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If you drive a Scion xD, fitting an oil catch can can reduce oil and residue entering the intake and intake tract over time. Picking the right catch can matters because fitment, filtration efficiency, and how the unit mounts will determine how well it prevents buildup and how easy it is to service. This guide covers our shortlist of the seven best oil catch cans chosen for fit and function on the Scion xD and explains the features we prioritized. Read on to learn which design and installation approach will suit your maintenance style and engine goals.
Looking for other parts? See all Scion xD parts & accessories.
Top Picks at a Glance
| Best overall The best all-around choice for most situations | EVIL ENERGY 300ml Baffled Oil Catch Can with 5ft NBR Hose Kit |  |
| Best Quality Built to a higher standard if you want something more solid | Mishimoto XL Baffled 3-Port Oil Catch Can (Black) |  |
| Best Value The sweet spot between price and what you get | ESPEEDER Universal Aluminum Baffled Oil Catch Can with Breather Filter (300ml) |  |
| Best budget The cheapest option that still gets the job done reliably | AOCISKA Aluminum Baffled Oil Catch Can Kit, 300ml |  |
| Highest Rated A top-rated pick with lots of positive feedback | EVIL ENERGY Baffled 300ml Oil Catch Can Kit with NBR Hose |  |
| Most popular A crowd favorite that many people choose with confidence | SPEEDWOW Universal Baffled Oil Catch Can Kit (300 ml) |  |
| Best Seller A high-volume bestseller chosen again and again | EVIL ENERGY 300ml Baffled Oil Catch Can Kit with Breather Filter |  |
1. EVIL ENERGY 300ml Baffled Oil Catch Can with 5ft NBR Hose Kit
| Capacity | 300 Milliliters |
|---|---|
| Hose length | 5 ft (1.5 m) |
| Hose inner diameter | 3/8" |
| Thread | M16 x 1.5 |
This EVIL ENERGY catch can is a compact, universal 300ml baffled separator designed to trap oil and moisture before crankcase vapors re-enter the intake. It is typically mounted inline with PCV/CCV hoses or used as a breather on pre-PCV systems. The kit includes a removable baffle, stainless steel wool for coalescing, an aluminum canister with threaded ports, and a 5 ft NBR hose rated for heat and wear. In practice the baffled core and wool do a good job collecting oily residue, reducing valve and intake deposits on everyday driven engines. Installation is straightforward for a Scion xD with some planning for hose routing and mounting clearance; users report the included fittings seal tightly and the can’s compact profile fits under the hood without blocking access to routine service points. Limitations: the kit is universal so some vehicles need extra hose or different fittings for a clean install, and in very cold climates moisture can freeze without regular maintenance. Expect occasional draining and periodic cleaning of the wool for best performance.
Best for: Balanced all-round buyers who want a practical engine protection upgrade for a Scion xD and value a durable, easy-to-fit aftermarket solution to reduce intake contamination.
Less Ideal for: Owners seeking a vehicle-specific plug-and-play kit with exact factory-style fittings or those unwilling to perform occasional maintenance in cold climates should consider other options.
- Effective baffled design with removable baffle and steel wool to capture oil and moisture
- Solid billet-style aluminum construction that seals tightly and resists corrosion
- Includes 5 ft NBR hose with good heat and wear resistance for routing in the engine bay
- Compact 300ml capacity fits neat locations and reduces how often you need to empty it
- Can be installed as a breather or inline with PCV hoses for flexible use on different setups
- Universal fittings may require buying extra hose or adapters for an exact fit on some vehicles
- Small O-rings on supplied fittings can be awkward to install and require careful tightening
Verdict: A compact, well-built universal 300ml baffled catch can that offers strong protection for a Scion xD but may need minor hoses or fittings adjustments for a perfect fit.
