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If you want to reduce intake contamination and protect long-term engine performance in a Kia Soul, choosing the right oil catch can matters. These devices are designed to capture oil-laden vapors before they reach the intake, which can help maintain throttle response and reduce carbon buildup over time. This guide presents a shortlist of the top picks for the Kia Soul, selected for build quality and fitment considerations. We evaluated filtration effectiveness and installation practicality to help you pick the most suitable option for your needs. Read on to see the top choices and what to consider before fitting one to your vehicle.
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Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | BOMLING 6.4L Billet Oil Catch Can Kit with Z-Bracket for 5.7 HEMI |  |
| Most Popular A crowd favorite that many people choose with confidence | RULLINE 350ml Universal Baffled Oil Catch Can |  |
| Best Quality Built to a higher standard if you want something more solid | EVIL ENERGY Air Oil Separator (Oil Catch Can) for GM 5.3L/6.2L Engines |  |
| Best Budget The cheapest option that still gets the job done reliably | YESHMA 750ml Billet Aluminum 2-Port Baffled Oil Catch Can with Breather Filter |  |
| Most Sold A high-volume bestseller chosen again and again | RALZAOTO Oil Catch Can with Mounting Kit |  |
| Best Value for Money The sweet spot between price and what you get | ESPEEDER Universal Aluminum Baffled Oil Catch Can with Breather Filter, 300ml |  |
| Best Overall The best all-around choice for most situations | EVIL ENERGY Baffled Oil Catch Can Kit (300ml) with Breather Filter |  |
1. BOMLING 6.4L Billet Oil Catch Can Kit with Z-Bracket for 5.7 HEMI
| Capacity | 0.12 Liters |
|---|---|
| Product Grade | Replacement Part |
| Fit Type | Vehicle Specific |
| Manufacturer | XUZHONG |
This catch can kit captures oil and blow-by vapors from the PCV/UPR system and condenses them in a baffled billet reservoir so less oil reaches the intake tract. It is supplied as a vehicle-specific kit with a Z-bracket, billet fittings, hose ends, and a 4 oz (0.12 L) capture tank that you mount in the engine bay and plumb into the PCV/UPR lines. In practice it is used to reduce intake contamination on engines prone to oil carryover and to make periodic oil collection simple to inspect and drain. Users report straightforward bolt-on installation when the bracket and hoses are routed carefully, and the included fittings and sheath-covered hoses improve durability and fit. The main limitation is the small 4 oz capacity which requires regular checks on higher-mileage or oil-consumptive engines, and some trimming and hose-clamp fastening is needed during installation rather than a pure plug-and-play fit for every engine bay layout. Overall it is a compact, well-equipped catch can for users who will maintain it regularly.
Best for: Reliability-focused buyers who prioritize preventing intake oil contamination and are willing to service the system regularly to protect engine longevity.
Less Ideal for: Drivers who want a maintenance-free solution or who prefer a larger-capacity, no-trim universal catch can designed for long service intervals.
- Billet aluminum construction and billet fittings for corrosion resistance and a finished look
- Includes Z-bracket and mounting hardware for a stable, engine-bay installation
- Baffled internal design and diffuser upgrade improve oil separation and reduce vapor carryover
- Comes with hose ends and sheath-covered hoses to simplify routing and protect against abrasion
- Small 0.12 L (4 oz) reservoir that fills quickly on engines with higher blow-by
- Kit may require trimming hoses and securing with clamps or zip ties during install rather than a direct plug-and-play fit
Verdict A compact, billet-style catch can kit that provides effective oil separation for reliability-minded owners but needs regular emptying due to its small reservoir.
2. RULLINE 350ml Universal Baffled Oil Catch Can
| Capacity | 350 Milliliters |
|---|---|
| Fuel Type | Gasoline |
| Product Grade | Performance Part |
| Fit Type | Universal |
| Manufacturer | Ruien |
The RULLINE 350ml baffled catch can captures oil and moisture from PCV/CCV crankcase vents to reduce carbon and sludge buildup in the intake system. It is typically mounted near the PCV and intake with the supplied fittings and hose and uses an internal baffle and dipstick to collect and check trapped fluid without repeated disassembly. The can is machined from aluminum, fully tig welded and anodized for corrosion resistance, and the kit includes multiple adapter fittings to work with common hose sizes. Practical benefits include a screw-off cup with O-ring sealing for easy cleaning and a braided hose that is sturdier than basic rubber line. Limitations are its universal fit approach which may require custom mounting and hose selection on a Kia Soul, and the 350ml capacity means it needs periodic draining on higher blow-by engines. Some users modify the drain or add a better dipstick seal for convenience, and clamp quality in the kit is basic so upgrading clamps may be necessary for a longer-lasting install.
