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The factory airbox on your 2012-2018 Jeep Wrangler JK 3.6L Pentastar V6 chokes airflow with a narrow, convoluted intake tract designed for quiet cruising — not for delivering the air your engine craves on the trail or the highway. The Flashark Cold Air Intake Kit replaces that restrictive stock box with a smooth 3-inch (76mm) mandrel-bent aluminum tube, a high-flow dry cotton gauze filter, and a sealed heat shield that pulls cooler, denser air from outside the engine bay.
The result is a measurable improvement in throttle response, a deeper intake growl under acceleration, and an estimated 7-10% horsepower gain (20-29 HP) with 5-7% more torque (13-18 lb-ft) — all without requiring a tune. The black powder-coated finish resists under-hood heat and corrosion, while the dry filter means no messy oiling and no risk of MAF sensor contamination. Bolt-on installation takes about 45 minutes with basic hand tools. No cutting, no drilling, no check engine lights.
⚠️ Note: This intake is designed for the 3.6L Pentastar V6 only. It does NOT fit the 2.0L turbo, 3.0L EcoDiesel, or 3.8L V6 (2007-2011) Wrangler models.
Key Features
3" (76mm) Mandrel-Bent Aluminum Tube — Smooth, unrestricted airflow path replaces the factory corrugated tube; black powder-coated finish for heat resistance and corrosion protection
Dry Cotton Gauze Filter — No Oil Required — High-flow washable dry filter element; no oiling means zero risk of MAF sensor contamination, a common issue with oiled filters on the Pentastar V6
Sealed Heat Shield with Edge Trim — Isolates the filter from engine-bay heat, drawing cooler, denser air for consistent power delivery; black edge trim ensures a snug seal against the hood liner
No Tune Required — Plug-and-play bolt-on design; works with factory ECU programming without triggering a check engine light or requiring a custom tune
Deeper Intake Growl — Replaces the muffled factory intake note with a more aggressive induction sound under load — without being obnoxiously loud at idle
Washable & Reusable Filter — Clean and re-oil-free maintenance every 15,000-20,000 miles (more frequently in dusty off-road conditions); saves money over disposable paper filters
Complete Bolt-On Kit — Includes all necessary couplers, clamps, hardware, and installation guide; typical install time 30-45 minutes with basic hand tools
Specifications
SKU: BQM0004005
Brand: Flashark
Vehicle Fitment: 2012-2018 Jeep Wrangler JK (2-door & 4-door Unlimited)
Engine: 3.6L V6 Pentastar (Chrysler ERV)
Pipe Diameter: 76mm (3.0")
Pipe Material: Aluminum piping
Tubing Finish: Black powder-coated
Filter Type: Dry cotton gauze
Filter Color: Red
Heat Shield: Black powder-coated steel with edge trim
Couplers: Silicone reducer couplers
Clamps: Stainless steel T-bolt clamps
CEL Risk: None (designed to work with stock MAF sensor readings)
Installation Time: 30-45 minutes
Tools Required: Basic hand tools (socket set, screwdriver, pliers)
Filter Maintenance: Clean every 15,000-20,000 miles (5,000-10,000 in dusty conditions)
Warranty: 1 Year
Emissions Note: 50-state legal (does not modify emissions systems)
Customer Service: service@flasharkracing.com
Package Includes
1x Black powder-coated aluminum intake tube (76mm / 3.0")
1x Red dry cotton gauze cone filter
1x Black powder-coated steel heat shield
1x Black edge trim (for heat shield sealing)
2x Silicone reducer couplers
1x Rubber ventilation hose
4x Stainless steel T-bolt clamps
1x Installation hardware kit (bolts, washers, nuts, brackets)
1x Installation instructions manual
| Years | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2012-2018 | Jeep | Wrangler JK | 3.6L V6 Pentastar (Chrysler ERV) | 2-door & 4-door Unlimited; all trims — Sport, Sahara, Rubicon, Rubicon Recon, Willys Wheeler, Freedom Edition, Altitude, Chief, Golden Eagle; 4WD |
| 2012-2018 | Jeep | Wrangler Unlimited JK | 3.6L V6 Pentastar (Chrysler ERV) | 4-door Unlimited; all trims; 4WD |
💡 Pro Tip: The 3.6L Pentastar V6 was introduced in the Wrangler JK in 2012, replacing the 3.8L V6. If your 2012 Wrangler still has the 3.8L (rare transitional builds), this intake will NOT fit. Check your engine bay — the 3.6L Pentastar has a plastic intake manifold with "3.6L" cast into it, while the 3.8L has a larger aluminum manifold. When in doubt, check your VIN decoder or door jamb sticker.
