7 Best Oil Catch Cans for Jeep Grand Cherokee SRT: Protect Intake and Turbo Performance

If you drive a Jeep Grand Cherokee SRT, managing crankcase vapors is more than a maintenance chore. Excess oil and blow-by routed back into the intake can gum up throttle bodies, intake valves, and turbo components over time, which reduces responsiveness and increases the risk of detonation under heavy load. A properly chosen oil catch can traps oil and contaminants before they reach the intake tract, helping preserve performance and engine cleanliness. This guide covers the top shortlisted oil catch cans selected for the Grand Cherokee SRT, explains the criteria we used to evaluate them, and outlines installation and maintenance considerations. Read on to find options that balance separation efficiency, fitment, and serviceability for this high-output SUV.

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Top Picks at a Glance

DOPPAPS 6.4L Billet Oil Catch Can with Z-Bracket (Red)

Engine fitment	6.4L HEMI (2011–present)
Material	T6-6061 billet aluminum
Capacity	450 ml with sight glass
Hose	1/2" braided hose with stainless mesh sleeve
Max boost/temp	Rated to 25 PSI boost and 250°F underhood temps

This DOPPAPS catch can is built specifically for 6.4L HEMI vehicles and aims to reduce oil and moisture recirculation from the PCV/CCV system into the intake. It mounts with a reinforced Z-shaped bracket and a knurled quick-release cap for easier servicing. Inside the polished 450 ml billet reservoir a stainless steel/aluminum mesh baffle captures oil vapors and helps prevent carbon buildup that can cause misfires and knock. The kit includes braided fuel-grade hoses, adapters, hose clamps, and mounting hardware so most DIYers can install it with common hand tools. The can is laser-welded T6-6061 aviation aluminum and rated to withstand underhood heat and modest boost pressures, making it suitable for daily-driven or mildly tuned SRT-style Grand Cherokees. Limitations are typical of small-capacity units: the 450 ml reservoir needs periodic draining under heavy track use, and fitment must be verified for specific model years and engine bay layouts before purchase.

Best for: Buyers who want a ready-to-install, vehicle-focused catch can that reduces intake contamination and is easy to service on street-driven Grand Cherokee SRTs with the 6.4L HEMI.

Less Ideal for: Drivers planning heavy track days, aggressive boost increases, or who prefer large-capacity or multi-stage oil separators should consider larger or more advanced systems.

Verdict: A compact, vehicle-specific billet catch can that delivers straightforward installation and effective vapor capture for 6.4L Grand Cherokee SRT owners who want cleaner intake and easier maintenance.

K&N Air Oil Separator (81-0801) for Dodge Challenger/Charger and Durango

Brand	K&N
Model	81-0801
Reservoir capacity	6 oz.
Installation time	~30 minutes

This K&N air oil separator is a catch can-style unit engineered to trap oil and contaminants from crankcase venting before they reach the intake tract. It mounts in the engine bay in place of the factory vent line and uses OEM-style connectors and supplied hoses so lines snap on like factory parts. The 6-ounce reservoir provides higher capacity than many small catch cans, and the metal body and threaded fittings feel durable. Installation is advertised at about 30 minutes with basic tools and the reservoir can be checked and emptied without tools. In practice owners report solid fit and build quality and occasional need to re-route or trim hoses for tight engine bays. It is not CARB-legal for California on pollution-controlled vehicles, and hose routing or bracket hardware may require minor modification on some engines. For drivers focused on performance maintenance this separator reduces oil contamination of the intake and helps mitigate power loss and combustion issues over time.

Best for: Drivers who prioritize engine health and sustained performance and want a robust, vehicle-specific solution to keep oil out of the intake without major fabrication.

Less Ideal for: Users who need a CARB-compliant solution or those unwilling to make small routing or mounting adjustments during installation.

Verdict: Choose this K&N air oil separator if you want a high-capacity, vehicle-specific catch can that reduces intake oil contamination and supports long-term performance maintenance.