Best for: A convenience-driven buyer who wants an easy way to reduce intake oil contamination without a full engine overhaul and prefers a mostly plug-and-play kit they can adapt quickly during a routine DIY install.
Less Ideal for: Drivers seeking a vehicle-specific, bolt-on solution with a dedicated mount and large capacity should consider purpose-made kits for their model instead.
- Baffled aluminum reservoir traps oil and moisture to reduce intake contamination.
- Fully tig welded body and O-ring sealed cup minimize leakage risk.
- Includes multiple adapter fittings for broad hose compatibility.
- Braided hose provided is more durable than thin rubber tubing.
- Universal mounting bracket may not fit directly and often requires a custom bracket or mounting location.
- 350ml capacity requires regular checks and draining on engines with heavier crankcase venting.
- Included hose clamps and small accessories are basic quality and may need replacement.
Verdict A compact, well-made universal catch can that works for convenient DIY installs but may need custom mounting and occasional accessory upgrades for a tidy Kia Soul fit.
3. EVIL ENERGY Air Oil Separator (Oil Catch Can) for GM 5.3L/6.2L Engines
| Fitment | Compatible with 2014–2018 Chevy Silverado 1500 and 2014–2018 GMC Sierra 1500 (5.3L & 6.2L) and select 2015–2020 GM full-size SUVs |
|---|---|
| Function | Air oil separator for PCV side to capture oil vapor |
| Filter type | Fine mesh aluminum filter |
| Includes | Hoses, custom brackets, fittings, installation instructions |
This EVIL ENERGY air oil separator is a compact, bolt-on oil catch can kit intended to trap oil vapor on the PCV side of compatible GM 5.3L and 6.2L engines. It installs using supplied hoses, brackets, fittings, and instructions for a direct replacement-style fit, and the internal fine mesh aluminum filter captures microscopic oil mist so less oil reaches the intake. In real-world use it sits in the engine bay and diverts crankcase vapors through the separator where condensation and oil collect in the reservoir; owners report measurable oil accumulation after a few hundred miles and no vacuum leaks when installed correctly. The package includes prewrapped hoses and clamps to limit intake noise, and the unit’s mounting hardware is solid. Limitations include a relatively small reservoir that requires periodic checking and reported issues with the supplied hose material under prolonged heat exposure, so replacing hoses with higher-heat-rated lines may be wise for heavy-duty or performance use. Installation may require identifying the correct PCV ports on your engine if you are unfamiliar with GM V8 plumbing.
Best for: Performance-oriented owners who prioritize protecting intake and combustion quality on late-model GM 5.3L/6.2L engines and want a direct-fit, mostly plug-and-play solution to reduce blow-by contamination.
Less Ideal for: Drivers who prefer long-interval maintenance or need a large-capacity remote reservoir for extended track use should consider higher-capacity systems or units with more heat-resistant plumbing.
- Direct-fit kit for GM 5.3L and 6.2L engines with included brackets and hardware
- Fine mesh aluminum filter captures fine oil vapor to reduce intake contamination
- Preinstalled hoses and clamps simplify installation and reduce vacuum noise when routed correctly
- Solid mounting bracket and prelubed O-ring for reliable sealing on install
- Reservoir is small and needs frequent checking and draining
- Included hoses have reported heat-degradation over time on some engines
Verdict A compact, direct-fit oil separator that effectively reduces oil vapor in the intake for GM 5.3L/6.2L engines but needs regular emptying and may benefit from upgraded hoses for high-heat or high-mileage use.
4. YESHMA 750ml Billet Aluminum 2-Port Baffled Oil Catch Can with Breather Filter
| Fuel Type | Diesel, Gasoline |
|---|---|
| Product Grade | Like New |
| Fit Type | Universal |
| Manufacturer | YESHMA |
This YESHMA catch can is a budget-friendly, universal solution for keeping oil and sludge out of the intake tract on turbocharged and naturally aspirated engines such as the Kia Soul's. It uses a baffled 750ml reservoir and a breather filter to separate and collect oil vapors, and the included drain valve and hose fittings make routine emptying straightforward. The billet aluminum body and anodized finish give it better durability and appearance than cheap plastic alternatives, and buyers report it installs easily when space allows. On the downside the universal design can be longer than some factory spaces require, and a few users have needed to clean machining debris from ports before installation. The drain valve also has received occasional comments about imperfect sealing. For a budget pick it delivers real engine protection and is a practical upgrade for owners who want to limit intake contamination without spending much on a vehicle-specific kit.
