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Installing the right Scion tC oil catch can can cut down on oily deposits in the intake tract and help maintain engine performance over time. You want a solution that fits the Scion tC, is straightforward to install, and offers durable construction so it stands up to daily driving and regular heat cycles. This guide covers seven shortlisted oil catch cans that meet those goals. We evaluated each option for build quality, mounting and hose routing compatibility, and ease of maintenance to help you pick a catch can that suits your priorities. Read on to see which features matter most and how the candidates compare on the basics.
Looking for other parts? See all Scion tC parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | TEMSONE Universal 2-Port 750ml Baffled Aluminum Oil Catch Can with Breather Filter and Drain Valve |  |
| Most Popular A crowd favorite that many people choose with confidence | AICEL Baffled 300ml Aluminum Oil Catch Can with Breather Filter and Hose Kit |  |
| Best Quality Built to a higher standard if you want something more solid | EVIL ENERGY Air Oil Separator (Oil Catch Can) for 2014–2018 Chevy/GMC 5.3L & 6.2L |  |
| Best Budget The cheapest option that still gets the job done reliably | AOCISKA Aluminum Baffled 300ml Oil Catch Can Kit |  |
| Most Sold A high-volume bestseller chosen again and again | RALZAOTO Oil Catch Can Separator (anodized) |  |
| Best Value for Money The sweet spot between price and what you get | SPEEDWOW Universal Baffled Oil Catch Can Kit, 300ML |  |
| Best Overall The best all-around choice for most situations | EVIL ENERGY Baffled Oil Catch Can Kit with Breather Filter (300 ml) |  |
1. TEMSONE Universal 2-Port 750ml Baffled Aluminum Oil Catch Can with Breather Filter and Drain Valve
| Fit Type | Universal |
|---|---|
| Manufacturer | TEMSONE |
| Capacity | 750 ml |
| Material | Aluminum |
This TEMSONE catch can is a straightforward solution for reducing oil and vapor recirculation into a Scion tC's intake. It installs inline with the PCV/CCV plumbing to trap blow-by using internal baffles and a top-mounted breather filter, and the 750 ml reservoir is large enough to reduce drain frequency on daily-driven cars. The aluminum body looks durable and corrosion resistant, and the included drain valve and hose fittings make routine maintenance easier. Buyers should note the unit is universal rather than vehicle-specific, so you'll need to source correct hose lengths and possibly adapters for a tidy install on a Scion tC. Some users report the brass screen can be restrictive on certain turbo setups, so consider testing flow or modifying the internal element before final fitment. The can does not come with reinforced hoses, and a few reviewers recommended thread sealant for the fittings. For a reliability-focused owner wanting a durable, easy-to-empty catch can for a Scion tC, this delivers practical protection against carbon build-up with a few common-install caveats.
Best for: A reliability-focused driver who prioritizes protecting a Scion tC's intake from oil and carbon buildup and wants a durable, low-maintenance catch can to reduce servicing frequency.
Less Ideal for: Drivers who prefer a vehicle-specific, plug-and-play kit or who do not want to source hoses and adapters for a tidy installation should consider purpose-built Scion tC solutions.
- 750 ml capacity reduces how often you need to empty the can during normal driving
- Baffled internals and breather filter help separate oil and moisture from crankcase vapors
- Aluminum construction resists corrosion and feels durable for long-term service
- Includes drain valve and basic fittings for easier maintenance
- No reinforced hoses included so you must purchase vehicle-specific hose and clamps separately
- Universal fit requires adapters or custom routing to fit the Scion tC neatly
Verdict A durable, high-capacity universal catch can that gives Scion tC owners reliable protection from oil vapor with minimal upkeep but requires buying hoses or adapters for a clean install.
2. AICEL Baffled 300ml Aluminum Oil Catch Can with Breather Filter and Hose Kit
| Material | Aluminum alloy, silicone, stainless steel |
|---|---|
| Capacity | 300ML |
| Adapters included | 6mm, 8mm, 10mm |
| Filter | Breather filter included |
This AICEL baffled oil catch can is a budget-friendly option that traps oil and moisture before they reach the intake, helping reduce carbon and sludge buildup. It is typically mounted inline with the PCV system or used as a sealed reservoir when the breather filter is removed. The can is aluminum with a small internal baffle and comes with a breather filter, multiple adapter fittings (6, 8, 10mm), clamps, O-rings, and a short section of hose so you can adapt it to common vacuum lines. Practical benefits include corrosion resistance, removable bottom for easy draining and cleaning, and the included fittings that save a trip to the parts store. Limitations are the small 300ml capacity, which means more frequent checks on engines with heavy blow-by, and the supplied hose and hardware are basic compared with higher-end kits so you may want to replace them for a more durable install. Some buyers also report needing custom brackets or different hoses for a neat fit.
