Description
xAs part of our expanding Mk4 Focus ST product range, AIRTEC Motorsport are proud to launch our secondary intercooler kit for track or fast road use.
The challenge
Due to the limited space available in the upper grille area due to the car’s intake system and ducting, it isn’t possible to fit a full-size front mount intercooler to fill the entire height of the grille. Whilst we do offer an intercooler upgrade that’s deeper (AIRTEC Motorsport Intercooler Upgrade for Focus ST Mk4), we still looked at other ways to improve cooling and reduce charge temperatures without having to cut or modify the car.
The solution
Designed and developed at AIRTEC HQ in the UK, our solution was to develop a secondary intercooler that mounts underneath the car behind the undertray and is fed fresh air from a duct. By adding a second intercooler in place of the pipework section, we were able to offer a huge increase in overall capacity to the entire set up without affecting the original (or AIRTEC Motorsport upgraded) intercooler set up.
Despite this huge improvement, the kit fits neatly behind the undertray and can be reverted back to standard with no issues. The comprehensive fitting kit includes Pro Hoses silicone pipes together with all the required fixtures and fittings, as well as step-by-step instructions.
The testing
Measuring heat rejection levels and intake temperatures during back-to back testing on the road over eight consecutive runs showed that with the secondar
intercooler in place, heat rejection was improved by 41% whilst charge temps were reduced by half.
Data logging the intercooler outlet temperatures before and after fitting the secondary intercooler revealed a peak decrease measurement of 36.7-degress, which translated to a 76.4% reduction. Further testing revealed the secondary intercooler was able to repeat this kind of improvement, averaging a 72.5% decrease over four back-to-back runs proving the set up works effectively and efficiently.
| AVERAGE HEAT REJECTION | AVERAGE INTAKE TEMPS | |||||
| WITHOUT 2nd Intercooler | 54.0 | WITHOUT 2nd Intercooler | 120.7 | |||
| WITH 2nd Intercooler | 76.2 | WITH 2nd Intercooler | 60.0 | |||
| Difference | 41% | Difference | -50% | |||
Please note: Only fits manual gearbox models
Dimensions:
Capacity: 2.7 litres
Front area: 442cm²
AIRTEC part no: ATINTFO61
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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