A strong Focus ST intercooler delivers better charge-air cooling, suitable airflow, and dependable fitment for owners replacing a stock unit or supporting a modified turbo system. The right choice depends first on your Focus ST generation, then on the available space, pipe connections, cooling capacity, and installation approach. This roundup covers options for the newer 2.0-liter Focus ST, the later 2.3-liter model, and the earlier 2.5-liter ST225 platform.
Several products use TIG-welded, all-aluminum construction, while Mishimoto offers clearly documented core dimensions, sensor provisions, flow figures, and a lifetime warranty. Check the vehicle application carefully before ordering, because a physically similar intercooler for another Focus ST generation may not be a direct fit.
For the newer 2.0-liter Focus ST, the Mishimoto MMINT-FOST-13KBSL is the strongest documented all-around choice: it fits without front-bumper modification, retains stock fog lights, uses a 4.3-inch-thick core, and is rated to 550 whp. The standard Mishimoto MMINT-FOST-13SL offers a simpler intercooler-only setup with stated temperature and core improvements. Earlier 2.5-liter ST225 owners should choose a generation-specific 670 x 268 x 60 mm replacement, while later 2.3-liter owners need the dedicated MK4 application.
Focus ST Intercooler Comparison
How We Compared These Products
We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from AW ALLOYWORKS, Mishimoto, Tepilauda, Sourcefy, PKSABB, Ferncaot, ENGINKUHLER, and MIONLVE.
The shortlist includes products such as AW ALLOYWORKS ALLOYWORKS Front Mount Intercooler Compatible with 2013-2018 2015 FORD, Mishimoto MMINT-FOST-13KBSL Performance Intercooler Kit Fits Ford Focus ST 2013+ Silver, and Tepilauda Front Mount Intercooler For Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.
Detailed Reviews: Best Intercooler For Focus St
1. ALLOYWORKS Front Mount Intercooler Compatible with 2013-2018 2015 FORD FOCUS ST BOLT-ON UPGRADE 400HP Intercooler, Direct Replacement, Silver
Best for: Direct Bolt-On Upgrade.
This ALLOYWORKS front mount intercooler offers a direct bolt-on upgrade for 2013-2018 Ford Focus ST models. Its durable, heavy-duty, all-aluminum design with TIG welded construction ensures longevity and efficient air cooling for performance enhancements.
Engineered for a direct replacement fit, this intercooler features a TIG welded construction and an all-aluminum design. It is rated for up to 400HP, providing a significant cooling upgrade over stock. The air-cooled design ensures efficient heat dissipation, contributing to improved engine performance and reliability under load.
Product Details
| Brand | AW ALLOYWORKS |
|---|---|
| Item Weight | 25 pounds |
| Item model number | ALLOYWORKS-3274 |
| Manufacturer | AW ALLOYWORKS |
| Part Number | ALLOYWORKS-3274 |
| Model | Turbo Intercooler |
| Package Dimensions | 39 x 10 x 10 inches |
Pros
- Direct bolt-on replacement
- TIG welded construction
- Durable all-aluminum design
- Rated for 400HP
Cons
- Item weight is 25 pounds
Ideal for 2013-2018 Ford Focus ST owners seeking a robust, direct-fit intercooler upgrade for enhanced cooling performance without complex modifications. Ensure clearance for its 25-pound weight.
2. Mishimoto MMINT-FOST-13KBSL Performance Intercooler Kit Fits Ford Focus ST 2013+ Silver, Black
Best for: Performance Cooling Kit.
The Mishimoto Performance Intercooler Kit for 2013+ Ford Focus ST offers a 4.3-inch thick core optimized for maximum flow, rated to 550whp. It provides increased flow and volume in both hot-side and cold-side pipes compared to stock.
This kit features a 4.3-inch thick intercooler design for optimal flow, capable of handling up to 550whp. It integrates seamlessly with the 2013+ Ford Focus ST without front bumper modification and retains stock fog lights. The hot-side pipe sees a 26% flow increase and 14% volume increase, while the cold-side pipe gains 40% flow and 10% volume.
