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If you drive a Lexus IS, choosing the right oil catch can can help keep the intake tract and PCV system cleaner over time. The right unit captures oil and vapor before they reach the intake, which reduces deposit buildup and can support more consistent engine breathing.This guide highlights the top shortlisted options specifically for the Lexus IS and explains the practical tradeoffs we considered, such as mounting and hose routing, filtration efficiency, and serviceability. Read on to see the primary evaluation points and learn what to expect when fitting one to your vehicle.
Looking for other parts? See all Lexus IS parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | K&N 81-0813 Oil Catch Can |  |
| Best quality Built to a higher standard if you want something more solid | EVIL ENERGY 300ml Baffled Oil Catch Can with 5ft NBR Hose Kit |  |
| Best Value The sweet spot between price and what you get | muge racing 400ml Universal Baffled Oil Catch Can Kit with Breather Filter |  |
| Best budget The cheapest option that still gets the job done reliably | YESHMA 750ml Billet Aluminum Baffled 2-Port Oil Catch Can with Breather Filter |  |
| Highest Rated A top-rated pick with lots of positive feedback | EVIL ENERGY 300ml Baffled Oil Catch Can with NBR Hose Kit |  |
| Most popular A crowd favorite that many people choose with confidence | TEMSONE Universal 2-Port Aluminum 750ml Baffled Oil Catch Can with Breather and Drain Valve |  |
| Best Seller A high-volume bestseller chosen again and again | EVIL ENERGY 300ml Baffled Oil Catch Can Kit with Breather Filter |  |
1. K&N 81-0813 Oil Catch Can
| Model Number | 81-0813 |
|---|---|
| Manufacturer | K&N Engineering, Inc. |
| Included Components | Catch Can |
| Automotive Fit Type | Vehicle Specific Fit |
The K&N 81-0813 air oil separator is built to trap blowby oil and reduce intake contamination, which helps protect combustion efficiency and reduce the chance of detonation. It installs in about 30 minutes using factory-style hose connections and basic tools and mounts in a convenient location using included fittings so routine emptying is simple and tool-free. The unit’s high-capacity reservoir and machined black finish give it a durable, serviceable feel and the manufacturer designs each unit for specific vehicles to simplify fitment. In practice this can reduce oily buildup on intake components and extend turbo and intercooler cleanliness on boosted Lexus IS engines. Limitations include vehicle-specific fitment that may be blocked by unexpected engine-bay hoses or routing on some model years and a manufacturer warranty term listed at three months in the product details.
Best for: Balanced owners seeking a reliable, easy-to-install catch can to reduce intake contamination and maintain engine performance on a Lexus IS without major modification.
Less Ideal for: Buyers who need universal or multi-vehicle coverage or who prefer extremely long manufacturer warranties should consider other options.
- Vehicle-specific engineering simplifies installation and hose routing for the intended fitment
- High-capacity reservoir captures oil and contaminants to reduce intake and combustion system buildup
- Factory-style connectors and quick-release hoses make periodic draining tool-free
- Durable machined finish and solid-feeling components for long-term serviceability
- Fitment can be blocked by unexpected hoses or components in some engine bays
- Manufacturer warranty listed as three months in product details
Verdict: A purpose-built, easy-to-install catch can that helps keep intake systems cleaner and preserves engine performance on the intended vehicle fitment.
