SKU: 51471643968

AIRTEC STAGE 2 INTERCOOLER UPGRADE AND 2.5-INCH BIG BOOST PIPES FOR FOCUS RS MK2

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Description

AIRTEC STAGE 2 INTERCOOLER UPGRADE AND 2.5-INCH BIG BOOST PIPES FOR FOCUS RS MK2AIRTEC Stage 2 Intercooler Upgrade and 2. 5 inch Big Boost Pipes Focus RS MK2 As part of our expanding Focus RS product range, AIRTEC Motorsport is proud to launch our Stage 2 intercooler upgrade suitable for track or fast road use. In order to ensure there is no noticeable loss in performance during extended periods of hard driving, we have developed a larger, freer flowing intercooler that is a direct replacement for the smaller and more restrictive

AIRTEC Stage 2 Intercooler Upgrade and 2.5-inch Big Boost Pipes Focus RS MK2

As part of our expanding Focus RS product range, AIRTEC Motorsport is proud to launch our Stage 2 intercooler upgrade suitable for track or fast road use.

In order to ensure there is no noticeable loss in performance during extended periods of hard driving, we have developed a larger, freer-flowing intercooler that is a direct replacement for the smaller and more restrictive OEM item.

Our solution to increasing the intercooler’s size and performance within the confines of the limited space behind the bumper is based upon a 65mm core that’s twice as high and almost 100mm longer than the standard item. This offers a massive increase in overall capacity in comparison to the original intercooler, as well as a 127% increase in frontal area over standard, which allows it to make the most of the air flow provided. To ensure that, the air ram scoop forces cold air through the core for more efficient air flow.

Together with our high-flow end tanks and air diverter scoop to ensure flow is directed correctly and efficiently, the AIRTEC Motorsport intercooler offers much greater efficiency and volume over standard.

TESTED
Test carried out at Jamsport to measure intake temperatures after

AIRTEC Stage 1 intercooler
Air temp into intercooler. 141 degrees
Air temp out of intercooler. 34degrees

AIRTEC Stage2 intercooler
Air temp into intercooler. 149 degrees
Air temp out of intercooler. 26 degrees

We also saw power gains of 20 bhp mid range & 30 lb ft torque increase.

This was simply by swapping from Stage1 to Stage2.


Features:

  • Huge high flow 65mm core
  • 127% increase in frontal area for improved air flow
  • Air Ram Scoop forces air directly into core of intercooler
  • Smooth flow end tanks
  • AIRTEC logo brackets
  • Increased BHP & torque Figure
  • Pro-Series Black powder coated finish
  • Strongest intercooler available, backed up by our 3 year warranty

Please note: Pipework only available in black. 

Registered Design Right number: 6022645

AIRTEC part no: ATINTFO50

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51471643968

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Tj
Whiting, US
★★★★★ 4
Slippery when wet!!!
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
“These moisturizing slippers are actually really comfortable and feel great on the feet. They’re soft, cozy, and do help moisturize while you wear them. I also think they’re a good value for the money. The only downside is that once your feet get moisturized, they can get slippery inside the slippers, so I wouldn’t recommend walking around too much in them. Better for relaxing and letting your feet soak up the moisture than for being up and moving around.”
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Reviewed in the United States on May 26, 2026
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J. Randle
Alexandria, US
★★★★★ 5
Love them
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I wear a size 11.5 in ladies shoe and these just barely fit. Butttt after I put lotion on my feet and slipped these on and left them on for about 30 mins. It left my feet really soft! They work great as intended. Would buy again
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Reviewed in the United States on January 31, 2026
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Vonda Kioultzopoulos
Grantham, US
★★★★★ 3
Effective but may be uncomfortable
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I have eczema on my feet and use a prescription cream that I leave on overnight. I often have a problem sleeping in socks but the silicone feels cool on my feet. The only drawback I have is the opening of the socks feel very tight around my ankles making them uncomfortable on me. I wish the opening was a bit more flexible.
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Reviewed in the United States on September 20, 2025
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Tessy
Battle Creek, US
★★★★★ 1
Burned my already sensitive feet, too big
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
Feels icky, and the heat gets trapped and literally felt like my feet were being burned by these. The bottoms of these feel prickly and they are way too big. You have to sit still and cannot walk in them.
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Reviewed in the United States on April 22, 2026
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Ms. Mac
Belleville, US
★★★★★ 5
Just as good as paraffin wax
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I might prefer these socks over paraffin wax. They are comfy and very moisturizing. I use these socks once a week to keep the heels and soles of my feet moisturized between pedicures. I rinse with warm, soapy water then hang to dry. They are hard to walk in, but there's a saying printed in the socks that's says something to the effect of "take a break, stay off your feet" lol I love that as a reminder to put my feet up and relax
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Reviewed in the United States on April 9, 2026

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