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2014 Ford EcoBoost Powered Fiesta ST Turbo Street Legal K&N Performance Intake

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Fiesta owners in the market for a street legal boost in performance for the 2014 Ford Fiesta ST can get a K&N Performance short ram intake air intake system to fill that need

Fiesta owners in the market for a street legal boost in performance for the 2014 Ford Fiesta ST can get a K&N Performance short ram intake air intake system to fill that need

The Ford Fiesta is one of the best-selling global cars from the Ford Motor Company. In 2010 Ford released the sixth generation Fiesta and brought the Fiesta stateside for the first time since 1980. In 2013 Ford announced it was going to spice things up by adding a 1.6-liter EcoBoost turbocharged Fiesta ST to its lineup. The 2014 Ford Fiesta ST EcoBoost features overboost allowing the 1.6L turbocharged engine to make a claimed 197 horsepower when using premium unleaded fuel. A sub-compact car, like the 2014 Ford Fiesta, with 197 horsepower may seem like overkill, however the electronic traction, and stability control combined with race inspired suspension make this a fun car to drive.

The 2014 Ford Fiesta ST EcoBoost features overboost allowing the 1.6L turbocharged engine to make a claimed 197 horsepower when using premium unleaded fuel

The 2014 Ford Fiesta ST EcoBoost features overboost allowing the 1.6L turbocharged engine to make a claimed 197 horsepower when using premium unleaded fuel

The 2014 Ford Fiesta ST is fun in stock trim; however, many owners are searching for a street legal boost in performance for their Fiesta ST. Those owners should look no further than K&N Performance Air Intake System 57-2587. The 57-2587 Ford Fiesta ST air intake is expert-engineered and guaranteed to increase horsepower and torque. It replaces the restrictive factory system with a free-flowing, high-density polyethylene air intake tube to help minimize restriction, straighten, and increase airflow to the engine. Less restriction and more airflow translates into a boost in usable power throughout the engine’s RPM range.

Roto-molded air intake tubes, like the one used in the 2014 Ford Fiesta ST intake system, allow K&N designers to maximize use of tight spaces under the hood of modern cars

Roto-molded air intake tubes, like the one used in the 2014 Ford Fiesta ST intake system, allow K&N designers to maximize use of tight spaces under the hood of modern cars

K&N’s RU-4960 reusable air filter is fitted to the inlet of the K&N roto-molded air intake tube to provide high airflow rates as well as outstanding engine protection. This K&N filter is washable and reusable and can go up to 100,000 miles between cleanings, depending on driving conditions. K&N air intake 57-2587, for the 2014 Ford Fiesta ST incorporates a heat shield which helps to deflect engine heat away from incoming air. To help direct relatively cold air toward the K&N performance air filter the factory cold air inlet is incorporated into the design of the street legal 2014 Ford Fiesta ST EcoBoost air intake.

The K&N 2014 Ford Fiesta ST street legal performance air intake system is able to free up horsepower and torque lost to the Ford 1.6L EcoBoost engine due to air intake tract restriction.  On the dyno, when installed on a 2014 Ford Fiesta ST 1.6L, the K&N 57-2587 street legal Performance Air Intake System produced an estimated additional 7.21 horsepower at 5210 rpm and an impressive 10.07 pound-feet of torque at a low 3959 rpm. Additional testing was performed to determine if replacing the turbo charge pipe was necessary for power gains. It was determined that replacing this additional section of the air intake tube did not result in increased performance, and made installation much more difficult than necessary.

K&N Air Intake System, number 57-2587, produced an estimated additional 7.21 street legal horsepower increase at 5,210 RPM on a stock 2014 Ford Fiesta ST EcoBoost 1.6L L4

K&N Air Intake System 57-2587, produced an estimated additional 7.21 street legal horsepower increase at 5,210 RPM on a stock 2014 Ford Fiesta ST EcoBoost 1.6L L4

The 57-2587 performance air intake system is an easy to install 50-state street legal performance upgrade that can be installed on a 2014 Ford Fiesta ST 1.6L EcoBoost in about 90 minutes or less using basic hand tools, and by following K&N’s simple step-by-step instructions. This K&N air intake maintains all necessary factory connections, including the factory crankcase breather clips, and does not require any additional modifications, such as a tune, to experience a street legal boost in performance. K&N backs the 2014 Ford Fiesta ST air intake with a 10-year/million mile limited warranty so owners can rest assured that their intake system will live up to the K&N reputation for quality and performance.

50-state Street Legal Performance Air Intake System 57-2587 is guaranteed to increase horsepower and torque on the Ford Fiesta ST EcoBoost powered models below:

2014 FORD FIESTA ST 1.6L L4 F/I - All

Find additional K&N performance upgrades for Ford Fiesta models by visiting the Ford Fiesta Air Intakes page on KNFilters.com. Or find easy ways how to increase horsepower for another vehicle, using the K&N search by vehicle tool. Find an authorized K&N dealer almost anywhere in the world using the K&N Dealer Search.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.