2. EVIL ENERGY 300ml Baffled Oil Catch Can with 5ft NBR Hose Kit
| Capacity | 300 Milliliters |
|---|---|
| Hose length | 5 ft (1.5 m) |
| Hose ID | 3/8" |
| Thread size | M16*1.5 |
| Fuel Type | Gasoline |
This EVIL ENERGY catch can is a compact, baffled separator intended to intercept crankcase vapors before they reach the intake. It is typically mounted inline with the PCV/vent hoses or used as a vent for pre-PCV setups and includes a removable baffle and steel wool to improve coalescing of oil droplets. The kit comes with a 5 ft NBR hose and M16*1.5 threaded ports for a secure connection, plus mounting hardware and a dipstick for checking fluid level. In practice the can collects oil residue that would otherwise contribute to intake valve and throttle-body gunk, which helps maintain engine response and longevity on performance engines. Installation is straightforward for someone comfortable routing hoses in the engine bay, though some buyers needed extra hose or alternate fittings to get an optimal fit and cleaner routing. The 300 ml capacity keeps the unit compact and easy to hide but means it will require periodic emptying on engines with heavy blow-by. Note that in very cold climates moisture can freeze, so cleaning frequency should be increased or the factory routing restored in freezing conditions.
Best for: Performance-oriented owners who prioritize keeping intake valves and throttle components clean to preserve responsiveness and engine life and who are comfortable adapting a universal kit to their engine bay.
Less Ideal for: Buyers seeking a vehicle-specific, drop-in solution with guaranteed fitment and no modification should consider a model made specifically for their Lexus IS instead.
- Baffled internals plus steel wool improve oil separation and reduce intake contamination.
- Solid aluminum construction and threaded M16*1.5 ports offer leak-resistant connections.
- Includes 5 ft NBR hose with good heat and wear resistance for flexible routing.
- Compact 300 ml capacity mounts conveniently in tight engine bays.
- Dipstick and removable baffle make inspection and maintenance simple.
- Universal fittings and supplied hose may not match every vehicle and can require additional hose or adapters.
- 300 ml capacity will need more frequent draining on high blow-by or turbocharged engines.
- Bracket design may need modification for some engine bay layouts to allow easy removal of the can.
Verdict: A well-made, compact baffled catch can that delivers effective oil separation for performance-minded owners but may need extra hose or fittings for a clean install on a Lexus IS.
3. muge racing 400ml Universal Baffled Oil Catch Can Kit with Breather Filter
| Capacity | 400 ml |
|---|---|
| Material | Aluminum |
| Hose size included | 3/8" fuel line |
| Installation options | Vented with breather or sealed with plug |
This muge racing kit is a budget-friendly oil catch can option for drivers looking to reduce intake tract oil and moisture on a Lexus IS. The 400 ml baffled aluminum reservoir separates vapor into liquid using steel wool and internal baffles, and a dipstick makes level checks straightforward. The kit includes a breather filter for vent-to-atmosphere installs or a plug to run it sealed back to the intake, plus three adapter fittings and hose clamps to fit different hose sizes. In practice it will slow carbon and sludge buildup on intake components and help maintain throttle body and intake valve cleanliness on direct-injection engines. Expect to replace the supplied thin hose with heavier automotive-grade line for a durable install and be prepared to fabricate or relocate the mounting bracket for a tidy firewall fit on some Lexus IS layouts. Some users report fitting and sealing quirks with the adapters and breather on certain engines, so plan for basic sealing work during installation.
Best for: Practical optimizers who want an affordable, functional catch can to reduce intake oil contamination on a Lexus IS without paying for premium branded units.
Less Ideal for: Those who want a bolt-in, vehicle-specific kit with matched brackets and high-end braided fittings should consider purpose-made Lexus IS kits instead.
- 400 ml baffled aluminum reservoir captures oil and moisture effectively
- Includes breather filter and plug for vented or sealed configurations
- Dipstick lets you check collection level without disassembling the can
- Adapter fittings and hose clamps provided to support multiple hose sizes
- Supplied hose is thin and often requires replacement with heavier automotive hose
- Mounting bracket may need modification or a custom bracket for a clean Lexus IS install
- Some adapters and fittings have produced leaks for a minority of users requiring additional sealant
Verdict: A cost-conscious, functional catch can for Lexus IS owners who are willing to upgrade the supplied hose and tweak the mount for a reliable installation.