Q: Will this intake fit my 2018 Jeep Wrangler JL?
A: No. This intake is designed specifically for the 2012-2018 Jeep Wrangler JK (the previous-generation platform). The 2018+ Wrangler JL has a completely redesigned engine bay, different intake routing, and a different MAF sensor housing. If you have a JL, you need an intake specifically listed as JL-compatible.
Q: Do I need a tune after installing this cold air intake?
A: No tune is required. The Flashark CAI is designed to work within the factory ECU's adaptive range. The stock 3.6L Pentastar ECU will automatically adjust fuel trims to accommodate the increased airflow. You will not trigger a check engine light (CEL) under normal driving conditions. However, if you have already installed a performance tune, this intake will complement it and may yield slightly higher gains.
Q: How much horsepower will I gain?
A: Based on the stock 285 HP output of the 3.6L Pentastar V6, you can expect an estimated 7-10% increase (approximately 20-29 HP) and 5-7% more torque (13-18 lb-ft). Actual gains depend on altitude, fuel quality, ambient temperature, vehicle condition, and whether you have other modifications. The most noticeable difference is improved throttle response and a deeper intake sound — not just peak numbers.
Q: Will this cause a check engine light (CEL)?
A: No. This intake is designed to work with the factory MAF sensor without modifying its housing or readings. The stock ECU adapts to the increased airflow within its trim range. If you do get a CEL after installation, it typically means a loose coupler or clamp is causing an unmetered air leak — double-check all connections and ensure the MAF sensor is properly seated.
Q: How often do I need to clean the filter?
A: We recommend cleaning the dry cotton gauze filter every 15,000-20,000 miles under normal driving conditions. If you frequently drive off-road, in dusty environments, or in heavy rain, clean it every 5,000-10,000 miles. Use a mild soap and water solution, rinse thoroughly, and let it air dry completely before reinstalling. No filter oil is needed — this is a dry filter.
Q: Is the filter oiled or dry? Do I need to oil it?
A: The filter is a dry cotton gauze filter — no oil required. This is intentional: oiled filters can over-oil and contaminate the MAF sensor on the 3.6L Pentastar, causing rough idle and CEL codes. The dry filter provides the same high-flow performance without the oiling hassle or sensor risk.
Q: How long does installation take?
A: Typical installation time is 30-45 minutes using basic hand tools (socket set, screwdriver, pliers). The kit is a direct bolt-on replacement for the factory airbox — no cutting, drilling, or permanent modifications required. The included instruction manual walks you through each step. If you can change your own oil, you can install this intake.
Q: Will this work with my Rubicon trim?
A: Yes. This intake fits all 2012-2018 Wrangler JK trims, including Sport, Sahara, Rubicon, Rubicon Recon, Willys Wheeler, and special editions. The 3.6L Pentastar V6 and intake system are identical across all trims. Rubicon models with factory hood vents will benefit from additional cool-air supply to the sealed heat shield.
Q: Can I use this with a snorkel kit?
A: This intake is designed as a replacement for the factory airbox in the stock location. It is not designed to integrate with a snorkel. If you have a snorkel kit that replaces the factory airbox with a remote-mounted filter, this CAI would not be compatible. If your snorkel feeds into the stock airbox location, the sealed heat shield design may still work, but you should verify compatibility with your specific snorkel kit before purchasing.
Q: Does this intake affect fuel economy?
A: The intake itself does not directly change fuel economy. Some users report a 1-2 MPG improvement on the highway due to reduced pumping losses and more efficient combustion. However, if you find yourself driving more aggressively because of the improved throttle response and intake sound (which is common!), you may see no change or even a slight decrease. Results vary by driving style.
Q: Is this intake emissions-legal in my state?
A: This cold air intake does not modify or remove any emissions equipment. It is a replacement air intake system that maintains the factory MAF sensor and does not alter emissions-related engine parameters. It is generally considered street-legal in all 50 states. However, always check your local regulations, especially if you live in California or other states with strict emissions inspection programs.
Q: What is the warranty on this product?
A: This product is covered by a 1-year warranty against manufacturing defects in materials and workmanship. If you experience any issues with the product within the warranty period, please contact us at service@flasharkracing.com with your order number and a description of the issue. We also offer a 30-day money-back guarantee if you are not satisfied with your purchase.
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