Jofynzo Billet Oil Catch Can with Z-Bracket for 6.4L HEMI

Fitment	6.4L HEMI, 2011–present (Charger/Challenger/Chrysler 300/Grand Cherokee)
Oil capacity	7 oz
Material	Carbon Steel
Mounting	Z-bracket corner mount with spacer

This Jofynzo billet catch can is a compact, vehicle-specific crankcase vapor separator that captures oil and moisture before they re-enter the intake on 6.4L HEMI engines. It mounts using the included Z-bracket and spacer for a clean under-hood install and is intended for Chrysler 300, Dodge Charger, Dodge Challenger, and Jeep Grand Cherokee 6.4L applications. The can holds about 7 ounces of oil and uses an internal high-volume design and small baffles to improve separation. The knurled cap makes draining quick and tool-free, and the powder-coated carbon steel body looks factory-finished. Installation is mostly plug-and-play, though the listing does not include detailed instructions and hoses may require trimming to length; some buyers replace the supplied hoses for heavier-duty fuel-line rated hose. That replaced or trimmed-hose step and the can size mean it needs periodic checks on high- blow-by engines, but for routine use it reduces oil contamination in the intake and helps preserve throttle bodies and MAF sensors.

Best for: Buyers who want a practical, under-hood solution to reduce oil in the intake tract on 6.4L HEMI engines and prefer a compact, factory-looking catch can that installs with a vehicle-specific bracket.

Less Ideal for: Drivers seeking a very large-capacity or service-free system for heavy track use or extremely high blow-by engines should consider higher-capacity or braided-hose aftermarket options.

Verdict: A compact, vehicle-specific billet catch can that gives practical oil separation and a factory look for 6.4L HEMI Grand Cherokee SRT owners who prioritize reliability and neat installation.

YEYETUO 300ml Baffled Aluminum Oil Catch Can Kit

Capacity	300 Milliliters
Material Type	Aluminum
Fit Type	Universal
Fuel Type	Gasoline

The YEYETUO 300ml baffled oil catch can is a compact, budget-friendly unit intended to trap oil and moisture before they reach the intake. It installs inline with the PCV/breather system and is typically mounted in the engine bay where it intercepts crankcase vapors. The aluminum can and internal baffle improve condensate separation and the included dipstick makes level checks straightforward. This kit includes hoses and basic hardware for a universal fit, but several buyers report the supplied hose is thin and may collapse under vacuum, so plan to replace it with a reinforced PCV hose for reliable long-term use. For a performance-minded engine like the Grand Cherokee SRT, the catch can helps reduce carbon and sludge buildup on intake valves and can support longevity when used with regular service and periodic draining. Installation is simple for an experienced DIYer but the kit does not include vehicle-specific instructions, so allow extra time to route lines and secure the can in a tight engine bay.

Best for: A cost-conscious owner who wants to reduce intake carbon and oil contamination on a high-performance SUV and is comfortable sourcing a better hose and doing a modest DIY install.

Less Ideal for: Buyers seeking a vehicle-specific, bolt-on solution with dedicated mounting brackets and instructions or those unwilling to replace supplied hoses should consider other options.

Verdict: A practical, affordable baffled catch can that protects a high-performance engine from oil and carbon buildup when paired with a reinforced hose and a careful DIY installation.

EVIL ENERGY Baffled 300ml Oil Catch Can Kit with NBR Hose

Capacity	300 Milliliters
Fuel Type	Diesel
Fit Type	Universal
Hose length	2.6ft (0.8m)

This baffled 300ml catch can is built as a practical, reliability-focused addition to a forced-induction or high-mileage Jeep Grand Cherokee SRT to reduce intake contamination from crankcase vapors. The aluminum can uses a removable baffle and included stainless steel wool to coalesce oil and moisture, and the threaded M16*1.5 inlet/outlet fittings and supplied NBR hose make a secure connection to PCV plumbing. Installation is typical for a universal kit: mount the bracket where space allows and route the hose between the valve cover and intake; some buyers needed extra hose or minor bracket modification to get a clean fit. The compact 300ml size fits tight engine bays common to SRT engines while still collecting a useful amount of condensate between services. Limitations to note are the universal bracket geometry and hose length which may require additional parts for an ideal install, and the manufacturer recommends more frequent checks in freezing conditions to avoid moisture-related blockages. For owners prioritizing long-term engine cleanliness and consistent intake performance, this catch can provides a durable, effective solution.

Best for: Jeep Grand Cherokee SRT owners who want a low-maintenance way to reduce intake oil contamination and protect engine longevity, prioritizing durable, practical upgrades over brand-name premium parts.

Less Ideal for: Buyers seeking a vehicle-specific, plug-and-play kit with exact-fit brackets and pre-measured hoses should consider SRT-tailored catch cans instead of a universal kit.

Verdict: A durable, compact baffled catch can that reliably cuts crankcase oil recirculation for owners focused on preserving the SRT engine over the long term.

