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K&N 57-2561 5.0 out of 5 stars 1 Customer Review
57 Series FIPK > Performance Intake Kit

 List Price: $535.52
Your Price: $309.99

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57-2561
 
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The 57 Series Generation II air intake, also referred to as an FIPK®, is K&N's ultimate performance product. These performance intakes are designed to increase power by as much as 10%. 57 Series FIPK's are CARB exempt, street legal in all 50 US states, come with K&N's Million Mile Limited Warranty and are guaranteed to increase power. K&N air intake systems replace your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This translates into more power and torque for your vehicle. The air filters on these kits are washable and reusable. Most of our air intake systems are easy to install using tools commonly available (see installation instructions).[MORE]
Available Information
Installation Instruction Sheet
Dyno Chart - 2004 Ford Ranger 4.0L- 13.46HP Increase
News Story - Add 13+ Horsepower to Mazda B4000 and Ford Ranger with K&N FIPK
57-2561 Vehicle Applications


Part 57-2561 Product Specifications
Product Style: 57 Series FIPK
Estimated Horsepower Gain: 13.46 HP @ 5129 RPM
Replacement Filter: RU-4990
Street Legal In All US States: Yes
TUV Approved (Europe): No
Type: Gen II
Intake Pipe Color / Finish: Black
Weight: 8.3 lb (3.8 kg)
Product Box Length: 20.25 in (514 mm)
Product Box Width: 12.25 in (311 mm)
Product Box Height: 12.25 in (311 mm)


Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Accessories
99-5050.jpg
99-5050 - Filter Care Service Kit - Squeeze
RU-4990.jpg
RU-4990 - Replacement Filter
RX-4990DK.jpg
RX-4990DK - Air Filter Wrap
RX-4990DL.jpg
RX-4990DL - Air Filter Wrap
RX-4990DR.jpg
RX-4990DR - Air Filter Wrap
RX-4990DY.jpg
RX-4990DY - Air Filter Wrap

Product Reviews      Review part 57-2561

 I think this product is great. If anyone out there owns a Ford Ranger with 4.0 liter buy this product. This motor must be drowning for air intake. I use to get 15 mpg now getting 17mpg. I know your'e thinking oh 2mpg . Did the math, pays for itself in 8 tanks, for me that's 2 months. Then I get the extra 8 dollars every tank. 400 bucks annually, its sick how much gas cost. Don't know how much hp I gained but had to be some and I dont ever have to buy another filter, thank you K  N . Some customer said his friend bought one for his Ranger after we got done Bitchn about gas and my mpg, thought why not, I've tried everything else. Pass it on Ranger fans.
Scott Zimprich, Isanti, Minnesota

K&N 57-2561 fits the following:
2007 MAZDA B4000 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2007 FORD RANGER 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2006 MAZDA B4000 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2006 FORD RANGER 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2005 MAZDA B4000 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2005 FORD RANGER 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2004 MAZDA B4000 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No
2004 FORD RANGER 4.0L V6 F/I - All Street Legal In All US States: Yes
CARB EO Number: D-269-34
TUV Approved (Europe): No