Product Details
| Brand | Mishimoto |
|---|---|
| Color | Silver w Black |
| Compatible with Vehicle Type | Car |
| Included Components | performance intercooler kit |
| Installation Type | Bolt-On |
| Manufacturer | Mishimoto |
| Part Number | MMINT-FOST-13KBSL |
Additional Product Information
| Manufacturer Warranty Description | Lifetime Warranty |
|---|---|
| Model Number | MMINT-FOST-13KBSL |
Pros
- Rated to 550whp
- Retains stock fog lights
- Increased pipe flow and volume
- No front bumper modification
Cons
- Includes Proposition 65 warning
A comprehensive performance cooling upgrade for 2013+ Ford Focus ST enthusiasts aiming for significant power gains and improved cooling efficiency. Be aware of California Proposition 65 warnings.
3. Mishimoto MMINT-FOST-13SL Performance Intercooler Compatible With Ford Focus ST 2013+ Silver
Best for: Focus ST Intercooler Upgrade.
Mishimoto's Performance Intercooler for the 2013+ Ford Focus ST boasts a 4.3-inch thick core, increasing core size by 128% and fin surface area by 32%. It's rated to 550 whp and drops outlet temperatures by 34°F.
This intercooler is designed for the 2013+ Ford Focus ST, offering a 128% increase in core size and a 32% increase in fin surface area for superior cooling. It drops intercooler outlet temperatures by 34°F, is rated to 550 whp, and requires no front bumper modification while retaining stock fog lights.
Product Details
| Brand | Mishimoto |
|---|---|
| Included Components | performance intercooler |
| Item Weight | 8.25 kg |
| Manufacturer | Mishimoto |
| Model | MMINT-FOST-13SL |
| Warranty Description | Lifetime Warranty |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov Proposition 65 Warning for California Consumers WARNING: Cancer – www.P65Warnings.ca.gov |
Pros
- Drops temps by 34°F
- 128% core size increase
- 32% fin surface area increase
- Retains stock fog lights
Cons
- Includes Proposition 65 warning
Best for 2013+ Ford Focus ST owners prioritizing significant temperature reduction and increased cooling capacity. Ensure compliance with California Proposition 65 regulations.
4. Front Mount Intercooler For Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L
Best for: Mk2 Focus ST Intercooler.
This all-aluminum front mount intercooler for the Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L features durable TIG-welded construction and a high-performance racing design. It offers a direct bolt-on OEM fitment for improved cooling.
Constructed from AA5052 aircraft aluminum with TIG-welded seams, this intercooler provides a high-performance racing design. Its core measures 670 x 268 x 60 mm, offering improved cooling by 35-45% over stock. The direct bolt-on fitment ensures easier installation, and its design supports a higher coolant capacity than the original unit.
Product Details
| Brand | Tepilauda |
|---|---|
| Item Weight | 11 pounds |
| Manufacturer | Tepilauda |
| Part Number | Tepilauda-02 |
| Model | Tepilauda-02 |
Pros
- TIG-welded construction
- Improves cooling 35-45%
- Direct bolt-on OEM fitment
- All-aluminum design
Cons
- Item weight is 11 pounds
Suitable for Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L models seeking a direct-fit, high-performance intercooler upgrade with enhanced cooling capabilities. Consider its 11-pound weight for installation.
5. 880736-6001 Garrett PowerMax Intercooler Upgrade for 2012+ Ford Focus ST GAR_880736-6001 ATP-FOC-094
Best for: Garrett PowerMax Upgrade.
The Garrett PowerMax Intercooler Upgrade, identified by part number 880736-6001, is designed for 2012+ Ford Focus ST models. It is built with the highest quality components and undergoes pressure and computer testing for reliability.
This intercooler upgrade for the 2012+ Ford Focus ST is constructed using top-tier components to ensure consistent quality and reliability. It has been pressure and computer tested, guaranteeing performance. The unit comes with a 6-month unlimited warranty, providing peace of mind for owners seeking an enhanced cooling solution.