RULLINE 350ml Universal Baffled Aluminum Oil Catch Can

Capacity	350 Milliliters
Product Grade	Performance Part
Fit Type	Universal
Fuel Type	Gasoline

This RULLINE 350ml catch can is a compact, universal baffled reservoir designed to intercept oil and moisture before they re-enter the intake. Installation is typical for catch cans: mount the can where space allows, connect the PCV/CCV and intake lines using one of the supplied adapters, and route the included braided hose. Notable features include a tig-welded aluminum body, an internal baffle to improve separation, a screw-in dipstick for quick level checks, and an upgraded braided hose for durability. In practice it reduces carbon and sludge buildup in the intake tract and is easy to inspect and remove for cleaning thanks to the screw-off cup. Trade-offs are its universal fit approach: the short supplied bracket and hose sizes may require custom mounting or different diameter hose on a Jeep Grand Cherokee SRT, and you may want to add a larger drain valve for easier service. For buyers prioritizing proven results and visible buildup reduction, this unit offers a solid, budget-friendly option that performs like pricier catch cans when installed and maintained correctly.

Best for: Jeep Grand Cherokee SRT owners who want a cost-effective aftermarket catch can to reduce intake carbon and oil deposits and who are comfortable customizing mounting and hose runs during installation.

Less Ideal for: Buyers who want a direct-fit, vehicle-specific kit with pre-sized hoses and mounting hardware out of the box should look for a model made specifically for the Grand Cherokee SRT.

Verdict: A practical, budget-friendly universal catch can that effectively reduces intake oil and carbon for Grand Cherokee SRTs when paired with proper hose adapters and a secure mount.

RANSOTO Billet Aluminum Oil Catch Can for 5.7L/6.4L HEMI (Z-Bracket)

Compatible engines	2011+ 5.7L and 6.4L HEMI
Material	T6061 billet aluminum
Drain	Knurled tool-free bottom drain
Mounting	Z-style bracket with hardware

This RANSOTO catch can is a purpose-built, bolt-on oil separator for 5.7L and 6.4L HEMI engines used on Dodge and Jeep performance models. It traps oil vapor and moisture from the PCV system before gases re-enter the intake, which helps reduce intake and valve carbon buildup and maintain engine performance over time. The unit is CNC-machined from T6061 billet aluminum with an anodized finish, includes a knurled tool-free drain plug, and ships with hoses, hardware, and a Z-style bracket that offers flexible mounting positions. Installation is mostly straightforward for a competent home mechanic, though some buyers report trimming hoses or swapping a bolt to get the best fit in tight engine bays. Practical benefits are cleaner intake surfaces, simpler drain access, and a durable, OEM-appearing finish. Limitations include occasional fitment fiddling with the supplied hoses and hardware and a small learning curve to pick the ideal bracket orientation on certain SRT layouts.

Best for: Buyers who prioritize protecting a high-mileage or performance HEMI by reducing intake carbon and want a durable, factory-looking, serviceable catch can that bolts on and stays out of the way.

Less Ideal for: If you want a completely universal plug-and-play kit with perfect hose fitment for every engine layout or prefer a can with integrated baffling specs provided by the manufacturer, consider other options or expect minor adjustments.

Verdict: A durable, HEMI-specific billet catch can that reduces intake carbon and offers easy draining, making it a practical choice for risk-conscious owners of 5.7L and 6.4L HEMI engines.

Choosing the Right Jeep Grand Cherokee SRT Oil Catch Can: Key Factors to Consider

Why the Grand Cherokee SRT Benefits From a Catch Can

The high-output SRT engine produces greater crankcase pressure and oil aerosol than a naturally aspirated unit. When those vapors are routed back into the intake, they carry oil and combustion byproducts that coat intake ports, throttle bodies, and turbocharger components. Over time, that buildup degrades throttle response and can impair turbo efficiency.

Adding a catch can intercepts these vapors, reducing deposit formation and preserving the original performance characteristics of the Grand Cherokee SRT. It also helps maintain consistent airflow characteristics and can make periodic intake cleaning less frequent and less intensive.

• Reduces oily residue on intake and turbo components
• Helps maintain consistent boost and throttle response
• Lowers frequency of intake cleaning and carbon removal

Common Installation Considerations for the SRT Engine Bay

Plan mounting location and hose routing before you start. The SRT engine bay has limited free space, and routing hoses over hot surfaces or sharp edges can shorten hose life. Choose a mounting point that allows the drain valve to be accessed without removing other components.