Best for: Budget-conscious Kia Soul owners who want a cost-effective way to reduce intake oil contamination and extend engine life without buying a vehicle-specific premium kit.
Less Ideal for: Those seeking a plug-and-play, vehicle-specific catch can with guaranteed fit and OEM-style sealing should consider a Kia Soul–specific kit instead.
- Large 750ml baffled reservoir captures substantial oil and blow-by before frequent servicing is needed
- Billet aluminum construction with anodized finish resists corrosion and looks factory-quality under the hood
- Includes breather filter, drain valve and multiple hose connectors to simplify installation and maintenance
- Universal length can be too long for tight engine bays without modification or custom mounting
- Some units may require cleaning of machining debris from ports or threads before safe installation
- Drain valve has occasional reports of imperfect sealing compared with higher-end valves
Verdict A low-cost, metal-bodied universal catch can that provides solid oil separation for Kia Soul owners who prioritize value over a vehicle-specific fit.
5. RALZAOTO Oil Catch Can with Mounting Kit
| Material | Anodized aluminum |
|---|---|
| Fitment note | Kit lists compatibility with many full-size GM trucks and SUVs |
| Model number | RALZ-B586 |
This RALZAOTO oil catch can captures oil and blow-by vapor from the PCV system to help keep intake plumbing and the throttle body cleaner over time. It is supplied as a kit with hoses, custom brackets and fittings intended for direct replacement, and the anodized aluminum body resists heat and pressure for long service life. Installation is usually a simple bolt-in job that takes around 30 minutes when hoses and factory connections are accessible, though older or stiff factory hoses can make routing trickier. The unit uses a fine mesh aluminum filter to trap small oil droplets; routine checks every 500 to 1,000 miles let you empty and clean it before it fills. Practical benefits include reduced intake varnish and potential for steadier engine performance on older engines that suffer from oil ingestion. Limitations are the relatively small internal capacity reported by some users, which means more frequent draining on high-mileage or heavy-duty daily drivers, and the kit may require basic mechanical experience for a neat, heat-safe installation.
Best for: A risk-averse mainstream buyer who wants a practical, factory-quality aftermarket part to reduce oil buildup and preserve long-term engine cleanliness with minimal fuss.
Less Ideal for: Drivers who need a large-capacity solution for heavy-duty daily towing or frequent long-distance driving should consider larger catch cans with higher reservoir volume.
- Anodized aluminum body tolerates high temperature and pressure
- Includes hoses, custom brackets and fittings for straightforward replacement
- Fine mesh aluminum filter captures small oil vapor for cleaner intake
- Relatively quick install when access and hoses are in good condition
- Small reservoir capacity means more frequent draining for high-mileage use
- No detailed printed instructions included in some packages
Verdict A compact, heat-resistant catch can kit that helps reduce intake oil buildup but has a small reservoir that needs regular emptying.
6. ESPEEDER Universal Aluminum Baffled Oil Catch Can with Breather Filter, 300ml
| Capacity | 300 Milliliters |
|---|---|
| Material Type | Aluminum |
| Fit Type | Universal Fit |
| Fuel Type | Gasoline |
This ESPEEDER catch can is a budget-friendly, compact solution for keeping intake systems cleaner by capturing oil and moisture from crankcase blow-by before it reaches the intake. It is made from T-6061 aluminum with an anodized finish, an internal dual-chamber baffle, a removable drain plug and a built-in dipstick for easy level checks. Typical installation uses the factory PCV or vacuum hose routing to divert venting into the can then either return the filtered vapors or vent them through the breather filter. The package includes multiple fittings, a breather filter and a small hose but reviewers note the supplied hose is low temperature rated so sourcing a proper vacuum hose is recommended. The can’s 300 ml capacity and removable bottom make it easy to inspect and drain during routine maintenance, but the universal fittings require careful selection of hoses and mounting location on a Kia Soul to ensure proper clearance and routing. It is a practical, affordable way to reduce intake deposits when installed and maintained correctly.
Best for: Practical optimizers looking to extend engine life and reduce intake deposits on a Kia Soul without spending on an expensive branded unit; they value functionality and easy maintenance over factory-perfect fitment.
