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  • K&N Universal X-Stream Clamp-On Air Filter 3.5in Flg ID/4in OD/5.75in H
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K&N Universal X-Stream Clamp-On Air Filter 3.5in Flg ID/4in OD/5.75in H

K&N Engineering
KNNRX-4130-1
Auf Lager
Air Filters - Universal Fit
$125.99
K&N Universal X-Stream Clamp-On Air Filter (3.5" Flange, 5.75" H) Boost airflow and horsepower with the K&N Universal X-Stream Clamp-On Air Filter. Features an integrated...
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$125.99
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K&N Universal X-Stream Clamp-On Air Filter 3.5in Flg ID/4in OD/5.75in H
Description

K&N Universal X-Stream Clamp-On Air Filter (3.5" Flange, 5.75" H)

Boost airflow and horsepower with the K&N Universal X-Stream Clamp-On Air Filter. Features an integrated X-Stream filter top, 3.5in flange, and washable design.

The K&N Universal X-Stream Clamp-On Air Filter is engineered to take engine performance to the next level. Built with an innovative integrated filter top (X-Stream design), this unit adds extra surface area compared to standard flat-top filters, maximizing air intake efficiency and extending service intervals.

Constructed with molded pliable rubber flanges, the filter effectively absorbs engine vibration while ensuring a tight, secure clamp-on fitment. The rubber flange can also stretch up to 1/16 in. (1.5mm) to accommodate slightly off-size intake tubes. Featuring K&N's signature oiled cotton gauze filter media, this air filter delivers high airflow while maintaining superior filtration to protect your engine under extreme conditions. It is fully washable and reusable, making it a durable performance upgrade.

Best Uses

  1. Custom Performance Builds: Ideal for custom cold air intakes, custom air boxes, and aftermarket forced-induction piping.
  2. Motorsports & Racing: Designed for racing environments where maximum airflow and high engine protection are required.
  3. Off-Road & High-Dust Environments: Ideal for off-road vehicles requiring extended service intervals and extra filter surface area.
  4. Engine Swaps & Universal Upgrades: Perfect for custom engine builds with a 3.5-inch outer diameter intake pipe interface.

Features

  1. X-Stream Filter Top Design: Adds an extra filtration surface on the top of the filter to increase total surface area and airflow.
  2. Flexible Rubber Flange: Features an ultra-strong, pliable rubber base designed to absorb vibration and stretch up to 1/16 in. (1.5mm) for versatile fitment.
  3. Washable & Reusable Media: Built using layered, oiled cotton gauze media that can be cleaned and reused for long-term reliability.
  4. Simple Clamp-On Installation: Designed to quickly clamp directly onto 3.5-inch outer-diameter intake tubing.
  5. Precision Dimensions: Features a 3.5 in. flange inner diameter, a 4 in. body outer diameter, and an overall height of 5.75 in.

Benefits

  1. Increased Horsepower & Acceleration: Delivers a higher volume of clean air to the engine to enhance overall throttle response and horsepower output.
  2. Longer Service Intervals: The added surface area from the X-Stream filter top holds more dust before requiring cleaning, extending intervals between maintenance.
  3. Cost-Effective & Eco-Friendly: The reusable design eliminates the need to repeatedly purchase disposable paper filters.
  4. Superior Engine Protection: High-flow cotton media effectively traps dirt and harmful contaminants to safeguard engine components.
  5. Secure, Vibration-Resistant Fit: The durable molded rubber flange absorbs engine movement to prevent loose fittings or air leaks.
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1. Shipments to the Contiguous 48 US States Orders $149.99 and over qualify for our fast free shipping offer. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

2. Please see our International Orders page for orders shipping outside the US. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

3.For a specific delivery ETA based on the exact item(s) you want to purchase, please call us at (248) 832-2444 or message us via Chat before placing an order.

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1. Returned products must be in new, unused condition and include the original box and/or packaging with all tags included.

2. Once your return is received and inspected by MotoKarMax (usually within 48-72 hours of receiving), your refund will be processed and a credit will be applied to your credit card or original payment method. Please note that depending on your credit card company, it may take an additional 2-10 business days after your credit is applied for it to be posted to your account.

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