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- Performance Air Intake System
- Includes Red Air Filter/Tubing/Adaptors/Hardware;Not Legal For Sale Or Use In California 57S Series - Air Filter w/Lid
- K/N s easy-to-install performance air box replaces the restrictive factory air filtration system delivering a guaranteed power gain. This power boosting air intake comes with K/N s famous Million Mile Limited Warranty.
- 57i Series Induction Kit
- Product Attributes:
- Oil Included: Filter Is Pre-oiled
- Air Filter Height: 7.688 In. (195mm)
- Clamp Style: Regular
- Coupler Color: Not Applicable
- Mounting Hardware Included: Yes
- WARNING CA Proposition 65: Yes
- California Restricted: Not Legal For Sale Or Use In California
- TUV Certificate Number: Tu-025979-c0-206
- Replacement Filter: E-9289
- Item Weight: 4.200 Lbs. (1.9 Kg)
- Product Box Height: 11.810 In. (300mm)
- Filter Material: Cotton Gauze
- Air Filter Outlet Shape: Round
- Product Box Width: 11.810 In. (300 Mm)
- Air Filter Outlet Length: 0.438 In. (11mm)
- Product Box Length: 15.340 In. (390mm)
- Clamp Quantity: No Clamps Included
- Clamp Color: Natural
- Mass Air Flow Sensor Included: Mass Air Flow Sensor Adapter Included When Required
- Clamp Material: Stainless Steel
- Prop 65 (C, R or CR): Cr
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Air Filter Outlet Width: 2.750 In. (70mm)
- Air Filter Element Washable: Yes
- Package Material: Paperboard
- Couplers Included: No
- Filter Color: Red
- Prop 65 Warning Label: Https://www.knfilters.com/images/l/prop65.jpg
- Package Type: Box
- Air Box Included: No
- Street Legal: No
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Features:
- Guaranteed To Increase Horsepower
- Designed To Improve Throttle Response And Engine Sound
- Replaces The Entire Factory Air Intake System
- Washable And Reusable Lifetime Air Filter
- Lasts Up To 100 000 Miles Before Service Required
- Easy To Install - Usually in 90 Minutes or Less
- K&N Million Mile Limited Warranty
- Million Mile Limited Warranty
- The K&N 57S-4000 Performance Airbox replaces the restrictive factory air filter and air box lid. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S-4000 Performance Airbox comes with an oversized conical K&N high-flow air filter and an injection molded air box lid with the K&N logo embossed on top. The air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This performance air box is relatively easy to install into the air box base with commonly available tools. K&N builds these air box systems to last for the life of your vehicle and they are backed by K&N's Million Mile Limited Warranty. Some K&N 57S Series Performance Airboxes are compliant with the latest TUV emissions and sound regulations. Check the K&N catalog or website for vehicle applications and specific TUV status for each vehicle and air intake.
Additional Fitment Information:
| Vehicle | Block | CC | Fuel Type | Engine | Fuel Delivery Type | Sub Model | Aspiration | CID |
|---|---|---|---|---|---|---|---|---|
| 2011 - Ford Focus | L | 2521 | GAS | 5 Cyl 2.5L | FI | ST | Turbocharged | 154 |
- Performance Air Intake System
- Textured Black; Includes Air Filter/Heat Shield/Tubing; Estimated Horsepower Gain 5.83 HP At 5000 RPM;Not Legal For Sale Or Use In California PZEV~69 Series - Metal Intake Kit For Sport Compact & Sports Car; Black [CA]
- K/N s mandrel-bent aluminum cold air intake systems are guaranteed to provide an increase in horsepower and torque; and are protected by the K/N No-Hassle Lifetime Limited Warranty.
- Typhoon Cold Air Induction Kit
- Product Attributes:
- Oil Included: Filter Is Pre-oiled
- Air Filter Height: 5.500 In. (140mm)
- Clamp Style: Regular
- Coupler Color: Black
- Mounting Hardware Included: Yes
- WARNING CA Proposition 65: Yes
- Estimated Horse Power Gain: 5.83 Hp @ 5000 Rpm
- California Restricted: Not Legal For Sale Or Use In California
- TUV Approved (Europe): No
- Intake Pipe Inlet Shape: Round
- Replacement Filter: Ru-4960xd
- Item Weight: 8.600 Lbs. (3.9 Kg)
- RPM: 5000
- Filter Material: Cotton Gauze
- Air Filter Outlet Shape: Round
- Air Filter Outlet Length: 2.750 In. (70mm)
- System Type: Cold Air
- Clamp Quantity: 5
- Air Filter Large End Diameter: 6.000 In. (152mm)
- Intake Pipe Outlet Shape: Round
- Intake Pipe Color: Textured Black
- Clamp Color: Natural
- Clamp Material: Stainless Steel
- Mass Air Flow Sensor Included: Mass Air Flow Sensor Adapter Included When Required
- Prop 65 (C, R or CR): Cr
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Intake Pipe Material: Aluminum
- Air Filter Outlet Width: 2.750 In. (70mm)
- Horse Power Increase: 6 Hp
- Intake Pipe Inlet Length: 7.500 In. (191mm)
- Air Filter Element Washable: Yes
- Couplers Included: 1
- Package Material: Paperboard
- Intake Pipe Inlet Width: 2.750 In. (70mm)
- Intake Pipe Outlet Length: 7.500 In. (191mm)
- Filter Color: Red
- Prop 65 Warning Label: Https://www.knfilters.com/images/l/prop65.jpg
- Package Type: Box
- Air Box Included: No
- Street Legal: No
- Intake Pipe Outlet Width: 2.750 In. (70mm)
-
Features:
- Guaranteed To Increase Horsepower
- Designed To Improve Throttle Response And Engine Sound
- Free Flowing Aluminum Tube
- Easy To Install Usually In 90 Minutes or Less
- Lasts Up To 100000 Miles Before Service Is Required
- Replaces Entire Factory Air Intake System
- Washable And Reusable Lifetime Air Filter
- K&N Million Mile Limited Warranty
- Gain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel-bent aluminum intake tube. Each system is paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2011 - Ford Focus | L | 1999 | 4 Cyl 2.0L | 122 |
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