Breathing easier means breathing better. Most air filters do the job, but when it comes to raising performance, choosing between a high-flow panel filter and a full cold air intake (CAI) can be confusing. Let’s outline which mod gives you the most value and performance boost.

High-Flow Panel Filters

What They Do: Replace stock filters with high-flow cotton or foam variants.

Pros:

• Reusable and cost-effective
• Easy DIY installation
• Noticeable throttle response improvement

Cons:

• Small gains (5–10 hp)
• Requires maintenance (cleaning/oiling)

Cold Air Intakes (CAI)

What They Do: Replace the entire intake system to draw cooler air from outside the engine bay.

Pros:

• Bigger performance gains (10–20 hp), especially on turbo cars
• Enhanced induction noise
• Improved airflow and reduced turbulence

Cons:

• Can be louder or prone to ingestion in deep water
• More expensive and complex fitment

Side-by-Side Comparison

• Cost: Filters are always cheaper as most of them are a simple direct replacement for the OEM part so their are always less parts.
• Performance: Cold air intakes will offer better performance as they are not restricted by the factory housing and location, so tend to offer better airflow.
• Complexity: Filters are often a direct replacement for the factory part so fitting tends to be extremely simple and does not require removing the factory intake system were as cold air intakes do.

Our Verdict

Stick with a panel filter for ease and low maintenance costs as they can be cleaned and reused saving the need for a new filter. Upgrade to a CAI for better gains, throttle response and noise, especially when paired with other mods.

Find Installers

Use Mod Central to locate UK garages that fit filters and full intake systems. Filter by service type to match your needs. If you have any questions then feel free to drop us an email at sales@modcentraluk.com or message us directly on Instagram.