Best for: A convenience-driven buyer who wants an inexpensive way to reduce intake contamination with a kit that mostly includes what is needed and is easy to install and maintain.
Less Ideal for: Drivers seeking a long-term, heavy-duty solution for high-mileage or boosted engines should consider larger, higher-end kits with thicker hoses and sturdier hardware.
- Aluminum construction resists corrosion and is easy to drain and clean via the removable bottom
- Includes breather filter and multiple adapter fittings (6mm, 8mm, 10mm) for flexible hose connections
- Compact 300ml reservoir captures oil and moisture without major packaging or installation complexity
- Multiple O-rings and clamps included so you can assemble a working system without extra parts
- 300ml capacity is small for engines with heavy blow-by and requires frequent emptying
- Supplied hose and mounting hardware are basic and may need upgrading for long-term durability
- May require custom bracketry or additional vacuum hose for a tidy fit in some engine bays
Verdict A budget-friendly, compact catch can that gives Scion tC owners a simple, convenient way to capture PCV oil and moisture but may need upgraded hose or mounts for a tidy long-term fit.
3. EVIL ENERGY Air Oil Separator (Oil Catch Can) for 2014–2018 Chevy/GMC 5.3L & 6.2L
| Fitment | Select GM 5.3L and 6.2L models (see vehicle-specific compatibility) |
|---|---|
| Filter | Fine mesh aluminum |
| Included items | Hoses, custom brackets and fittings |
| Inspection interval | Check after 500–1000 miles |
This EVIL ENERGY air oil separator is a bolt-on-style catch can that diverts PCV flow through a fine mesh aluminum filter to trap oil vapor before it reaches the intake. It comes with custom brackets, hoses, fittings and clamps intended for direct replacement installs, and the manufacturer recommends inspecting the separator every 500 to 1,000 miles. In use it collects condensate in a small reservoir that you empty periodically; reviewers report measurable oil capture within the first few hundred to a thousand miles. The package emphasizes plug-and-play fitment and a solid mount, and the included hoses are pre-clamped to reduce installation time. Practical limitations are the small reservoir size that requires frequent checks and some reports of the supplied rubber hoses degrading with heat over long service; upgrading hoses can prevent vacuum issues. Documentation and exact hose routing may require looking up vehicle-specific guidance for correct connection points.
Best for: Performance-oriented owners who prioritize keeping intake tract and combustion chambers cleaner to maintain power and longevity and who are comfortable with a hands-on, maintenance-minded install.
Less Ideal for: Buyers who want a maintenance-free, large-capacity solution or those unwilling to periodically inspect and service the catch can assembly.
- Direct-fit hardware and brackets included for straightforward installation on compatible engines
- Fine mesh aluminum filter to separate oil vapor from PCV flow
- Pre-installed clamps and fittings reduce install time
- Solid mounting bracket minimizes movement once installed
- Small reservoir requires frequent checking and draining
- Supply hoses have been reported to degrade from heat over extended use
Verdict A compact, performance-minded catch can that effectively reduces oil vapor contamination but needs frequent draining and stronger hoses for long-term durability.
4. AOCISKA Aluminum Baffled 300ml Oil Catch Can Kit
| Capacity | 300 Milliliters |
|---|---|
| Material | Aluminum |
| Fit Type | Universal |
This aluminum baffled oil catch can captures oil and water from the crankcase ventilation stream to keep the intake and throttle body cleaner. For Scion tC owners it is installed inline with the PCV/CCV hoses to intercept blow-by before it reaches the intake tract. The kit includes a 300ml polished reservoir with removable bottom for easy draining, a built-in dipstick for level checking, a rotatable baffle and hose fittings so you can route it under the hood. The aluminum construction feels solid and the removable lower cup makes cleaning straightforward. Because this is a universal kit you may need to fabricate or buy a mounting bracket and possibly extend hoses to fit the tC specifically, and assembly orientation matters for the internal screen and baffle to work correctly. The can is reusable but requires periodic draining, especially in cold climates where water condensation can increase. For owners who want a low-cost way to reduce intake deposits this provides a practical, serviceable solution with a modest capacity and basic hardware.