2. Mishimoto XL Baffled 3-Port Oil Catch Can (Black)
| Material Type | Aluminum |
|---|---|
| Product Grade | Performance Part |
| Compatible with Vehicle Type | Universal |
| Included Components | Bracket, 3 barbed fittings, drain plug |
The Mishimoto XL baffled oil catch can is a performance-focused, serviceable unit that removes oil and fuel vapors from PCV/CCV charge air before they reach the intake. It installs using the included bracket and three 1/2" barbed fittings and is sealed with Viton O-rings to keep captured contaminants contained. Internally it uses an air diverter and baffle to increase turbulence and separate droplets to a 7.5 ounce reservoir that is easy to drain or return to the oil pan via the removable plug. The 50-micron bronze filter is washable so you can maintain filtration without replacing parts, and the all-billet 6061 aluminum construction gives a durable, corrosion-resistant housing. For a Scion xD looking for a high-quality catch can to protect the intake and reduce carbon buildup, this unit offers robust separation and serviceability, though its universal fitment means minor hose-routing or bracket adjustments may be required during installation and the relatively large internal capacity can require more under-bumper clearance than some ultra-compact cans.
Best for: Performance-oriented Scion xD owners who prioritize protecting the intake and reducing carbon buildup while preferring durable, serviceable components and are comfortable with a hands-on installation approach.
Less Ideal for: Buyers seeking the smallest possible catch can for extremely tight engine bays or those who want a completely plug-and-play, vehicle-specific kit with pre-shaped hoses and brackets.
- Billet 6061 aluminum construction offers durability and corrosion resistance.
- 50-micron bronze filter with internal air diverter and baffle for effective oil separation.
- Fully serviceable and washable filter system reduces recurring parts cost.
- Includes three CNC-machined barbed fittings and mounting bracket for straightforward installation.
- 7.5 ounce capacity extends service intervals for heavier blow-by applications.
- Universal/direct-fit design may require minor hose routing or bracket trimming for tidy installation on the Scion xD.
- Larger physical capacity compared with some compact cans could limit mounting locations in tight engine bays.
Verdict: A durable, serviceable billet-aluminum catch can built for performance applications and effective oil separation in engines like the Scion xD.
3. ESPEEDER Universal Aluminum Baffled Oil Catch Can with Breather Filter (300ml)
| Capacity | 300 Milliliters |
|---|---|
| Material Type | Aluminum |
| Fit Type | Universal Fit |
| Fuel Type | Gasoline |
| Product Grade | Performance Parts |
This ESPEEDER catch can is a simple, budget-oriented solution for reducing oil vapor and moisture in the PCV/boost plumbing. It installs inline between the valve cover and intake or on a breather port on naturally aspirated engines and uses an internal dual-chamber baffle plus a breather filter to condense and collect oil in a 300ml reservoir. The anodized T-6061 aluminum body and TIG welded seams give it a factory-quality feel, and a built-in dipstick plus removable bottom make level checks and draining straightforward. The kit includes multiple fittings, a vented breather option, and basic mounting hardware, but the supplied rubber hose and some fittings are lightweight so you may want to fit high-temp vacuum hose and sturdier clamps for a Scion xD application. For a practical optimizer seeking improved intake cleanliness without a large expense, this catches moderate amounts of oil and is easy to service; it is not a precision, vehicle-specific engineered unit and will need careful hose routing and mounting on the xD to avoid heat exposure.
Best for: A practical optimizer who wants an affordable, do-it-yourself way to reduce intake oil contamination on a Scion xD and prefers parts that are easy to install and service.
Less Ideal for: Drivers seeking a vehicle-specific, performance-tuned catch can with precision fittings and guaranteed fitment or those unwilling to fabricate a secure mount on the xD should consider other options.
- Anodized T-6061 aluminum body and TIG welds provide durability and a polished look
- Internal dual-chamber baffle and breather filter improve oil and moisture separation
- Built-in dipstick and removable drain make inspection and servicing easy
- Includes multiple fittings, mounting bracket, O-rings, and hose clamps for installation
- Supplied rubber hose and some fittings are lower quality and may require replacement for high-temperature or long-term use
- Universal design means no vehicle-specific mounting hardware or guaranteed fitment details for the Scion xD
Verdict: A cost-effective, serviceable catch can that cleans intake vapors for a Scion xD but requires some upgraded hose and careful mounting for long-term reliability.
