K&N vs aFe Cold Air Intake for 2011-2021 Jeep Grand Cherokee

A cold air intake for the 2011-2021 Jeep Grand Cherokee 5.7L HEMI is the single most popular bolt-on for the WK2 — and K&N versus aFe is the match-up buyers ask us about most at our Tampa, FL shop. Both brands build a quality, no-tune kit for the 360-horsepower Eagle HEMI, but they take opposite design paths: K&N sticks with a proven open-element filter and heat shield, while aFe pushes sealed, rotomolded airboxes and offers your choice of oiled or dry filter media. This guide compares the four kits we actually stock for the WK2 5.7L, breaks down oiled versus dry filters, and tells you which one fits your truck and your maintenance habits.

Why the 5.7L HEMI Grand Cherokee Responds to a Cold Air Intake

The 2011-2021 WK2 Grand Cherokee's 5.7L HEMI V8 makes 360 hp at 5,150 rpm and 390 lb-ft at 4,250 rpm, and it breathes through a restrictive factory airbox with a paper filter and a molded resonator snorkel. That box is tuned for silence and low cost, not airflow. Swapping it for a high-flow cold air intake reduces intake restriction so the engine draws a larger, smoother column of air, which the ECU meets with a touch more fuel.

On a naturally aspirated HEMI, be realistic about the payoff: intake manufacturers report gains in the single-digit to low-double-digit horsepower range when the intake is the only change, and the biggest day-one difference you will feel is crisper throttle response and a deeper V8 growl under load. The real long-term wins are a washable or longer-life filter and, on the sealed kits, cooler inlet air drawn from outside the engine bay. The HEMI's Multi-Displacement System (cylinder deactivation) and variable valve timing are untouched — every kit here is a 50-state-style bolt-on that keeps your factory mass-air sensor and needs no re-tune.

Fitment spans the whole WK2 run: 2011-2013 trucks pair the 5.7L with the five-speed W5A580, while 2014-2021 models use the ZF-based 845RE eight-speed. The intake bolts to the engine, so the transmission change does not affect fitment — the K&N and aFe Magnum FORCE kits below both carry fitment data through 2021.

K&N vs aFe: Two Different Intake Philosophies

The quickest way to decide is to understand how each brand builds an intake. K&N's FIPK (Fuel Injection Performance Kit) is an open-element design: a large conical oiled-cotton filter sits on an aluminum tube inside a metal heat shield that reuses the factory cold-air opening. It is simple, proven, and the easiest to service. aFe splits its lineup in two. The Magnum FORCE Pro 5R is also an open kit with a one-piece heat shield, but it uses aFe's own oiled five-layer cotton media. The Momentum GT goes a step further with a fully enclosed, rotomolded airbox and a clear lid that seals the filter off from hot underhood air — and it is offered with a dry synthetic Pro DRY S filter. CORSA's APEX takes the sealed-box idea upmarket with an aluminum airbox and an oil-free DryTech 3D filter.

In short: K&N is the value and simplicity pick, aFe Magnum FORCE is the mid-tier oiled-filter alternative, aFe Momentum GT Pro DRY S is the sealed-box/dry-filter pick, and CORSA APEX is the premium enclosed option. All four drop onto the 5.7L HEMI with hand tools.

The Best Cold Air Intakes for the 2011-2021 Grand Cherokee 5.7L

The K&N 57-1563 is our top pick because it checks every practical box for a daily-driven HEMI. At around $340 it is the least expensive kit here, it carries fitment data for the full 2011-2021 Grand Cherokee (and the matching Durango 5.7L), and its oiled-cotton filter is washable and backed by K&N's Million Mile Limited Warranty — buy it once and clean it every 100,000 miles with a Recharger kit. The open filter and heat shield give the HEMI an unmistakable intake snarl at wide-open throttle.

The aFe Magnum FORCE Pro 5R is the closest aFe match to the K&N in concept — an open high-flow filter with a one-piece heat shield — but it uses aFe's oiled five-layer Pro 5R cotton-gauze media on a large tapered body for a bigger surface area. At roughly $390 it costs a little more than the K&N, and it carries fitment through 2021. It is the kit to buy if you prefer aFe's filter and housing design but still want a serviceable oiled element. It currently ships with an extra 10% off at checkout.

The aFe Momentum GT Pro DRY S is the sealed-box choice. Its rotomolded housing with a clear lid fully encloses the filter, so the HEMI pulls cooler air from the factory fender inlet instead of hot underhood air, and the see-through lid lets you eyeball filter condition without tools. The key difference is the Pro DRY S filter: a three-layer progressive synthetic media that uses no oil at all. That makes it the easiest filter to service — wash, dry, reinstall — and it removes any risk of over-oiling the mass-air sensor, which is why we often steer cold-climate and winter-driven HEMIs toward a dry filter. At about $460 it is the priciest aFe here, currently with an extra 10% off.

The CORSA APEX is the premium enclosed option. It swaps plastic for a fabricated aluminum airbox and runs CORSA's oil-free DryTech 3D filter, which the maker rates for high filtration efficiency with low restriction. It is a clean, understated look under the hood and a genuine alternative to the aFe Momentum. The one catch for this guide: CORSA's fitment data for this part stops at 2017, so it covers 2011-2017 WK2 trucks rather than the full run — 2018-2021 owners should choose the K&N or aFe. It is on sale from $456.50 to around $415 with an additional 10% off at checkout.

Cold Air Intake Comparison: K&N vs aFe vs CORSA

Oiled vs Dry Filters: Which Is Better for Your HEMI?

Oiled cotton filters (K&N and the aFe Pro 5R) flow slightly more air and are reusable — you wash and re-oil them. The trade-off is discipline: over-oiling can leave a film on the mass-air-flow sensor and trigger a check-engine light, so you must apply the oil sparingly and let it wick in before reinstalling. Dry synthetic filters (aFe Pro DRY S and CORSA DryTech 3D) skip the oil entirely. They are the lowest-maintenance choice, cannot contaminate the MAF, and tend to do better in cold, damp, and winter conditions where oiled media can collect moisture.

Our rule of thumb at NLP Performance: pick an oiled filter if you want the last ounce of flow and do not mind the maintenance ritual, and pick a dry filter if you would rather clean it and forget it. Either way, service any high-flow filter when it looks dirty — typically every 30,000 to 50,000 miles for daily drivers, sooner on dusty or unpaved roads.

Installation & What to Expect

All four kits install in about 30 to 60 minutes with basic hand tools — no cutting, no tune, and no new sensors. You remove the factory airbox and intake tube, transfer the mass-air-flow sensor to the new tube or housing, drop in the heat shield or sealed box, and clamp everything down. Because each kit retains the factory MAF and does not change the throttle body, the ECU adapts on its own; you will not throw a code from the intake itself.

One emissions note: cold air intakes can carry different CARB (California) status by part number and year. If you register your Grand Cherokee in California or another CARB state, confirm the specific EO number for your exact year before buying — our team can verify fitment and emissions status for your VIN before you order.