Best for: Budget-conscious Scion tC owners who prioritize low-cost prevention of intake and valve deposits and are comfortable doing light fabrication or custom routing during installation.
Less Ideal for: Drivers who want a plug-and-play, vehicle-specific kit with mounting hardware or those who prefer a large-capacity or OEM-style direct-fit solution.
- Solid aluminum construction for durability and heat resistance.
- Baffled design and optional steel ball increases condensation capture and reduces vapor carryover.
- Flip-out removable bottom and dipstick make draining and level checks simple.
- Includes hose kit so it is ready to plumb into the PCV/CCV lines with minimal extra parts.
- Universal fit requires additional brackets or hose extensions for a clean, secure mount in some vehicles.
- 300ml capacity is modest and will need frequent emptying on engines with heavy blow-by.
- No vehicle-specific installation instructions provided, so fitment to the Scion tC may require mechanical experience.
Verdict A low-cost, serviceable baffled aluminum catch can that helps reduce intake contamination for Scion tC owners willing to do minor custom mounting and routine draining.
5. RALZAOTO Oil Catch Can Separator (anodized)
| Compatible engines/years | Select 2014–2018 Silverado/Sierra 5.3L & 6.2L; 2015–2020 Tahoe/Suburban/Yukon; 2015–2019 Escalade 6.2L |
|---|---|
| Material | Anodized aluminum |
| Item model number | RALZ-B586 |
| Manufacturer | RALZAOTO |
This RALZAOTO oil catch can is a compact, anodized aluminum separator intended to intercept oil and blow-by vapors before they reach the intake. It installs on the PCV side using the supplied hoses, brackets, and fittings for a direct replacement-style fit on the listed vehicle engines. The fine mesh aluminum filter captures small oil droplets and helps keep intake passages and intake-valve areas cleaner, which can reduce deposits and preserve performance over time. Installation is described as roughly 30 minutes but can be fiddly if existing factory hoses are stiff or routed tightly. The can’s construction resists heat and pressure, and users report no leaks when installed correctly. Primary limitations are its small reservoir capacity, which some owners say requires checking every 500 to 1500 miles, and the catch can is only listed for specific GM engines so fitment to other models is not supported. Regular servicing is required to empty and clean the element to maintain effectiveness.
Best for: Practical, risk-averse buyers who prioritize protecting engine longevity with a low-cost, factory-style add-on and want a straightforward product backed by clear fitment for mainstream GM V8 trucks and SUVs.
Less Ideal for: Drivers who want a large-capacity or maintenance-free solution or those who need a universal catch can for multiple vehicle makes and engines.
- Anodized aluminum body resists heat and pressure for durable service.
- Includes hoses, custom brackets, and fittings for direct replacement-style install.
- Fine mesh aluminum filter captures small oil vapor droplets to reduce intake deposits.
- Compact design fits into tight engine bays and reported to install without leaks when routed correctly.
- Small internal reservoir that may need frequent draining on daily-driven vehicles.
- Installation can be tricky if factory hoses are aged or brittle, requiring extra effort or hose replacement.
Verdict A budget-friendly, factory-style catch can that effectively reduces oil vapor entering the intake but requires regular emptying due to its small capacity.
6. SPEEDWOW Universal Baffled Oil Catch Can Kit, 300ML
| Fit Type | Universal Fit |
|---|---|
| Capacity | 300ML |
| Hose | NBR 3/8" |
| Manufacturer | SPEEDWOW |
The SPEEDWOW 300ml baffled oil catch can is a compact, universal kit intended to intercept oil and moisture from the PCV/CCV ventilation system and keep those contaminants out of the intake tract. It installs in-line with factory PCV hoses and includes a removable baffle, a dipstick for quick fluid checks, a screw-off drain for cleaning, and NBR 3/8" hoses with basic clamps so you do not need to source extra tubing. In practical use it collects condensate and oil vapors that would otherwise coat the intake and valves, which can help reduce carbon buildup on an Scion tC and preserve engine breathing over time. The can is well machined and reusable, but the universal bracket and supplied hose clamps are lightweight and may require aftermarket clamps or a custom bracket for a tidy, secure Scion tC installation. Also be cautious in freezing climates because trapped moisture can freeze; frequent checks are advised. For owners who can adapt the mounting hardware, this kit offers a lot of functionality for the price.
Best for: Practical optimizers who want an affordable, functional catch can to slow intake carbon buildup on a Scion tC and are willing to adapt universal hardware for a neat install.