4. YESHMA 750ml Billet Aluminum Baffled 2-Port 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 option that captures oil and blow-by vapors before they re-enter the intake, helping keep intake ports and valves cleaner under spirited driving or extended use. It is made from anodized billet aluminum with an internal baffle and includes a breather filter, multiple fittings, a hose clamp, and a drain valve for periodic emptying. Installation is typical of universal cans: mount it in the engine bay, plumb the PCV and intake or vacuum lines to the two ports, and route a drain to service it easily. Practical benefits include a roomy 750ml reservoir for less frequent draining, a visible drain for convenient maintenance, and a machined finish that looks tidy under the hood. Limitations to consider are universal fitment requires custom hose routing and possibly additional brackets for a clean installation on a Lexus IS, and some buyers reported quality-control issues like machining debris in threads or a less-than-perfect drain seal which may need inspection or minor cleanup before install.
Best for: Budget-conscious Lexus IS owners who prioritize lowering intake contamination without paying for a vehicle-specific kit and are comfortable making small fitment adjustments during installation.
Less Ideal for: Shoppers who want a plug-and-play, vehicle-specific OEM-style kit or who prefer a pre-baffled system guaranteed to fit without any modification should look elsewhere.
- Billet aluminum construction with anodized finish resists corrosion and looks tidy in the engine bay.
- 750ml capacity reduces how often you need to service the can during extended driving.
- Includes internal baffle and breather filter to improve separation of oil from crankcase vapors.
- Drain valve and supplied fittings make routine emptying and plumbing straightforward.
- Universal design may require custom mounting or hose modifications for clean fitment on a Lexus IS.
- Some users reported machining debris in ports and imperfect drain sealing that may require inspection or minor rework.
Verdict: A roomy, inexpensive billet-aluminum catch can that delivers basic oil separation for a Lexus IS but needs careful pre-install inspection and some custom fitting for a tidy result.
5. EVIL ENERGY 300ml Baffled Oil Catch Can with NBR Hose Kit
| Capacity | 300 Milliliters |
|---|---|
| Hose length | 5 ft (1.5 m) |
| Hose ID | 3/8" |
| Fitting thread | M16×1.5 |
This 300ml EVIL ENERGY catch can is a universal baffled unit designed to trap oil vapor and moisture before they re-enter the intake system. It installs inline with PCV or breather hoses and can be used with or without the breather filter depending on your setup. The kit includes a removable baffle, steel wool for coalescing, and a 5 ft NBR hose with M16x1.5 threaded fittings to make routing and sealing straightforward. In practice the can collects visible residue and helps keep intake passages and valves cleaner, which supports long-term reliability on engines prone to carbon buildup. The aluminum body and machined fittings feel robust for the price, though some buyers report the supplied hose length or fitting sizes may require sourcing additional hose or clamps to achieve a tidy install. Also take care in cold climates since moisture can freeze and clog the system unless the can is inspected and drained more frequently. For a reliability-focused install on a Lexus IS, expect to plan hose routing and verify fitting sizes for a clean, secure fit in the engine bay.
Best for: A reliability-focused Lexus IS owner who prioritizes protecting the intake and minimizing long-term carbon buildup by adding a straightforward, durable catch can.
Less Ideal for: Drivers who need a direct bolt-on, model-specific solution without any custom hose routing or who cannot perform periodic inspections and draining in cold weather.
- Baffled design with removable baffle and steel wool improves oil separation effectiveness.
- Solid aluminum construction and machined fittings give a durable, serviceable feel.
- Includes 5 ft NBR hose with good heat and wear resistance for flexible routing.
- 300 ml capacity is compact yet large enough to reduce maintenance frequency.
- Universal fittings may not match factory hose sizes on some vehicles and can require additional hose or clamps.
- Can accumulate moisture that risks freezing in very cold climates unless drained frequently.
Verdict: A compact, well-built baffled catch can that reliably traps oil vapors to help keep a Lexus IS intake cleaner over time.
