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Air and Fuel› Air Cleaners, Filters, Intakes and Components

DNA Filters

Performance Air Filter

$133.99 $119.77 Save $14.22

SKU: P-K4S18-01

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The DNA Air Filter P-K4S18-01 is a high-performance replacement air filter designed for various Kawasaki motorcycle models.

This filter features DNA's advanced Full Contour Design and utilizes four layers of cotton media to achieve a 98-99% filtration efficiency. It offers a significant increase in airflow compared to the stock paper filter, with a flow rate of 160.00 CFM compared to the OEM's 122.00 CFM.
Show original supplier description
The DNA Filters P-K4S18-01 is a premium replacement air filter engineered to enhance the performance of select Kawasaki motorcycles. Constructed with four layers of DNA Cotton, the P-K4S18-01 achieves an exceptional filtering efficiency of 98% to 99%, ensuring that your engine receives clean air while allowing for maximum airflow. This results in a notable increase in horsepower and acceleration, with the filter providing 31.15% more airflow than the stock Kawasaki paper filter. Specifically, it achieves an airflow of 160.00 CFM compared to the OEM filter's 122.00 CFM, measured at 1.5" H2O corrected @ 25 degrees Celsius. The product comes with a Lifetime Warranty, underscoring the brand's commitment to quality, construction, and materials. The P-K4S18-01 is compatible with the Kawasaki Ninja 400 (2018+), Ninja 400 ABS (2018+), Ninja ZX-4RR (2023+), Ninja 500 (2024+), and Z500 (2024+).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandDNA Filters
Part NumberP-K4S18-01
CategoryAir and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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