Less Ideal for: Drivers who want a bolt‑on, vehicle-specific solution with heavy-duty mounting hardware and clamps out of the box should consider a model designed specifically for their car.
- Includes removable baffled insert and removable bottom for easy draining and reuse
- Built-in dipstick lets you check fluid level without removing the unit
- Supplied NBR 3/8" hose is oil and heat resistant so no immediate hose purchase is required
- Compact 300ml reservoir fits easily in tight engine bays like the Scion tC
- Mounting bracket and supplied hose clamps are basic and often need replacement for a secure, long-term install
- Universal fit requires some trimming or custom routing to match Scion tC PCV plumbing
- Can collect water in cold weather so it needs more frequent inspections in freezing conditions
Verdict A budget-friendly, well-machined catch can that does the job for Scion tC owners who will swap the basic clamps or tweak the bracket for a secure install.
7. EVIL ENERGY Baffled Oil Catch Can Kit with Breather Filter (300 ml)
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Gasoline |
| Fit Type | Universal |
| Manufacturer | Speedwow Tuning |
This EVIL ENERGY kit is a compact baffled oil catch can designed to intercept oil and water vapor from crankcase ventilation before it reaches the intake. It installs inline with PCV hoses or as a vented breather on pre-PCV setups and ships with a 300 ml aluminum can, breather filter option, fuel-grade hoses, stainless steel wool baffle material and basic mounting hardware. For a Scion tC the can’s small footprint and included bracket make it straightforward to tuck into tight engine bays and route between the valve cover and intake. The practical benefits are cleaner intake surfaces, reduced carbon build-up on intake valves, and a visible reservoir to monitor contamination. Limitations include the 300 ml capacity which requires periodic draining, included hose clamps and some fittings reported as low quality, and the universal hose ID may need a longer or larger-diameter hose for specific tC routing. Expect a simple DIY install if you can access PCV lines and be prepared to replace the weakest clamps or add a longer hose if necessary.
Best for: A balanced, all-round buyer who wants a cost-effective, compact catch can to reduce intake contamination on a Scion tC without spending on a premium performance-only unit.
Less Ideal for: Owners seeking a maintenance-free or high-capacity solution for heavy-duty or track-driven use should consider larger, purpose-built catch cans instead.
- Baffled design with stainless wool helps separate oil and moisture effectively.
- Compact 300 ml aluminum can fits tight engine bays like the Scion tC.
- Includes breather filter option to use as an open vent on pre-PCV engines.
- Comes with hoses, fittings, dipstick and mounting bracket for easier installation.
- 300 ml capacity means more frequent draining compared with larger cans.
- Some included hose clamps and small fittings are lower quality and may need replacement.
- Universal fitment requires verifying hose diameter and possibly buying longer hose for neat routing.
Verdict A budget-friendly, compact baffled catch can that fits the Scion tC well for everyday prevention of intake gunk but needs periodic draining and minor parts upgrades.
Choosing the Right Scion tC Oil Catch Can: Key Factors to Consider
Fitment and Mounting
Correct fitment matters because the engine bay on the Scion tC has limited space and specific PCV hose routing. A catch can that offers vehicle-friendly mounting brackets and multiple orientation options reduces the chance of interference with other components. Consider whether the kit includes dedicated brackets or universal hardware that still allows secure installation.
Mounting location also affects hose length and routing. Short, direct hose runs minimize bends where oil can pool, while flexible mounting options help you avoid heat sources or moving parts. Verify that the chosen location gives easy access for periodic draining and inspection.
Materials and Construction
Durable materials resist corrosion and hold up to repeated thermal cycles under the hood. Look for metal housings with quality finishes or robust plastics rated for automotive use. Threaded drain fittings, anodized surfaces, and reinforced hose connections contribute to longevity.
Solid construction also reduces the chance of leaks or failure under vibration. Well-machined fittings and secure fasteners make routine maintenance simpler and reduce the need for re-torquing after road use.
Internal Separation Design
The way a catch can separates oil from vapors determines how much oil the intake sees over time. Effective designs use baffling, filter media, or coalescing chambers to condense and capture oil droplets while allowing vapors to pass back into the intake. Consider whether the design is serviceable so internal elements can be cleaned or replaced.
A more efficient internal layout typically means longer intervals between drains and less oil reaching intake components, which helps preserve throttle bodies, intercoolers, and intake valves.
