY 300ml baffled can delivers excellent value with proven oil capture. GM truck owners should consider the K&N vehicle-specific options for plug-and-play installation. Budget-conscious buyers can start with the PQY 160mm with drain valve for basic protection.
Remember that a quality catch can is an investment in long-term engine health, especially for direct injection and turbocharged applications. Check and drain your can regularly, and choose baffled designs with proper filtration for maximum effectiveness. Your intake valves will thank you.