1. Motorcycle/Scooter Air Filters Deals
  2. sku: 8377256817527771
  3. YAMAHA YA-4503

YAMAHA YA-4503 Nos Performance Xstream Air Filter

fits model: Wr250f. make: Yamaha.

Ya-4503 K&n Nos Yamaha Wr250f Performance Xstream Air Filter

( Manufacturer Part Number: YA-4503 ), ( Type: Air Filter ), ( Gasket Material: Foam ), ( Universal Fitment: No ), ( Performance Part: Yes )

Review YAMAHA Nos Performance Xstream Air Filter fits WR250F

Introducing the Ya-4503 NOS Yamaha WR250F Performance Xstream Air Filter, a high-performance upgrade designed to enhance your off-road adventure bike's engine efficiency and power output. This air filter from Xstream Filters is specifically engineered for the Yamaha WR250F model, ensuring a perfect fit and seamless integration into your motorcycle's air intake system.

The Ya-4503 air filter boasts a number of advanced features that set it apart from OEM filters. Its multi-layered design incorporates a high-performance foam filter element, which offers increased surface area for air filtration while maintaining excellent flow rates. This results in more clean air being delivered to the engine, leading to improved combustion efficiency, increased power, and enhanced throttle response.

Additionally, the Ya-4503 air filter features a unique, washable and reusable design. The foam filter element can be easily cleaned with compressed air or a mild detergent solution, allowing you to reuse it multiple times without the need for frequent replacements. This not only saves you money in the long run but also reduces the environmental impact of disposable paper filters.

The Ya-4503 air filter is also designed with durability in mind. Its high-quality materials and construction ensure it can withstand the rigors of off-road riding, while its UV-stable coating protects the filter from the sun's harmful rays.

Installing the Ya-4503 air filter on your Yamaha WR250F is a straightforward process. It comes complete with all necessary mounting hardware, making for a hassle-free installation experience. Furthermore, its universal design allows for easy conversion from your stock air filter, ensuring a smooth transition to improved performance.

In summary, the Ya-4503 NOS Yamaha WR250F Performance Xstream Air Filter is an excellent investment for any serious off-road rider looking to maximize their bike's power and efficiency. With its advanced design, superior filtration capabilities, and durable construction, this air filter is sure to provide you with the performance edge you need to tackle any terrain with confidence.

The Ya-4503 NOS (Nitrous Oxide System) air filter for the Yamaha WR250F is designed to improve the motorcycle's engine performance by increasing the air intake. Here are some pros and cons of using this air filter:

Pros:

1. Enhanced engine performance: The Ya-4503 NOS air filter allows more air to flow into the engine, resulting in increased power and torque.

2. Improved throttle response: The air filter helps the engine respond faster to throttle inputs, making the bike feel more responsive and agile.

3. Better fuel efficiency: By increasing the air intake, the engine burns fuel more efficiently, leading to better fuel economy.

4. Durable construction: The Ya-4503 NOS air filter is made of high-quality materials that can withstand the rigors of off-road riding.

5. Easy installation: The air filter can be installed in about 30 minutes with basic hand tools.

Cons:

1. Increased noise level: The Ya-4503 NOS air filter may produce a louder exhaust note due to the increased air flow.

2. Higher cost: The Ya-4503 NOS air filter is more expensive than a standard air filter.

3. Requires maintenance: The air filter should be cleaned or replaced every 50 hours of riding to maintain optimal performance.

4. Not suitable for street riding: The Ya-4503 NOS air filter is designed for off-road use only and is not legal for use on public roads.

In conclusion, the Ya-4503 NOS air filter for the Yamaha WR250F offers significant performance benefits for off-road riding, including increased power, improved throttle response, better fuel efficiency, and durable construction. However, it also comes with some drawbacks, such as increased noise level, higher cost, and the requirement for regular maintenance. If you primarily use your WR250F for off-road riding and are looking for a significant performance boost, the Ya-4503 NOS air filter may be worth the investment. Otherwise, a standard air filter may be a more cost-effective and practical choice for street riding.

Details:

Z1 - Kz900 Kz1000 -H1/500 H2/750. Never shipped until paid in full. K N Performance XStream Air Filter, For Yamaha, P/N: YA-4503. Applications: 2003 2013 Yamaha WR250F, 2003 2015 WR450F.

part #: ya4503 prices

  • $27.19-$100.00

specifications scoofilters:

  • for models: Wr250f
  • for makes: Yamaha
  • mpn: Ya-4503
  • type: Air Filter
  • gasket material: Foam
  • universal fitment: No
  • performance part: Yes

payments scoofilters:

  • wallet: Apple-pay
  • other
  • credit card: Discover

returns scoofilters:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

general scoofilters:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Air Filters
  • condition: New other see details

offer scoofilters:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • started: December 30, 2025
  • best offers: True

seller scoofilters:

  • city: Wadsworth, Ohio
  • rating: 99.9%
  • # reviews: 84137

shipping scoofilters:

  • type: Calculated
  • transit: 4-8 Days
  • class: Standard, Expedited
  • service: USPS First Class, USPS Priority Mail, UPS Ground
  • carrier: USPS, UPS
  • cost: $14.70
for models: wr250f, for makes: yamaha, type: air filter, gasket material: foam, universal fitment: no, performance part: yes,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > air filters, sku: 8377256817527771,

Yamaha YA-4503 Is Similar To:

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2 offers $27.19–$100.00 USD
  • Offer #1: $100.00 price + $16.10 shipping estimate = $116.10* total. 2003-2015 Yamaha WR450F K&N Performance XStream Air Filter.+$16.10 shipping
  • Offer #2: $27.19 price + $30.29 shipping estimate = $57.48* total. Top quality materials and superior construction allow the filter to be used over and over again without any loss of performance. F r HIFLO HFF4014.+$30.29 shipping

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