1. Motorcycle/Scooter Air Filters Deals
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  3. HIFLO ORHI-LO499059-ER

HIFLO ORHI-LO499059-ER Air Filter Bike

fits model: 450. make: Ktm. year: 2003–2006.

Orhi-lo499059-er Hiflo 2003-2006 Ktm 450 Exc Dirt Bike Air Filter

( Brand: Hiflo ), ( Manufacturer Part Number: ORHI-LO499059-ER ), ( Part Type: Filter )

Review HIFLO Ktm Exc Dirt Bike Air Filter fits 450 2003–2006

The HIFLO or HI-LO Part number 499059-ER is a high-performance air filter designed specifically for KTM 450 EXC bikes manufactured between 2003 and 2006. This air filter is an excellent upgrade for riders seeking to enhance their bike's engine performance and air filtration efficiency.

This air filter boasts a large surface area, which increases the volume of air that can be filtered at any given time. The filter media is made from a pleated cotton material that is both washable and reusable. The pleats provide a larger filtering surface area, which in turn captures more dirt and debris before they reach the engine.

The HIFLO air filter is designed with a seamless transition between the filter media and the filter box, eliminating any potential leakage or air bypass issues that can occur with other aftermarket filters. The filter element is held in place by a high-quality, reusable silicone seal that provides a tight fit and prevents air from escaping around the edges.

The filter element is also designed with a unique oval shape that matches the contours of the KTM 450 EXC engine airbox. This shape ensures a perfect fit and optimal engine airflow, resulting in improved engine performance and power delivery.

The HIFLO air filter comes with a replacement foam oil filter, which is also washable and reusable. The oil filter is designed to capture any residual oil mist that may be present in the engine intake air, ensuring that only clean air reaches the engine.

This air filter is easy to install, requiring no modifications to the bike's original airbox or intake system. It is also easy to clean and maintain, with simple instructions provided in the package. Overall, the HIFLO 499059-ER air filter is an excellent investment for any KTM 450 EXC rider looking to maximize their bike's performance and engine longevity.

Pros and Cons of Buying a HIFLO or Hi-LO 499059-ER Air Filter for 2003-2006 KTM 450 EXC Bikes

Introduction:

The HIFLO and Hi-LO 499059-ER air filters are popular aftermarket options for KTM 450 EXC motorcycles from the 2003 to 2006 model years. These filters promise improved performance and longer service life compared to the stock filters. In this analysis, we will explore the key advantages and disadvantages of investing in a HIFLO or Hi-LO 499059-ER air filter for your KTM 450 EXC.

Pros:

1. Enhanced engine performance: The HIFLO and Hi-LO 499059-ER air filters are designed to capture more air, allowing for a denser air-fuel mixture. This results in increased power output and improved throttle response.

2. Longer service intervals: These aftermarket filters are designed to last longer than stock filters, reducing the frequency of filter replacements.

3. Easy installation: The HIFLO and Hi-LO 499059-ER air filters can be easily installed in place of the stock filters, making for a straightforward upgrade process.

Cons:

1. Cost: Aftermarket air filters like the HIFLO and Hi-LO 499059-ER can be more expensive than stock filters.

2. Potential for increased maintenance: While the filters promise longer service intervals, some riders may find the need to clean or replace them more frequently due to their increased airflow.

3. Potential impact on fuel economy: The increased airflow may lead to slightly higher fuel consumption, though the impact is generally considered negligible.

Conclusion:

The decision to purchase a HIFLO or Hi-LO 499059-ER air filter for your 2003-2006 KTM 450 EXC depends on your priorities as a rider. If you value enhanced performance and extended service intervals, this upgrade may be worth the investment. However, if you are budget-conscious or prefer to minimize maintenance requirements, the additional cost and potential increased maintenance may be a deterrent. Ultimately, the choice is yours, and a thorough evaluation of your riding style and preferences should guide your decision.

Recommendation:

If you prioritize performance and are willing to accept the added cost and potential increased maintenance, the HIFLO or Hi-LO 499059-ER air filter is an excellent upgrade for your 2003-2006 KTM 450 EXC. However, if you are more focused on minimizing expenses and maintenance requirements, it may be best to stick with the stock filter. In all cases, be sure to follow the manufacturer's recommendations for filter maintenance to ensure optimal engine performance.

Details:

Credit or Debit Card. Parts without fitment are to be assumed universal and may require vehicle modification.: Brand: HiFlo, model Number: ORHI-LO499059-ER. This is helpful if you are buying multiple items.

2003 2006 KTM 450 EXC Dirt Bike HiFlo air filter: Compatibility: EXC, Notes: 1st Filter. I need to exchange an item.

part #: orhilo499059 price

  • $24.16

specifications scoofilters:

  • for models: 450
  • for makes: Ktm
  • for years: 2003-2006
  • brand: Hiflo
  • mpn: Orhi-lo499059-er
  • part type: Filter

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general scoofilters:

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

shipping scoofilters:

  • transit: 2-6 Days
  • class: Standard
  • type: Fixed
  • service: Standard
  • cost: $0.00

returns scoofilters:

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

seller scoofilters:

  • # reviews: 69853
  • city: San Marcos, CA
  • rating: 99.7%

offer scoofilters:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 9
  • started: November 12, 2025
for models: 450, for makes: ktm, for years: 2003-2006, part type: filter,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > air filters, sku: 7624463856370722,

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  • Offer #1: $24.16 price + $0.00 shipping estimate = $24.16* total. Credit or Debit Card Compatibility: 2003-2006 KTM 450 EXC.FREE SHIPPING

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