4. AOCISKA Aluminum Baffled Oil Catch Can Kit, 300ml
| Capacity | 300 Milliliters |
|---|---|
| Fit Type | Universal |
| Material | Aluminum |
| Product Grade | like new |
This aluminum baffled catch can collects oil and water from the crankcase ventilation system to reduce intake contamination and slow carbon buildup. It installs inline with PCV/CCV hoses and is typically mounted in the engine bay where hose routing and a small bracket or fabricated mount are required for a universal kit. Notable features include a removable bottom for easy draining, a built-in dipstick for level checks, and an internal baffle that can be rotated or augmented with a steel ball to improve condensing surface area. The aluminum body should offer decent durability and resistance to regular engine-bay conditions. As a budget option it gives practical protection for direct-injection engines like the Scion xD by catching oil before it reaches the intake, but being a universal kit you may need to fabricate or buy a mounting bracket and possibly extend hoses to fit specific Scion xD layouts. Assembly attention is important since incorrect baffle placement reduces effectiveness. Expect basic functionality at a low cost rather than a vehicle-specific plug-and-play solution.
Best for: Budget-conscious owners seeking an inexpensive way to reduce intake oil contamination on a Scion xD and willing to do minor fabrication or routing to fit a universal kit.
Less Ideal for: Buyers who want a guaranteed, bolt-on catch can with vehicle-specific brackets and fittings or those who prefer professional installation without any modification.
- Baffled internal design improves oil/steam separation compared with a plain can.
- Removable bottom and dipstick make draining and monitoring straightforward.
- Aluminum construction offers good strength and heat resistance for engine-bay fitment.
- Comes as a kit with hoses and fittings for a complete installation starting point.
- Universal fit requires custom mounting or additional hose for a clean install on some vehicles.
- Not a vehicle-specific kit so instructions and bracketry are minimal or absent.
Verdict: A low-cost, aluminum baffled catch can that protects the Scion xD’s intake on a budget but requires some DIY mounting and hose work.
5. EVIL ENERGY Baffled 300ml Oil Catch Can Kit with NBR Hose
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Diesel |
| Fit Type | Universal |
| Hose Length | 2.6ft |
This EVIL ENERGY catch can separates oil and moisture from crankcase ventilation before they reach the intake, using a removable baffle and optional stainless wool to improve condensation and oil capture. It is typically installed inline with PCV hoses or fitted as a vent for pre-PCV setups, and the kit includes a heat- and wear-resistant NBR hose with M16x1.5 threaded ports for a secure connection. The 300ml aluminum tank is compact enough to tuck into tighter engine bays while still providing a visible reservoir via the included dipstick for monitoring. Practical benefits include reduced intake valve and intake tract gunk, easier maintenance thanks to the removable baffle and cleaning access, and a durable hose that tolerates engine heat. Limitations are the modest 300ml capacity which requires periodic draining on engines with heavy blow-by and the recommendation to clean more often in freezing climates to avoid moisture freezing in the vent path.
Best for: Reliability-focused owners who prioritize keeping the intake and valves cleaner over long-term ownership and want a straightforward, serviceable solution to reduce oil vapors entering the intake.
Less Ideal for: Drivers who prefer zero-maintenance parts or who cannot access space in the engine bay for an additional inline component should consider alternatives or professional installation.
- Baffled design with removable baffle and option to add stainless wool for improved oil separation
- Includes NBR fuel/vent hose rated for heat and wear resistance for reliable connections
- Compact 300ml aluminum tank that fits into tight engine bays and includes a dipstick for easy checks
- M16x1.5 threaded inlet/outlet ports for a secure fit to standard PCV hose fittings
- 300ml capacity may require frequent draining on engines with high blow-by
- Manufacturer notes increased maintenance in freezing temperatures to prevent moisture-related blockages
Verdict: A compact, serviceable baffled catch can kit that helps keep intake systems cleaner with durable hose parts for reliable, long-term use.