Hose and Fitting Compatibility
Compatibility with existing PCV and vacuum hoses simplifies installation and avoids the need for adapters. Check hose barb sizes, included fittings, and whether the kit supplies stainless clamps or reusable fittings. Proper sealing at hose connections prevents vacuum leaks and maintains correct crankcase ventilation behavior.
Also consider the routing: kink-resistant hoses and smooth fittings reduce flow restriction and avoid premature hose wear. Kits that include pre-formed hoses or clear labeling for inlet and outlet reduce installation errors.
Serviceability and Drain Options
Frequent or messy draining can deter regular maintenance, so look for catch cans with accessible drain valves or threaded plugs that allow quick, clean emptying. Transparent sight tubes or level indicators help you know when to drain without dismantling the unit. Easy removal and reinstallation of internal elements make cleaning simpler.
Serviceability also includes how easy it is to access the can in the chosen mounting spot. A design that accommodates common driveway tools and avoids confined spaces will see more consistent upkeep.
Installation Complexity and Instructions
Installation complexity affects whether you can fit the catch can yourself or need professional help. Clear, vehicle-specific instructions and included hardware reduce install time and the risk of mistakes. Consider whether the kit requires cutting, drilling, or rerouting unrelated components, which increases labor and potential for errors.
Good documentation should show hose routing, torque specs for brackets, and troubleshooting tips. Kits that come with labeled fittings and a simple parts list make assembly and future maintenance less stressful.
FAQ
Will an oil catch can void my Scion tC warranty?
Adding an aftermarket catch can does not automatically void a vehicle warranty. Warranty coverage can depend on whether installation directly causes a failure. Keep records of the installation and use professional service if you are concerned. If a component fails, the manufacturer may require proof that the failure was unrelated to the catch can.
How often should I drain the catch can on a Scion tC?
Drain intervals vary with driving style and engine condition but often range from a few hundred to a few thousand miles. Inspect the can regularly during the first weeks after installation to establish how quickly it fills. Units with sight tubes or clear indicators make it easier to determine the right maintenance schedule for your driving habits.
Can I install a catch can myself?
Many catch cans are designed for straightforward, do-it-yourself installation using basic hand tools. Choose a kit with clear instructions and included mounting hardware if you plan to install it yourself. If the kit requires cutting hoses or modifying mounting points and you are unsure, professional installation is a sensible option.
Will a catch can affect engine performance or drivability?
A properly installed catch can should not negatively affect drivability. It intercepts oil-laden vapors before they reach the intake while allowing crankcase ventilation to continue. Ensure fittings are tight and hoses are routed to avoid kinks or leaks, which could otherwise affect vacuum behavior.
Do I need to service the internal baffle or filter?
Some catch cans have replaceable or cleanable internal elements. Check the manufacturer’s guidance, but routine inspection and cleaning are typically enough to maintain performance. Easily serviceable designs reduce long-term maintenance effort and help the can continue separating oil effectively.
Are there any downsides to installing a catch can?
The main tradeoffs are added maintenance and the need to monitor for leaks or loose fittings. Installing a catch can introduces another component to service, and poor installation can lead to vacuum leaks. When chosen and installed correctly, the benefits in reduced intake contamination typically outweigh these considerations.
How We Chose the Best Scion tC Oil Catch Can
We focused on oil catch cans that are compatible with the Scion tC’s engine bay layout and PCV routing. Key evaluation criteria included materials and construction quality, mounting options and hardware, hose and fitting compatibility with the vehicle’s existing PCV and intake hoses, and the ease of draining and servicing the unit. We also considered the effectiveness of internal baffling or filtration design to separate oil from crankcase vapors, and whether the kit included clear instructions and the fittings needed for a straightforward install. Units were excluded if they lacked clear vehicle-specific fitment guidance, required extensive fabrication, or used low-grade materials prone to corrosion. We prioritized catch cans that balance reliable oil separation with practical installability and reasonable maintenance intervals. This approach ensures the list contains options that are realistic for regular owners who want durable performance without complex modifications.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing a Scion tC oil catch can is about balancing effectiveness, durability, and ease of installation. Prioritize fitment and mounting options that suit the tC’s engine bay, durable materials that resist heat and corrosion, and a separation design that is serviceable for routine maintenance. Accept that better separation may mean slightly more complex internals, while simpler units might require more frequent draining. Focus on secure hose connections and clear installation instructions to reduce the risk of vacuum leaks and to make long-term upkeep straightforward.
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