Product Details
| Brand | Sourcefy |
|---|---|
| Item model number | 2012+ Ford |
| Manufacturer | Sourcefy |
Pros
- Highest quality components
- Pressure and computer tested
- 6 Months unlimited warranty
- Designed for 2012+ Focus ST
Cons
- Specific model number not provided in title
An excellent choice for 2012+ Ford Focus ST owners looking for a tested and reliable intercooler upgrade. Verify specific fitment details beyond the general model year.
6. Competition Intercooler Compatible with Ford Focus ST MK4 2.3 Ecoboost models 2018-2022 Black
Best for: MK4 Focus ST Ecoboost.
This competition intercooler is engineered for Ford Focus ST MK4 2.3 Ecoboost models from 2018-2022, featuring a flow-optimized design with 32% less back pressure. It significantly increases charge air volume to 15.5 liters from the OEM 5.5 liters.
Designed for the Ford Focus ST MK4 2.3 Ecoboost (2018-2022), this intercooler boasts improved cooling performance and is flow-optimized. It achieves 32% less back pressure and enlarges the inlets and outlets to Ø 63 mm. The substantial increase in charge air volume to 15.5 liters (vs. OEM 5.5 liters) enhances engine efficiency.
Product Details
| Brand | PKSABB |
|---|---|
| Item Weight | 31.5 pounds |
| Item model number | 03CSI132ABK |
| Manufacturer | SuZhou ChengSu Hardware Co.,Ltd |
| Part Number | 03CSI132ABK |
| Model | Turbo Intercooler |
| Dimensions | 39.37 x 11.42 x 11.42 inches |
Pros
- 32% less back pressure
- Enlarged inlets/outlets to Ø 63 mm
- 15.5L charge air volume
- Improved cooling performance
Cons
- Instruction is not included
Ideal for 2018-2022 Ford Focus ST MK4 2.3 Ecoboost owners seeking enhanced cooling and reduced back pressure. Professional installation is highly recommended due to the lack of included instructions.
7. Aluminum Intercooler Replacement for Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L, Silver
Best for: Aluminum Direct Replacement.
The ALLOYWORKS Aluminum Intercooler offers a direct drop-in replacement for Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L models. Its durable, heavy-duty, all-aluminum design provides 50% more cooling capacity.
Featuring a TIG welded construction and an all-aluminum design, this intercooler provides 50% more cooling capacity for the Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L. The core measures 670 x 268 x 60mm, ensuring efficient heat dissipation. It serves as a direct drop-in replacement, simplifying installation.
Product Details
| Brand | AW ALLOYWORKS |
|---|---|
| Item Weight | 11 pounds |
| Item model number | Aluminum Intercooler |
| Manufacturer | AW ALLOYWORKS |
| Part Number | ALLOYWORKS-3082 |
| Model | Aluminum Intercooler |
| Package Dimensions | 37 x 13 x 5 inches |
Pros
- 50% more cooling capacity
- Direct drop-in replacement
- Durable all-aluminum design
- TIG welded construction
Cons
- Item weight is 11 pounds
A great option for Mk2 Ford Focus ST XR5 Turbo ST225 Gen 3 Mk II 2.5L owners needing a direct replacement with significantly increased cooling. Consider its 11-pound weight during installation.
8. Aluminum Turbo Intercooler for Ford Focus Mk 2 ST XR5 Turbo ST225 Gen 3Mk II 2.5L
Best for: Mk2 Focus ST Charge Air Cooler.
This aluminum turbo intercooler is a replacement for the Ford Focus Mk 2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L. Made from high-quality AA5052 aircraft-grade aluminum, it is designed for high boost applications and easy installation.
Constructed from high-quality AA5052 aircraft-grade aluminum, this intercooler is built for durability and performance in high boost supercharged and turbo applications. It offers a perfect product fit for fast and smooth installation as a direct replacement, requiring no modifications. The core size is 670 x 268 x 60 mm.