6. SPEEDWOW Universal Baffled Oil Catch Can Kit (300 ml)
| Fit Type | Universal Fit |
|---|---|
| Fuel Type | Gasoline |
| Item Weight | 2 pounds |
| Item model number | 1 |
This SPEEDWOW catch can is a small, user-serviceable unit designed to intercept oil and moisture from the PCV/CCV stream before it reaches the intake. It installs inline between the crankcase vent and intake on compatible engines and includes a removable baffle, a dipstick that doubles as a suction/drain port, and a removable bottom for easy draining. The kit ships with NBR 3/8" hose, hose clamps, an aluminum mount and Teflon tape so you can fit and secure it without sourcing parts. In practice the baffle and internal filter capture brown oily condensate and reduce carbon build up on intake components, which helps maintain combustion stability on older engines. Downsides to note for Scion xD owners: the supplied bracket and clamps are serviceable but some installers prefer stiffer or slotted brackets and stronger hose clamps for a tidier, more secure install, and condensation can collect in cold climates so frequent checks are needed in winter. The unit is otherwise straightforward to fit and easy to service for routine emptying and inspection.
Best for: Convenience-driven buyers who want a mostly complete kit that installs quickly and is easy to service to keep a Scion xD intake cleaner with minimal parts sourcing.
Less Ideal for: Drivers seeking a long-term, high-capacity or race-oriented solution should consider larger professional-grade catch cans and heavier-duty hardware instead.
- Complete kit includes hoses, clamps, mounting bracket and Teflon tape for a near-ready install.
- Removable baffle and bottom plus dipstick make inspection and draining simple without disassembly.
- NBR 3/8" hose provided is oil-resistant and rated for engine bay heat.
- Compact 300 ml can fits easily into tight engine bays like the Scion xD and still provides meaningful oil separation.
- Included hose clamps and aluminum bracket are functional but may require replacement or modification for a cleaner, more secure installation.
- Small 300 ml capacity means more frequent draining on engines with heavy blow-by or during cold, moist conditions.
Verdict: A compact, user-friendly catch can kit that makes adding oil separation to a Scion xD quick and low-effort, though installers may want to upgrade clamps and the bracket for a neater fit.
7. EVIL ENERGY 300ml Baffled Oil Catch Can Kit with Breather Filter
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Gasoline |
| Fit Type | Universal |
| Manufacturer | Speedwow Tuning |
This EVIL ENERGY catch can is a compact, universal baffled separator meant to intercept oil and blow-by from the crankcase before it reaches the intake tract. It is typically installed in-line with PCV hoses or used as a vent on pre-PCV systems using the included hose and optional breather filter. The 300ml aluminum tank, internal baffle and stainless wool element help trap oil droplets while the dipstick makes level checks straightforward. For a Saturn Vue, the kit is suited to owners who want a simple add-on to help limit intake valve deposits and keep the intake cleaner between services. Installation requires routing the provided hose and securing the can in the engine bay where there is room, and the universal fittings mean shop adjustment or small adapters may be needed for some hose sizes on specific Vue model years. The kit is practical and affordable but small capacity means more frequent inspection and draining than larger catch cans, and universal fitment lacks vehicle-specific brackets or fittings.
Best for: Risk-averse mainstream Saturn Vue owners who prioritize protecting the intake from oil contamination with a straightforward, low-cost add-on and prefer something simple to install and inspect.
Less Ideal for: Owners seeking a vehicle-specific kit with dedicated brackets, larger capacity, or a plug-and-play harness should look for purpose-built options designed specifically for the Saturn Vue.
- Baffled internal design and stainless wool help separate oil from PCV air
- Includes breather filter option for venting on pre-PCV setups
- Compact 300ml aluminum tank is lightweight and corrosion resistant
- Dipstick provided for easy fluid level checks
- 300ml capacity requires more frequent draining compared with larger cans
- Universal mounting and hose sizes may need adapters or custom brackets for clean installation on a Saturn Vue
Verdict: A compact, affordable baffled catch can kit that gives Saturn Vue owners a simple way to reduce oil vapor entering the intake and help keep the engine cleaner between services.
Choosing the Right Scion xD Oil Catch Can: Key Factors to Consider
Fitment And Mounting
Correct fitment ensures the catch can can be securely mounted in the limited space of the Scion xD engine bay. Look for mounting brackets or universal options that allow placement away from hot components and moving parts.
Mount points and hose routing affect ease of installation and long-term reliability. A poorly fitted unit can lead to kinks, strain on hose ends, or interference with other systems, so verify available clearance and bracket adjustability before committing.
Filtration And Separation Design
The internal design determines how effectively the unit removes oil vapor and droplets from crankcase gases. Baffles, mesh, and coalescing elements all influence separation efficiency and how quickly the can fills.
