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| K&N 57-2556 Fuel Injection Performance Kit Gen2 Air Intake Kit | 
 enlarge | Brand: K&N
Category: Automotive Parts And Accessories
List Price: $425.00
Buy New: $262.90
You Save: $162.10 (38%)
Buy New from $262.90
Avg. Customer Rating:  (2 reviews)
Sales Rank: 6311
Media: Misc.
Shipping Weight (lbs): 14.5
Dimensions (in): 18 x 18 x 12
MPN: 572556
Model: 57-2556
UPC: 024844109507
EAN: 0024844109507
ASIN: B000CO9U32
Availability: Usually ships in 1-2 business days
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| Features:
| • | Estimated HorsePower Gain Claimed by Manufacturer 11.60 HP @ 5100 RPM | | • | More usable power and acceleration throughout the engine's RPM range | | • | Easy to install using tools commonly available | | • | Most are street legal in all 50 states | | • | Filters are washable and reusable, and are backed by a million mile limited warranty |
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| Editorial Reviews:
Product Description
Our 57 Series Gen II Air Intake Kits (FIPK's) are built for many different vehicles and represent a dramatic improvement over a K&N O/E replacement filter alone; they use only non-metallic rotationally molded tubes that can reduce air temperature and decrease intake sound over a metal tube. Restriction can exist BETWEEN an air filter and the engine reducing the benefit of a K&N Air Filter. The weakest link in the airflow chain robs a vehicle of its natural horsepower. Often that weak point is the factory air path leading to the Engine. K&N Air Intake Kits virtually eliminate air path restriction by replacing the air filter and the entire air path to the engine. The aerodynamically engineered tube drives a massive amount of air into an engine, which translates into POWER. K&N 57 Series kits are truly state-of-the-art. We start with the largest conical shaped high-flow air filter we can fit into the engine compartment while using factory holes and mounting points. This extra filter size provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversized air filter also captures and holds more dirt increasing the service life before a cleaning is required (up to 100,000 miles). When possible, the filter is isolated from high engine temperature by a heat shield designed to lower the temperature of the air entering the engine, which increases horsepower. Next we attach the filter to a rotationally molded tube made from interlaced High Density Polyethylene (HDPE). This process allows us to precisely shape the tube to reduce turbulence and accelerate airflow into the engine. This is why some of our tubes have unique shapes that are specifically engineered for each application. Finally the tube is connected to the engine with adapters made from high strength materials such as silicon and reinforced nylon and ensures long life.
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| Customer Reviews:
 Sounds great July 31, 2008
This product was very easy to install took less than 1hr. The air intake plus my super chip work great together. next is the exhaust then i'm done for a while
 Gas Mileage??? June 23, 2008
I've only put a few hundred miles on my '07 F150 since putting the air intake system on. There is a increase in response from my engine, but I have not seen an increase in fuel economy. I would recommend this product for added horsepower, but would not recommend it for the increase in fuel economy that is advertised.
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