K&N 57-1521 Performance Air Intake Kit — Fits 1991-1995 Jeep Wrangler L6-4.0L

SKU: KNN57-1521

About K&N Engineering K&N has been the world's leader in ...Read more

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Sale price$367.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

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Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your Jeep Wrangler's Power with K&N Performance Intake

The K&N 57-1521 Performance Air Intake Kit is engineered to deliver a substantial increase in horsepower and torque for your 1991-1995 Jeep Wrangler equipped with the L6-4.0L engine.

Elevate your off-road or daily driving experience with this high-performance cold air intake system. It's designed to optimize airflow into your engine, resulting in noticeable improvements in acceleration and overall power output. The system features a robust, high-density polyethylene (HDPE) rotationally-molded tube that maximizes air volume, promoting more efficient combustion and delivering a guaranteed performance boost.

Key Features and Benefits:

  • Enhanced Engine Performance: Experience a significant and reliable increase in horsepower and torque.
  • High-Flow Air Filter: Comes with K&N's signature washable and reusable High-Flow Air Filter, featuring oiled cotton gauze for superior airflow and filtration.
  • Long Service Life: The oversized, conical filter design allows for extended service intervals, up to 100,000 miles between cleanings under typical highway conditions.
  • Custom Heat Shield: Includes a specially designed heat shield to insulate the intake air from engine bay heat, ensuring cooler, denser air for optimal performance.
  • Simplified Installation: Engineered for a direct fit, allowing for a typical installation time of less than 60 minutes with basic tools.
  • CARB Compliant: This intake system carries CARB EO D-269-22, ensuring its legality for use in California and other emissions-regulated states.

Don't miss out on unlocking your Jeep Wrangler's full potential. The K&N 57-1521 cold air intake offers a perfect blend of performance, durability, and ease of installation. Purchase yours today from GGCRACING and feel the difference!

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your Jeep Wrangler's Power with K&N Performance Intake

The K&N 57-1521 Performance Air Intake Kit is engineered to deliver a substantial increase in horsepower and torque for your 1991-1995 Jeep Wrangler equipped with the L6-4.0L engine.

Elevate your off-road or daily driving experience with this high-performance cold air intake system. It's designed to optimize airflow into your engine, resulting in noticeable improvements in acceleration and overall power output. The system features a robust, high-density polyethylene (HDPE) rotationally-molded tube that maximizes air volume, promoting more efficient combustion and delivering a guaranteed performance boost.

Key Features and Benefits:

  • Enhanced Engine Performance: Experience a significant and reliable increase in horsepower and torque.
  • High-Flow Air Filter: Comes with K&N's signature washable and reusable High-Flow Air Filter, featuring oiled cotton gauze for superior airflow and filtration.
  • Long Service Life: The oversized, conical filter design allows for extended service intervals, up to 100,000 miles between cleanings under typical highway conditions.
  • Custom Heat Shield: Includes a specially designed heat shield to insulate the intake air from engine bay heat, ensuring cooler, denser air for optimal performance.
  • Simplified Installation: Engineered for a direct fit, allowing for a typical installation time of less than 60 minutes with basic tools.
  • CARB Compliant: This intake system carries CARB EO D-269-22, ensuring its legality for use in California and other emissions-regulated states.

Don't miss out on unlocking your Jeep Wrangler's full potential. The K&N 57-1521 cold air intake offers a perfect blend of performance, durability, and ease of installation. Purchase yours today from GGCRACING and feel the difference!

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