Better separation reduces oil deposits in the intake tract and helps maintain consistent engine performance. Consider whether the design targets fine aerosol removal or primarily larger droplets based on your driving and maintenance habits.
Materials And Build Quality
Durable materials resist corrosion, leaks, and wear from repeated servicing. Look for anodized aluminum, stainless steel fittings, and quality seals to ensure long-term reliability in an under-hood environment.
Solid machining and thread quality reduce the risk of stripped fasteners or leaking drain plugs. Higher build quality also often translates to tighter tolerances and more consistent separation performance over time.
Hose Compatibility And Connections
Proper hose size and secure fittings are essential for leak-free operation. Confirm the recommended hose diameter matches the Scion xD PCV and intake ports and that barbed or push-fit connections are robust.
Secure clamps and quality hose materials reduce the chance of vacuum leaks or disconnections during spirited driving. Also consider whether adapters or hose kits are needed for a clean, reliable connection.
Serviceability And Drain Options
How easy it is to drain and inspect the catch can will govern maintenance frequency and user compliance. Drain valves, threaded plugs, and removable internals make routine service quicker and cleaner.
Units that require disassembly for every service can discourage regular maintenance, so factor in access, drain orientation, and whether you can empty the can without removing it from its mount.
Impact On Engine Vacuum And PCV Operation
A catch can interacts with the PCV and vacuum system, so it should not introduce excessive restriction or disrupt crankcase ventilation. Designs with minimal flow resistance help preserve normal engine breathing and idle stability.
Consider whether the catch can requires additional fittings or check valves to maintain proper PCV operation, especially if the vehicle is modified or used under varying loads.
How We Chose the Best Scion xD Oil Catch Can
We focused on components and attributes that directly affect performance and longevity on the Scion xD. Primary evaluation criteria included build quality and materials, such as corrosion-resistant housings and robust fittings; filtration and separation efficiency to limit oil vapor and sludge from reaching the intake; mounting and fitment options that accommodate the Scion xD engine bay and maintain secure routing; ease of installation, including clear hose runs and necessary hardware; serviceability, meaning drainability and accessible filters or baffles; and compatibility with the vehicle's PCV and vacuum systems. We excluded products that lacked clear hardware or mounting guidance for the Scion xD or that used unclear materials and construction methods. The resulting selections prioritize effective oil separation, durable construction, straightforward install processes, and practical maintenance access specific to this vehicle.
Our full evaluation process is outlined in our review methodology.
FAQ
Do I need an oil catch can for my Scion xD?
An oil catch can can reduce the amount of oil and sludge that enters the intake over time, which may help keep intake valves and throttle bodies cleaner. Whether it is necessary depends on your driving habits, engine condition, and maintenance goals, as benefits accumulate gradually rather than immediately.
How often should I empty a catch can on a Scion xD?
Drain frequency depends on driving conditions and the catch can design. Many owners check monthly at first to establish a pattern, then adjust to longer intervals if fill rates are low. Regular checks prevent overflow and ensure the unit continues to separate effectively.
Will adding a catch can affect my Scion xD engine performance?
A properly sized and installed catch can should not harm engine performance and may help keep intake components cleaner over time. It is important to maintain correct hose routing and secure fittings to avoid vacuum leaks that could impact idle or drivability.
Can I install a catch can myself on a Scion xD?
Many installations are straightforward and possible with basic tools, clear instructions, and attention to hose routing and secure mounting. Complexity varies by kit and your experience level, so plan time for careful routing and testing for leaks after installation.
What maintenance steps keep a catch can working well?
Regular draining, inspecting seals and hoses, and checking fittings for tightness are key tasks. Also inspect internal baffles or filters if the design allows, and replace any hoses or clamps that show wear to maintain separation efficiency.
Conclusion
When choosing an oil catch can for a Scion xD, prioritize fitment and secure mounting, effective separation design, and materials that will withstand under-hood conditions. Ease of installation and serviceability are important because they determine whether you will maintain the unit consistently. Balance the tradeoffs between compact mounting and separation efficiency, and verify hose compatibility with the vehicle's PCV system. A well-chosen catch can can reduce intake deposits over time while requiring only routine checks and drains to keep it functioning.
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