Make sure hoses have gentle curves to avoid collapsing and that clamps are correctly sized. Confirm clearance with the hood and surrounding components, and consider heat protection sleeves for hoses routed near exhaust manifolds or turbocharger housings.

• Pre-fit brackets and mock-rout hoses before final tightening
• Avoid routing hoses across moving parts or tight bends
• Use heat sleeves where hoses pass near hot components

How Catch Cans Affect Turbocharged Engines

For turbocharged SRT models, preventing oil aerosols from reaching the compressor wheel and intercooler is especially important. Oil buildup on the compressor or intercooler reduces heat transfer efficiency and can decrease the turbocharger's ability to recover between boost events. A catch can helps keep the intake tract drier and preserves boost response.

However, catch cans must not create excessive restriction in the PCV circuit. Proper hose sizing and routing ensure crankcase pressure is vented appropriately while maintaining engine ventilation and preventing leaks that could affect engine management systems.

• Reduces oil carryover that can foul the turbo and intercooler
• Supports consistent boost behavior when properly plumbed
• Requires correct hose sizing to avoid ventilation restrictions

Maintenance Schedule and Best Practices

Establish a routine inspection interval based on driving style. If you drive the Grand Cherokee SRT gently, check the can every few thousand miles. For spirited driving, towing, or track use, inspect more often. Empty the can before it reaches capacity to ensure continued separation performance.

When draining, record how much oil is collected and note any milky coloration, which can indicate coolant contamination. Clean internal baffles as needed and replace any hoses that show cracking or softening. Keep fittings tight and recheck clamps after a few heat cycles.

• Inspect more often after aggressive driving or towing
• Empty before full and document collected fluid characteristics
• Replace hoses showing wear and re-torque clamps after heat cycles

Legal and Emissions Considerations

In some jurisdictions, modifying the PCV system or vent routing can have emissions implications. For the Grand Cherokee SRT owner, ensure the catch can installation does not violate local regulations regarding crankcase ventilation. Some owners choose catch cans designed to return vapors to the intake after separation to remain compliant.

If your jurisdiction requires sealed systems, prefer solutions that meet local emissions rules and consult a qualified installer or your local authority when in doubt.

• Check local rules on PCV modifications and vent routing
• Consider return-to-intake designs where regulations require sealed systems
• Document installation details if inspections or emissions tests are expected

Upgrading Hoses and Fittings for Longevity

Upgrading to heat-resistant, oil-tolerant hoses increases reliability in the SRT engine bay. Quality hose materials resist collapse and degradation, preserving PCV flow under vacuum and in high-temperature areas. Metal or anodized fittings reduce the likelihood of brittle plastic failure under heat.

Choose clamps rated for automotive underhood use and verify all connections are secure after initial heat cycles. A well-built hose and fitting setup reduces leak points and ensures the catch can performs consistently.

• Use heat-resistant, oil-tolerant hoses for critical runs
• Prefer metal fittings and quality clamps to reduce failure risk
• Recheck connections after a few heat cycles to ensure longevity

How We Chose the Best Jeep Grand Cherokee SRT Oil Catch Can

We prioritized items that deliver reliable oil-vapor separation, proven fitment for the Jeep Grand Cherokee SRT engine bay layout, and service-friendly features owners will use regularly. Key evaluation criteria included separation performance under boost and idle conditions, construction quality and corrosion resistance, mounting and hose routing compatibility with SRT engine components, and how easy the unit is to drain and inspect. We also considered kit completeness, such as included fittings, brackets, and hose lengths appropriate for the Grand Cherokee SRT configuration. Our selection excluded universal-looking solutions that require extensive custom fabrication or that lack secure mounting options for the SRT engine bay. We did not include units with unclear servicing access or those that rely solely on cheap plastic components prone to heat distortion. Final choices reflect a balance of durability, real-world functionality, and straightforward installation for owners who want to maintain turbo and intake cleanliness without frequent rework.

Our full evaluation process is outlined in our review methodology.

FAQ

Final Verdict

Selecting the right oil catch can for your Jeep Grand Cherokee SRT means balancing separation performance, durable construction, and a mounting layout that fits the cramped SRT engine bay. Prioritize a design with effective internal baffles or media, serviceable drain access, and hoses and fittings rated for heat and oil exposure. Consider how often you drive aggressively when choosing capacity so service intervals match your routine. Ultimately, a well-chosen catch can reduces intake contamination and helps preserve turbo and throttle response. Focus on fitment and serviceability first, then on separation efficiency and materials to arrive at a practical choice that supports long-term engine health.

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