6. TEMSONE Universal 2-Port Aluminum 750ml Baffled Oil Catch Can with Breather and Drain Valve
| Fit Type | Universal |
|---|---|
| Manufacturer | TEMSONE |
| Fuel Type | Gasoline |
| Item Weight | 1.52 pounds |
This TEMSONE catch can is a simple, convenience-minded way to reduce oil and moisture recirculating from the PCV system into a Lexus IS intake. It mounts as a universal two-port unit and uses an internal baffle and brass screen plus the supplied breather to separate condensate and oil from blow-by, collecting it in the 750 ml reservoir. Typical use is inline with the PCV and intake plumbing where the can traps oil and allows periodic draining through the included valve instead of frequent removal. The aluminum body feels durable and corrosion resistant, and the drain valve plus included hose fittings make maintenance straightforward. Limitations to be aware of are that hoses are not included and some users report the internal screen can be restrictive on certain engines, which may require modification or choosing a different inlet configuration for the Lexus IS. Also the universal fit means you may need adaptors or clamps to match factory ports on the IS.
Best for: Owners seeking a low-effort way to cut intake oil contamination on a Lexus IS who prioritize simple installation and less frequent maintenance over a vehicle-specific kit.
Less Ideal for: Drivers who want a plug-and-play, model-specific catch can engineered for exact Lexus IS port sizes or those who prefer a fully assembled kit with hoses and vehicle-specific brackets.
- Large 750 ml capacity reduces frequency of emptying compared with smaller cans
- Aluminum construction resists corrosion and feels sturdy for underhood use
- Includes breather filter and drain valve for easier routine maintenance
- Baffled internal design helps separate oil and moisture from blow-by
- No hoses included so additional fittings and hose purchases are required
- Internal brass screen may be overly restrictive on some engines without modification
- Universal fit may require adapters or trimming to match Lexus IS PCV ports
Verdict: A budget-friendly, large-capacity universal catch can that simplifies maintenance for convenience-focused Lexus IS owners but may need hoses or minor mods for a perfect 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 Lexus IS Oil Catch Can: Key Factors to Consider
Fitment and Mounting
Fitment matters because space under the hood is limited and components must not interfere with moving parts or heat sources. Confirming mounting points and bracket options affects installation time and whether modifications are needed. A design that uses existing service holes or accessible brackets makes installation straightforward and reduces the chance of vibration-related loosening.
Mounting height and orientation also influence how the unit drains and how easy it is to access for routine checks. Consider whether the catch can sits above or below the drain petcock and how hose routing will avoid sharp bends or contact with hot surfaces. Good fitment reduces the risk of kinking hoses and simplifies maintenance.
Filtration and Internal Baffle Design
The internal separation method determines how effectively oil droplets and vapor are removed from the crankcase emissions. Baffles, filter media, or mesh elements create surfaces for condensate to form and drip out; more sophisticated designs typically capture finer particulates and reduce oil carryover to the intake.
Think about whether the system vents to atmosphere or recirculates to the intake, and how the internal layout prevents re-entrainment of collected oil. A well-engineered baffle reduces the frequency of drainage and helps maintain steady PCV flow under varying engine loads.
Capacity and Drainage
Capacity determines how often you must service the catch can. Larger reservoirs extend intervals between drains but may add bulk and weight. Smaller cans are compact but require more frequent attention, which can be inconvenient for drivers who cover long distances between maintenance opportunities.
The drain mechanism is equally important. A bottom-mounted petcock or quick-release valve that can be accessed without removing the unit simplifies routine service. Clear sight tubes or transparent windows let you check fill level without tools, helping you avoid overfilling and potential re-entrainment.
Hose Compatibility and Routing
Correct hose diameter and material ensure proper flow and longevity. Hoses must resist oil exposure, heat, and vacuum without collapsing. Flexible but durable lines make routing easier and reduce the risk of premature failure from chafing or heat degradation.