Less Ideal for: People seeking a vehicle-specific, plug-and-play catch can with OEM-style fittings and guaranteed fitment for a Kia Soul should consider purpose-built alternatives.
- Aluminum construction with anodized finish for corrosion resistance and a factory-quality appearance
- Internal dual-chamber baffle and breather filter improve separation of oil and moisture from blow-by
- Built-in dipstick and removable drain plug make inspection and draining straightforward
- Comes with multiple fittings and a breather filter to support different hose sizes and installation locations
- Supplied hose is low quality and not rated for high temperatures so replacement is advisable
- Universal fit means additional brackets or hose adapters may be needed to fit cleanly in a Kia Soul engine bay
Verdict A cost-effective, serviceable catch can that delivers solid oil separation for a Kia Soul if you plan to fit with proper hoses and mounts and replace the supplied hose.
7. EVIL ENERGY Baffled Oil Catch Can Kit (300ml) with Breather Filter
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Gasoline |
| Fit Type | Universal |
| Manufacturer | Speedwow Tuning |
This EVIL ENERGY kit installs as an inline or vented oil catch can and is intended to keep oil and moisture out of the intake tract. It is typically mounted near the valve cover and routed between the PCV and intake or fitted with the included breather filter for pre-PCV setups. Notable features include a 300ml aluminum tank, internal baffling and a removable dipstick for checking collected fluid. The kit includes fuel-grade hose, fittings, stainless steel wool and a mount bracket so you can complete the install without fabricating parts. In real use the can captures condensate and oil mist, reducing intake-valve gunk and helping combustion chambers run cleaner. Expect to empty it periodically, especially in cold climates where condensation increases, and be prepared to swap the supplied hose clamps if you want a more secure clamp. Fitment is universal and may require the longer hose option for some Kia Soul engine bays or routing runs. Overall it is a practical, budget-friendly option for owners who want effective crankcase separation without paying for a premium brand.
Best for: Balanced owners who want a reliable, cost-conscious way to reduce intake contamination on a Kia Soul and value straightforward, do-it-yourself upgrades that improve long-term engine cleanliness.
Less Ideal for: Drivers seeking a large-capacity or vehicle-specific engineered solution who prefer plug-and-play kits designed for a specific Kia Soul engine without any hose modification.
- Compact 300ml aluminum can with internal baffle for effective oil and moisture separation
- Includes fittings, fuel-grade hose, dipstick and stainless steel wool for a mostly complete installation
- Can be used as either a vented breather or inline between PCV hoses for flexible setups
- Removable dipstick and visible tank make fluid checks and servicing straightforward
- Universal fit means some Kia Soul installations require longer hose or different clamp hardware not included
- Smaller 300ml capacity requires more frequent draining on vehicles that produce heavy condensate
- Some kits have reported missing or poor-quality clamps in individual units
Verdict A budget-friendly, versatile catch can that delivers solid oil separation for Kia Soul owners who want cleaner intakes without an expensive, vehicle-specific unit.
Choosing the Right Kia Soul Oil Catch Can: Key Factors to Consider
Filtration and Separation Efficiency
Effective separation is the core purpose of a catch can. A well-designed internal baffle or filter media forces vapors to condense and coalesce so that liquid oil drains to the sump rather than passing into the intake. Higher separation efficiency reduces the rate of carbon and varnish buildup on intake valves and the intake tract.
When evaluating efficiency, consider how the can handles both heavy blow-by and lighter vapor streams. Units with multi-stage baffling or dense filtration media tend to trap more oil but may require more frequent draining. Balance the expected level of blow-by from your engine with the can s capacity and intended service interval.
Mounting Location and Fitment
Proper mounting matters for secure operation and ease of maintenance. In the Kia Soul s compact engine bay you need a can that fits without obstructing other components or stressing hoses. Look for brackets that offer multiple mounting points and hardware compatible with existing chassis or engine bay mounting holes.
Also consider clearance for the oil drain and the angle at which the can sits. A can mounted upside down or at an awkward angle can hinder drainage and make inspection difficult. Choose a location that leaves room to access the drain and to visually check the can s contents without major disassembly.
Hose Routing and Connections
A catch can is only effective when connected correctly to the PCV and crankcase ventilation ports. Hose length, bend radius, and connection type affect reliability and leak potential. Use hoses rated for oil and heat exposure, and avoid tight bends that can collapse or restrict flow.
