Next Level Performance
September 3, 2026 • 9 min read
If you own a 2015–2024 Lexus RC F, a Lexus RC F cold air intake is the first bolt-on most owners reach for — and for good reason. The 5.0L 2UR-GSE V8 makes a stout 467 horsepower at 7,100 rpm, but it draws through a restrictive factory airbox that muffles both airflow and the V8’s glorious induction note. Swapping in a high-flow intake wakes up throttle response, adds an aggressive top-end growl, and delivers a modest tune-free power bump. Below we compare the three best cold air intakes we stock for the RC F — the AEM Dryflow, the aFe Takeda Pro 5R, and the aFe Takeda Pro Dry S — head to head on filtration, airflow, maintenance, and price.
Our Verdict
The AEM Dryflow cold air intake is our top pick for the 2015–2024 Lexus RC F — the best blend of airflow, a maintenance-free synthetic filter, and a carbon-fiber lid that dresses up the 5.0L V8 engine bay.
On a budget or want a factory-backed dyno figure? The aFe Takeda Stage-2 systems deliver a published +9 horsepower and +9 lb-ft with a 24% airflow gain, and let you choose oiled (Pro 5R) or dry (Pro Dry S) filter media. All three bolt onto the 2UR-GSE V8 in about an hour with no tune required.
Shop Our Top Pick →Why the RC F Factory Airbox Holds Back the 2UR-GSE V8
The Lexus RC F’s 2UR-GSE is one of the last great naturally aspirated V8s — a 5.0-liter unit rated at 467 hp and 389 lb-ft of torque, revving to a 7,300 rpm redline. From the factory it breathes through a sealed plastic airbox with a paper panel filter and a molded intake tract sized for quiet, emissions-friendly operation rather than maximum flow. On a large-displacement, high-revving V8, that restriction becomes the low-hanging fruit for anyone chasing crisper response.
A cold air intake replaces the factory box with a larger conical filter, a smooth mandrel-bent tube, and a heat shield that isolates the filter from radiant engine heat. The result is a measurable drop in intake restriction. aFe backs its Takeda Stage-2 systems with a dyno-verified +9 horsepower, +9 lb-ft of torque, and a 24% increase in airflow over the stock intake — and just as importantly, the V8 finally gets to sing under wide-open throttle.
AEM’s mandrel-bent aluminum tube and carbon-fiber heat-shield lid for the RC F.
Lexus RC F Cold Air Intake Comparison: AEM vs aFe Takeda
All three intakes are direct bolt-on systems that reuse the factory mass-air-flow (MAF) sensor, install in about an hour, and require no ECU tune. The core decision comes down to filter media — oiled versus dry — and how much you value the AEM’s carbon-fiber finish. Here is how they stack up:
| Kit | Filter Media | Filter Care | Best For | Price |
|---|---|---|---|---|
| AEM Dryflow Cold Air IntakeTop Pick | Dryflow synthetic (dry) | Wash & dry — no re-oil | Tune-free power + carbon-lid looks | $524.99 |
| aFe Takeda Stage-2 Pro 5R | Oiled 5-layer cotton gauze | Clean + re-oil | Maximum peak airflow | $435.00 |
| aFe Takeda Stage-2 Pro Dry S | Dry synthetic 3-layer | Wash & dry — no oil | Lowest-maintenance filter | $420.00 |
The complete AEM Dryflow kit — tube, sealed heat shield, and washable synthetic filter.
AEM Dryflow Cold Air Intake — Our Top Pick
AEM’s intake pairs an oversized Dryflow synthetic, oil-free washable filter with a gunmetal-gray powder-coated, mandrel-bent aluminum tube and a custom heat shield topped by a carbon-fiber lid. It is dyno-tested and tuned to add horsepower and torque while sealing the filter away from hot engine air. Because the Dryflow media never needs oil, there is zero risk of over-oiling and contaminating the RC F’s MAF sensor — a genuine set-and-forget upgrade with the best under-hood look of the group.
What We Like
- + Oil-free Dryflow filter — no MAF contamination risk
- + Carbon-fiber heat-shield lid dresses up the V8 bay
- + Mandrel-bent aluminum tube, dyno-developed
- + Washable filter lasts the life of the car
Things to Consider
- – Highest price of the three
- – Not CARB-legal — cannot ship to California
aFe Takeda Stage-2 Pro 5R — Best for Maximum Airflow
The aFe Takeda Pro 5R uses a 5-layer oiled cotton-gauze filter — the traditional high-flow media that typically posts the highest peak airflow numbers. It comes with a one-piece powder-coated heat shield and all hardware, and carries aFe’s published +9 hp / +9 lb-ft / 24%-airflow figures. The trade-off is maintenance: the cotton element must be cleaned and re-oiled periodically, and you must avoid over-oiling to protect the MAF sensor.
The aFe Takeda Pro 5R’s oiled cotton-gauze filter maximizes peak airflow.
aFe Takeda Stage-2 Pro Dry S — Best Low-Maintenance Filter
Mechanically identical to the Pro 5R, the Pro Dry S swaps in a dry synthetic 3-layer filter that requires no oil — you simply wash it with soap and water and let it dry. It matches the same +9 hp / +9 lb-ft claim and eliminates any chance of MAF fouling, making it the most hassle-free filter in the group at the lowest price. Peak airflow is a touch below the oiled Pro 5R, but the difference is negligible for a street-driven RC F.
