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- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
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- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
Check price on
- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
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- Fits 2013-2018 Focus ST and 2016-2018 Focus RS
- Installation is quick and simple, installing in less than one hour with basic tool
- Includes premium high-flow air filter that is re-usable simply by washing and oiling
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- 【Applicable model】：Fit for Universal Black.
- 【Texture of Material】：It is made of high-quality polished aluminum material, which is durable and 100% tested before shipment.
- 【BETTER TOWING】： Improves acceleration and uphill performance when towing by improving throttle response.
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- Brand New! Application AF Dynamic
- Color: Red
- Material: Replaces OEM Filter And Air Box With 100% New Quality Parts. Uses Only Top-Quality Stainless Steel Button Head Bolts, Washers, Locknuts and Band Clamps and High Quality Silicone Coupler, Elb...
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- Brand New! (Air filter Not Included) AF Dynamic Stainless Steel light-weight Heat shield, designed to increase cold airflow into the intake with lower intake temperature Brand New! AF Dynamic Stainles...
- The steel heat shield comes with a heat shield mat material reduce the intake temperatures, Comes with a rubber trim around the heat shield
- Made of high quialty T304-stainless steel, EASY installation by securing to the filter's existing hose clip; Universal-fit to most round-based after marker performance air filters
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- Improve the performance of your car's cold air intake system
- Add power and acceleration while protecting the vehicle's engine
- Anodized aluminum pipes resist wear, resist wear for extra durability
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- Direct fit for 2013+ Ford Focus ST
- Dyno-proven maximum gains of up to 6 whp and 5 wtq on the stock tune
- Designed to work with stock tune with no additional tuning required
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