Quick-disconnect fittings and properly sized hose barbs reduce the chance of leaks. Ensure the kit includes or specifies the correct hose diameters for the Kia Soul s ports, and plan routing that keeps hoses away from hot exhaust components and moving parts.
Capacity and Drain Accessibility
Capacity determines how often you need to service the can. Larger reservoirs allow longer intervals between drains but can be bulkier and harder to fit. Smaller cans may fit easily but require more frequent attention, which can be a maintenance burden.
Drain accessibility is equally important. A well-placed drain valve or plug that can be operated from under the hood without removing the can simplifies routine service. Consider whether you prefer a threaded plug, quick-drain valve, or reusable catch jar based on how comfortable you are with regular maintenance.
Materials and Construction Quality
Durable materials such as anodized aluminum or corrosion-resistant stainless components help the can withstand engine-bay heat and road salts. Threaded fittings, secure mounting brackets, and robust welds or seams reduce the risk of failure over time.
Inspect the expected sealing method for sight glasses, drains, and lid closures. O-ring seals and quality thread engagement prevent leaks. Higher construction quality usually translates to a longer service life and fewer maintenance surprises.
Maintenance Requirements and Serviceability
Routine service is inevitable for a catch can, so ease of maintenance should factor into the buying decision. Evaluate how simple it is to remove the can, open it for cleaning, and reinstall it correctly. Units that require special tools or partial disassembly of surrounding components increase the time and complexity of service.
Check whether replacement filters or internal elements are user-replaceable and how often they should be changed. Clear inspection ports or graduated reservoirs can help you monitor when draining is necessary without removing the can.
FAQ
Do I need an oil catch can for my Kia Soul?
You do not always need one, but many owners add a catch can to reduce oil vapor entering the intake. Over time those vapors can contribute to intake and valve deposits, so a catch can can be useful if you are concerned about long-term maintenance or if the vehicle experiences heavy short-trip driving where oil does not fully burn off.
How often should the catch can be drained?
Drain intervals depend on driving conditions and the amount of blow-by from the engine. For many users, checking monthly and draining as needed is sufficient. If you observe rapid accumulation after short drives or heavy load use, check more frequently and establish a schedule that fits your driving pattern.
Will a catch can affect engine performance or check-engine lights?
A properly installed catch can that maintains correct crankcase ventilation flow should not trigger fault codes or harm performance. It is important to retain the original ventilation routing and use hoses of the correct diameter. Avoid restricting flow or creating vacuum conditions that the engine control system could interpret as a problem.
Can I install a catch can myself?
Many owners can install a catch can with basic mechanical skills and common hand tools, especially if the kit includes a purpose-built bracket and clear instructions. Installation complexity rises if the can requires custom mounting or rerouting of hoses in a crowded engine bay. If you are unsure, seek help from a technician familiar with the Kia Soul s engine layout.
Does a catch can require special maintenance tools or supplies?
Most maintenance involves periodic draining and occasional cleaning, which requires only a catch pan, basic hand tools, and a rag. Some units use replaceable filter elements that may require new parts over time. There are no specialized tools needed for routine service in typical setups.
How We Chose the Best Kia Soul Oil Catch Can
To assemble this list we focused on criteria that directly affect function and fitment on the Kia Soul. We prioritized filtration media and baffling design because those determine how effectively oil and sludge are separated from crankcase vapors. Mounting and hose routing were evaluated to ensure secure, vibration-resistant installation within the limited engine-bay space of the vehicle. Materials and corrosion resistance were considered to ensure durability in normal road conditions. Ease of maintenance, including drain access and service intervals, was important since regular emptying affects real-world usability. Finally, we checked compatibility with the Kia Soul s engine bay layout and common PCV routing to avoid units that require extensive modification. We excluded any options that lacked clear fitment guidance or used unproven separation methods. The final picks reflect units that balance effective separation, robust construction, straightforward installation, and reasonable maintenance demands.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right oil catch can for a Kia Soul comes down to balancing separation effectiveness, fitment, and ongoing maintenance needs. Prioritize a design with proven baffling or filtration, a mounting solution that fits your engine bay without excessive modification, and a drain arrangement you will actually service. Accepting small tradeoffs can pay dividends: a slightly larger can that reduces service frequency may be worth extra space, while a compact unit might suit tight bays if you are willing to check it more often. Focus on materials, hose compatibility, and serviceability to ensure long-term benefits for engine cleanliness and performance.
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