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Closed Box Air Intakes

Start Strong With a CORSA Closed-Box Cold Air Intake

If you’re even thinking about adding performance mods to your ride, your first move should be making sure your engine can breathe. A closed-box cold air intake is one of the simplest ways to do that, and it’s a smart upgrade for even the most casual enthusiast.

Unlike open-element systems that gulp in hot under-hood air, a closed-box air intake seals off the filter from engine heat, feeding your motor cooler, denser air. Cooler air means more oxygen, and more oxygen means stronger combustion, better airflow, and crisper throttle response. Even if you’re not chasing dyno numbers, the difference in everyday drivability is immediate.

If you're looking to get more out of your ride, check out the selection of closed-box cold air intakes here at CORSA Performance. Our lineup covers everything from muscle cars to modern trucks and SUVs, giving you a bolt-on upgrade designed to match your vehicle’s personality and your appetite for performance.

Corsa Performance closed-box cold air intake installed in a modern car engine bay

Get the Induction Sound Your Engine Was Missing

Performance isn’t just something you feel; it’s something you hear. One of the most noticeable changes when you install a CORSA closed-box air intake is the induction sound.

Because our systems direct more air through a larger, smoother intake path, you’ll hear a deep, satisfying whoosh when you step into the throttle. It’s the sound of your engine taking a bigger gulp of cool, clean air, and it adds an unmistakable layer of excitement to every drive. Here’s what you can expect:

Refined at cruise: The sealed housing keeps things quiet under normal driving conditions, so you won’t hear a constant drone or unwanted noise.
A sharp whoosh at wide open throttle: Lean in on the pedal, and the system responds with an aggressive and addictive intake sound that matches the added airflow.

For many drivers, that balance is the sweet spot: calm and composed when you’re cruising, spirited and engaging when you’re leaning in.

CORSA Performance 2021+ Ford Bronco Cold Air Intakes

Specs are one thing, but nothing shows off a CORSA closed-box cold air intake quite like real footage. Check out our video of the 2021+ Ford Bronco system to see how it performs under the hood, and more importantly, to hear that unmistakable intake sound when the pedal goes down.

Inside the Design of CORSA Closed-Box Cold Air Intakes

CORSA’s closed-box cold air intakes are built around practical engineering choices that give drivers a more efficient intake system without unnecessary complexity. Here’s what sets us apart.

Rotomolded Construction

Each airbox and duct is made from cross-link polyethylene. This material is lightweight, resists heat soak, and is strong enough to handle years of daily driving or off-road use.

Filter Options That Match Your Needs

We offer three types of filters with our closed-box air intake systems:

DryTech 3D: washable and reusable, service interval up to 50,000 miles.
MaxFlow (oiled): higher airflow potential, washable and reusable with oiling, service interval around 40,000 miles.
PowerCore®: maintenance-free for up to 100,000 miles with 99.7% filtration efficiency.

Precision Fitment

Our systems are designed specifically for the vehicle it’s intended for. That means the airbox, tubing, and filter placement follow the factory layout for a secure fit and reliable sealing.

Straightforward Installation

CORSA systems install with basic hand tools and do not require ECU tuning. Drivers can add them as a bolt-on upgrade, with tuning left as an optional step for anyone looking to optimize further.

Frequently Asked Questions About Closed-Box Cold Air Intake Systems

Got questions about closed-box cold air intake systems? You’re not alone. Here are some of the most common things drivers want to know before upgrading.

How does a closed-box cold air intake differ from an open-element intake?

An open-element intake leaves the filter exposed to the engine bay, while a closed-box design seals the filter inside a housing. This helps reduce heat soak and provides more consistent airflow, especially in stop-and-go traffic or hot climates.

Are closed-box cold air intakes legal in all states?

Not always. Some systems are CARB-certified and legal for use in California and other emissions-restricted states, while others are not. It’s best to check the product’s CARB EO number or application notes before purchase.

Do closed-box cold air intakes improve fuel efficiency?

While results vary by vehicle and driving style, many drivers see modest improvements in fuel economy. By supplying more efficient airflow, the engine doesn’t need to work as hard under normal driving conditions.

Take Your Car, Truck, or SUV Further With a CORSA Closed-Box Cold Air Intake

Bring out the best in your engine with a CORSA closed-box cold air intake system. Every intake we design is engineered to feed your engine cooler air for dependable protection and a sound that makes driving more rewarding. When you’re ready for an upgrade that’s equal parts performance and fun, choose CORSA and give your vehicle the closed-box air intake it deserves.