Product Details
| Brand | Ferncaot |
|---|---|
| Item Weight | 22.8 pounds |
| Manufacturer | Ferncaot |
| Warranty Description | 12 months |
Pros
- AA5052 aircraft-grade aluminum
- Easy installation, no modifications
- High boost applications
- Thoroughly tested
Cons
- Black color may not match all aesthetics
Recommended for Mk2 Ford Focus ST XR5 Turbo ST225 Gen 3 Mk II 2.5L owners running high boost setups who value ease of installation and durable construction. Note the black finish.
9. Intercooler Replacement for Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L 2005-2012 Inter Cooler Aluminum 2006 2007 2008 2009 2010 2011 (Black)
Best for: Mk2 Focus ST Inter Cooler.
The ENGINKUHLER Intercooler is an all-aluminum, TIG-welded replacement for 2005-2012 Ford Focus ST225 MKII Gen 3 models. Its construction is perfect for supercharged and turbocharged vehicles, enhancing engine performance.
Built with aircraft-quality aluminum and TIG-welded construction, this intercooler is designed for longevity and performance enhancement in supercharged and turbocharged vehicles. It features OEM-sized 2-inch inlet and outlet ports for compatibility with stock or aftermarket pipes. The overall size is 35.6"x10.63"x2.36" with a core size of 26.37"x10.63"x2.36".
Product Details
| Brand | ENGINKUHLER |
|---|---|
| Item Weight | 22.8 pounds |
| Item model number | ECM-R-4557 |
| Manufacturer | CoolingMaster Direct |
| Part Number | ECM-R-4557 |
| Model | Intercooler |
| Package Dimensions | 37.8 x 12.99 x 6.69 inches |
Pros
- All-aluminum, TIG-welded
- OEM-sized inlet/outlet
- For supercharged/turbocharged vehicles
- Enhances engine performance
Cons
- Item weight is 22.8 pounds
A solid choice for 2005-2012 Ford Focus ST225 MKII Gen 3 owners with forced induction looking for a durable, performance-boosting intercooler. Consider its 22.8-pound weight for installation.
10. Intercooler for 2007-2010 Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5
Best for: Mk2 ST XR5 Turbo Intercooler.
This all-aluminum intercooler for the 2007-2010 Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L features corrugated aluminum fins and TIG-welded construction for unparalleled performance. It offers 30% more extra flow and super capacity.
Constructed with an all-aluminum design, corrugated fins, and vacuum brazing furnace TIG-welded seams, this intercooler ensures superior performance for the 2007-2010 Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L. It provides 30% more extra flow and super capacity, with a core size of 670 x 268 x 60 mm and an overall size of 980 x 268 mm.
Product Details
| Brand | MIONLVE |
|---|---|
| Item Weight | 18.7 pounds |
| Item model number | MIONLVE-1885 |
| Manufacturer | YiPeiTongAuto |
| Part Number | MIONLVE-1885 |
| Model | Radiator |
| Package Dimensions | 31.89 x 12.2 x 9.06 inches |
Pros
- 30% more extra flow
- Vacuum brazing furnace TIG-welded
- All-aluminum design
- Corrugated aluminum fins
Cons
- Item weight is 18.7 pounds
Ideal for 2007-2010 Ford Focus Mk2 ST XR5 Turbo ST225 Gen 3 Mk II 2.5L owners seeking enhanced flow and capacity. Ensure proper fitment and consider its 18.7-pound weight.
What Buyers Often Overlook
Fitment and sizing across Focus ST generations
Fitment is the first decision because the listed intercoolers cover distinct Focus ST platforms rather than one universal application. The Mishimoto MMINT-FOST-13KBSL and MMINT-FOST-13SL are specified for the newer 2.0-liter Focus ST and retain stock fog lights without front-bumper modification. The PKSABB unit targets the later 2.3-liter MK4 model and adds a note about extra adjustments for vehicles with adaptive cruise control.