Plan routing to minimize sharp bends and to keep hoses away from exhaust components. Secure hose runs with clamps or brackets to prevent movement. Compatibility with OEM fittings and PCV ports reduces the need for adapters and simplifies installation.
Vent Options and Emissions Considerations
Some catch cans vent to atmosphere while others return filtered vapors to the intake. The choice affects legal and emissions considerations in some areas, and it influences how the engine manages crankcase pressure and emissions recirculation.
If you choose an open-vented system, expect some visible discharge on the ground during service. Closed-loop designs tie back into the breathing system and maintain emissions routing but rely on effective filtration to prevent intake contamination. Evaluate local regulations and personal priorities when selecting venting style.
Materials and Long-Term Durability
Materials determine corrosion resistance and structural longevity in an engine bay exposed to heat, road salt, and fluids. Common choices include aluminum and stainless steel; look for quality machining, anodizing, or coating that resists pitting and flaking over time.
Threaded fittings, welds, and seals should be robust to avoid leaks. Durable construction reduces the likelihood of failure from vibration or thermal cycling and helps maintain a consistent seal between the catch can and hoses during the life of the vehicle.
How We Chose the Best Lexus IS Oil Catch Can
We selected products based on criteria that matter for installing an oil capture solution on a Lexus IS and for ongoing reliability. Primary filters included fitment and mounting options tailored to the engine bay layout, the quality and type of internal baffle or filtration media, and how the unit integrates with the vehicle's PCV and intake plumbing. Serviceability was a key factor, so we favored designs that allow easy draining and inspection without complex disassembly. Durability of materials and corrosion resistance were assessed to ensure long-term performance in the engine compartment. We also considered installation complexity and whether a catch can kit provided clear hoses, clamps, and instructions suitable for DIY or professional fitment.We excluded items that required extensive fabrication, unclear compatibility with the Lexus IS engine bay, or lacked documented venting or baffling details. Our focus was on solutions that balance capture efficiency, ease of install, and practical maintenance for everyday driving and occasional spirited use.
Our full evaluation process is outlined in our review methodology.
FAQ
Do I need an oil catch can on my Lexus IS?
It often depends on how you use the vehicle. For drivers who want to limit intake and throttle-body deposits or those who do frequent high-load driving, a catch can can reduce oil accumulation. For mostly gentle, low-mileage use, the benefits may be less pronounced. Consider your driving style and maintenance willingness.
How often should a catch can be emptied?
Drain intervals vary based on engine condition and driving type, but many owners check the can every oil change or every few thousand miles. Heavy city driving or high-boost operation can fill cans faster. Use clear indicators or regular inspections to avoid overfilling.
Will installing a catch can affect my engine warranty?
Warranty outcomes vary by region and provider. A properly installed catch can that does not modify emissions control hardware is less likely to raise issues, but any aftermarket change could be scrutinized. Keep installation reversible and document the parts and work in case questions arise.
Can I install a catch can myself on a Lexus IS?
Many catch can installations are suitable for competent DIYers and require basic hand tools, hose clamps, and common fittings. However, some setups need careful routing in tight spaces or removal of components for access. If you are unsure, a professional installer can ensure secure mounting and leak-free connections.
Does a catch can need to be large for turbocharged engines?
Turbocharged engines can produce more oil-laden vapors under boost, so a larger capacity or more efficient separation method can be beneficial. That said, proper baffle design and filtration often matter more than sheer volume. Matching the can to your usage profile is key.
Conclusion
Choosing the right oil catch can for a Lexus IS means balancing fitment, filtration efficiency, and serviceability. Prioritize a unit that fits neatly in the available space, provides reliable internal separation, and offers an accessible drain.Be mindful of hose routing, materials, and whether the system vents back into the intake or to atmosphere. Those tradeoffs determine maintenance frequency and long-term protection for the intake and PCV system, so select the combination that matches your driving habits and maintenance preferences.
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