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Description
The Airtec Stage 2 Intercooler for the Ford Focus MK3 ST is designed for maximum cooling and optimal airflow, without blocking the upper section of the radiator like other designs. Thanks to its full-width design, the intercooler receives maximum airflow, which is essential for high power outputs and sustained load conditions.
The intercooler uses the same race-proven 60mm bar & plate core that Airtec has been using for years on cars up to 400 hp. In tests, this core has even been loaded up to 540 hp, where an impressive intake temperature of only 38 degrees was measured. The system is plug-and-play and works with the original hoses. The kit comes with an RS-style air scoop for optimal airflow.
On the dyno, a Focus ST with Airtec intercooler, AS Performance intake and catback exhaust achieved 294.3 bhp, which substantiates the effectiveness of this upgrade.
Advantages
• Full-width design for maximum airflow
• 60mm Bar & Plate race core
• Tapered cast end tanks for optimal flow
• Proven to work up to 400 hp, tested up to 540 hp
• RS-style scoop included
• No additional hoses required, fits OEM hoses
• Installation in 1–2 hours
• Available in Satin Black with free AIRTEC logo
• Perfect for both road and track use
Technical specifications
• Core thickness: 60 mm
• Height: 320 mm
• Width: 945 mm
• Construction: Bar & Plate
• End tanks: Aluminum gutters, tapered design
• Scoop: RS-style
• Installation: Fits OEM hoses
Compatibility
• Ford Focus MK3 ST
Contents
• Airtec Stage 2 Intercooler
• RS-style Scoop
• Mounting supplies
Frequently Asked Questions
Is this intercooler suitable for high power?
Yes, the core has been tested up to 540 hp with very low intake temperatures.
Will this intercooler fit the original hoses?
Yes, additional hoses are not required.
Do parts need to be removed for assembly?
Yes, the Ford grille shutters need to be removed and the wiring harness repositioned onto the Airtec bracket.
Article number: ATINTFO22
Additional information
| Brand | Fashion model | Model code | Performance |
|---|---|---|---|
| Brand | Fashion model | Model code | Performance |
| Ford | Focus | MK3 - 11-18 | ST-250 |
Guarantee
All Airtec Motorsport products come with a 12 month warranty. Unless otherwise stated in the product description.

Pros and cons
- Better cooling > more power
- Bumper disassembly is required
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