Earlier 2.5-liter ST225 choices from Tepilauda, AW ALLOYWORKS, Ferncaot, ENGINKUHLER, and MIONLVE list a 670 x 268 x 60 mm core or closely related dimensions. ENGINKUHLER instead lists a 26.37 x 10.63 x 2.36-inch core with 2-inch OEM-sized inlet and outlet connections.
Confirm engine generation, inlet and outlet size, sensor provisions, and bumper or ACC clearance before ordering.
The Key Product Trade-Off
Capacity, construction, and installation trade-offs
A larger stated air volume or thicker core can support a higher-flow setup, but the product data does not make every unit directly comparable. Mishimoto lists a 4.3-inch-thick design rated to 550 whp, with the kit version including hot-side and cold-side pipe flow figures. PKSABB lists 15.5 liters of charge-air volume, enlarged 63 mm inlets and outlets, and 32% less back pressure than its stated comparison point, but says instructions are not included and recommends professional installation.
Several earlier-platform replacements use all-aluminum, TIG-welded construction, including the AW ALLOYWORKS, Tepilauda, Ferncaot, and ENGINKUHLER options. Ferncaot lists a 12-month warranty, while Mishimoto lists a lifetime warranty.
Choose documented capacity and included hardware when installation simplicity matters; choose a replacement core when direct fit and material durability are the priority.
Best Intercooler For Focus St: Buyer's Guide
Fit, Dimensions, and Compatibility
Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.
Capacity, Output, and Operating Format
Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.
Materials, Construction, and Care
Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.
Included Components and Setup Needs
Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.
Which Should You Choose?
Choose the Mishimoto MMINT-FOST-13KBSL if you own the newer 2.0-liter Focus ST and want the most complete documented kit, stock fog-light retention, no front-bumper modification, a 4.3-inch core, and a lifetime warranty. Choose the Mishimoto MMINT-FOST-13SL if you want the same platform fitment with intercooler-only hardware and stated outlet-temperature, core-size, and fin-area improvements. For the later 2.3-liter MK4, the PKSABB is the dedicated option, with 15.5 liters of volume and 63 mm connections, but installation may require extra ACC-related adjustment.
For the earlier 2.5-liter ST225, select a 670 x 268 x 60 mm all-aluminum replacement from AW ALLOYWORKS, Tepilauda, Ferncaot, or MIONLVE, or use ENGINKUHLER when 2-inch OEM-sized connections are important.
Quick Buying Checklist
- Confirm the complete dimensions against the available space.
- Verify model, accessory, connection, and appliance compatibility.
- Match capacity or output to the expected amount of use.
- Compare materials and care instructions with the maintenance routine.
- Check the included components before planning setup or first use.
- Confirm listed power, water, storage, or installation requirements where applicable.
Frequently Asked Questions
What is an intercooler's primary function?
An intercooler cools the compressed air from the turbocharger before it enters the engine. Cooler air is denser, allowing for more oxygen in the combustion chamber, which can lead to increased power and efficiency.
How does an intercooler affect engine performance?
By cooling the intake charge, an intercooler helps prevent engine knock and allows the engine to produce more power. It’s a crucial upgrade for turbocharged vehicles, especially those with performance modifications.
Are intercooler upgrades necessary for a Focus ST?
For stock Focus ST models, an upgraded intercooler might not be immediately necessary. However, for tuned vehicles or those experiencing high intake temperatures, an aftermarket intercooler is highly recommended for optimal performance and reliability.
What are the benefits of a front-mount intercooler?
Front-mount intercoolers are popular because they receive the most airflow from the front of the vehicle, offering superior cooling potential. They are often direct replacements or bolt-on upgrades for existing systems.
How do I choose the right intercooler for my Focus ST?
Consider your specific Focus ST model year and engine (e.g., Mk2, Mk4, Ecoboost). Look for intercoolers designed as direct fitments or with clear installation instructions, and ensure it meets your performance goals.
Final Words
Selecting the right intercooler for your Focus ST depends on your model year and performance aspirations. For a straightforward upgrade, consider bolt-on options. For more advanced tuning or specific engine types like Ecoboost, specialized units offer greater cooling capacity.
Always verify fitment for your vehicle.