What We Like
- + Lowest price of the three
- + Dry filter — wash with soap and water, no oil
- + Same published +9 hp / +9 lb-ft as the Pro 5R
- + No MAF-contamination risk
Things to Consider
- – Slightly lower peak flow than the oiled Pro 5R
- – Not CARB-legal — cannot ship to California
Key Specifications
Oiled vs Dry Filter Media: Which Should You Pick?
This is the real fork in the road. Oiled cotton-gauze filters (aFe Pro 5R) use a tacky oil film to trap fine particles and traditionally flow the most air, which is why they remain popular with power-focused builders. The downside is upkeep — they need cleaning and re-oiling, and an over-oiled filter can leave residue on the hot-wire MAF sensor and throw fuel-trim codes.
Dry synthetic filters (AEM Dryflow and aFe Pro Dry S) skip the oil entirely. They clean with soap and water, dry in a few hours, and carry no MAF-contamination risk. Their peak airflow trails a fresh oiled filter by a hair, but on a naturally aspirated street V8 that difference is well within the noise. For most RC F owners who want reliability and zero fuss, a dry filter is the smarter long-term choice — which is a big part of why the dry-filtered AEM earns our top spot.
The aFe Pro Dry S dry synthetic filter cleans with soap and water — no oil required.
Installation, Sound, and What to Expect
Installing a cold air intake on the RC F is a beginner-friendly job that takes roughly 45 minutes to an hour with basic hand tools. You remove the factory airbox and intake tube, bolt the new heat shield to the stock mounting points, slide the mandrel-bent tube into place, seat the conical filter, and transfer the MAF sensor. There is no cutting or drilling, and no tune is needed — the system reuses the factory MAF and stays within the ECU’s fuel-trim range.
On the dyno, expect a modest gain in line with aFe’s published +9 hp / +9 lb-ft. On the street, the bigger reward is character: throttle response tightens, the top end pulls a little harder, and the 2UR-GSE V8 delivers a noticeably deeper, more aggressive induction howl above 4,000 rpm. Pair the intake with a cat-back exhaust for the full transformation — see our Lexus RC F exhaust guide for the best-sounding options.
A sealed heat shield keeps the filter away from radiant engine heat for a true cold-air charge.
Fitment and California (CARB) Note
All three intakes fit the 2015–2024 Lexus RC F with the 5.0L 2UR-GSE V8, and the aFe Takeda systems additionally fit the 2016–2020 Lexus GS F, which shares the same engine. One important caveat: none of these intakes is CARB-exempt, so they are not legal for sale to California-registered vehicles and cannot be shipped to California addresses. Buyers in the other 49 states can install them without emissions concerns. If you are unsure about your local rules, our Tampa, FL team can help confirm the right part for your car before you order.
aFe’s one-piece powder-coated heat shield and hardware install on factory mounting points.
An intake is the ideal first mod, but it works best as part of a plan. Once the RC F is breathing freely, dial in the chassis with our RC F suspension guide and upgrade stopping power with the right RC F brake pads and rotors.
Frequently Asked Questions
Does a cold air intake add horsepower to the Lexus RC F?
Yes, but the gains on the RC F's 5.0L 2UR-GSE V8 are modest. aFe publishes a +9 horsepower and +9 lb-ft gain with a 24% increase in airflow for its Takeda Stage-2 systems. Because the RC F is naturally aspirated, most owners notice sharper throttle response, a louder V8 induction growl at wide-open throttle, and freer top-end breathing more than a large peak-number jump. No ECU tune is required.
Which cold air intake is best for the RC F: AEM or aFe Takeda?
For most RC F owners the AEM Dryflow (about $525) is the best overall choice thanks to its oil-free synthetic filter, mandrel-bent aluminum tube, and carbon-fiber heat-shield lid. The aFe Takeda Pro 5R ($435, oiled) and Pro Dry S ($420, dry) are excellent value alternatives that carry a published +9 hp / +9 lb-ft figure. Choose aFe Pro 5R for maximum airflow, or Pro Dry S if you want a wash-only filter.
What is the difference between an oiled and a dry cold air intake filter?
An oiled filter (like the aFe Pro 5R's 5-layer cotton gauze) traps dirt in a tacky oil film and generally flows slightly more air, but it must be re-oiled after each cleaning and can foul the mass-air-flow (MAF) sensor if over-oiled. A dry filter (AEM Dryflow or aFe Pro Dry S) uses synthetic media, cleans with soap and water, needs no oil, and carries no MAF-contamination risk — at a small trade-off in peak flow.
Will an RC F cold air intake pass a California smog check?
No. All three of these intakes are not CARB-exempt and cannot be shipped to California addresses, so they are not legal for street use on California-registered vehicles. In the 49 other states they install without emissions concerns. Always confirm your local emissions rules before ordering.
Do you need a tune after installing an RC F intake?
No tune is required. These are direct bolt-on systems that reuse the factory MAF sensor and stay within the stock ECU's fuel trim range, so the RC F runs correctly out of the box. A tune is only worth adding if you are stacking a full exhaust, headers, and other bolt-ons and want the ECU calibrated for the complete package.
How long does it take to install a cold air intake on an RC F?
Plan on about 45 minutes to one hour with basic hand tools. The job involves removing the factory airbox and intake tube, bolting in the new heat shield and mandrel-bent tube, seating the conical filter, and transferring the MAF sensor. No cutting or drilling is needed, and everything reuses factory mounting points.
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