OUTERWEARS MN-PRN9 Round Taper Filter Qd MN/PRN9

( Brand: Outerwears ), ( Type: Pre-filters ), ( Manufacturer Part Number: MN/PRN9 ), ( Color: Blue ), ( Compatible Year: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 ), ( Compatible Model: Trx400ex Sportrax ), ( Bundle Description: 1 Pc Genuine Outerwears Pre-filters ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Position: K N Round Taper )

Review OUTERWEARS Mn/prn9 Round Taper Pre filter Honda Qd fits SPORTRAX TRX400EX 1999–2008

Introducing the Outerwears MN/PRN9 Round Taper Pre-Filter, specifically designed for Honda TRX400EX Sportrax models produced between 1999 and 2008. This pre-filter is an essential accessory for enhancing the performance and longevity of your ATV's air intake system.

Crafted with precision, this pre-filter boasts a round taper design that seamlessly integrates with the OEM air intake system. Its dimensions are 7.0 inches in length and 3.5 inches in diameter, ensuring a perfect fit. The pre-filter features a high-density cotton material that effectively traps dust, debris, and other contaminants, preventing them from entering the engine.

The MN/PRN9 Round Taper Pre-Filter boasts a quick-disconnect design, which makes installation and removal a breeze. No tools are required, allowing you to easily clean or replace the pre-filter as needed. The quick-disconnect feature also enables you to quickly access the air filter element for maintenance.

This pre-filter is engineered using a durable, UV-resistant material that offers excellent protection against the elements. Its designed to withstand the rigors of off-road riding while maintaining optimal engine performance. The pre-filter's design also allows for excellent airflow, ensuring your engine receives an ample supply of clean air for optimal combustion and power.

In summary, the Outerwears MN/PRN9 Round Taper Pre-Filter is an indispensable accessory for Honda TRX400EX Sportrax owners. Its precise fit, effective filtration, quick-disconnect design, and durability make it an excellent investment for those seeking to enhance their ATV's performance and prolong its life.

Pros and Cons of Buying an MN/PRN9 Round Taper Pre-Filter for a 1999-2008 Honda TRX400EX Sportrax

a. Improved Air Filtration: A pre-filter, like the MN/PRN9, can capture larger particles before they reach the main air filter, extending its life and ensuring better engine performance.

b. Easy Installation: This pre-filter is designed to be a quick-disconnect (QD) unit, making installation and removal simple and straightforward.

c. Enhanced Engine Protection: By trapping more debris, the pre-filter helps safeguard the engine from damage caused by contaminated air.

d. Better Performance: A cleaner air filter allows for improved engine efficiency and better overall performance.

a. Additional Cost: Purchasing and installing a pre-filter is an additional expense, which may not be necessary for all riders or riding conditions.

b. Maintenance: While the pre-filter reduces the workload on the main air filter, it still requires periodic cleaning or replacement to maintain optimal performance.

c. Potential for Reduced Power: Depending on the specific design of the pre-filter, there may be a slight reduction in power due to the added layer of filtration.

The decision to purchase an MN/PRN9 Round Taper Pre-Filter for a 1999-2008 Honda TRX400EX Sportrax depends on the individual rider's needs and priorities. If you frequently ride in dusty conditions, the benefits of improved filtration, engine protection, and performance may outweigh the additional cost and maintenance requirements. Conversely, if you rarely encounter dusty trails, the cons may make this investment less appealing. Ultimately, consider the conditions you ride in and your budget to determine if this pre-filter is a worthwhile investment for your Honda TRX400EX Sportrax.

If you frequently ride in dusty conditions, the MN/PRN9 Round Taper Pre-Filter is recommended for enhancing air filtration, engine protection, and overall performance. However, if you rarely encounter dusty trails or prefer to focus on other upgrades, this investment may not be essential for your Honda TRX400EX Sportrax.

part # mnprn9 price

• $39.45

specifications filterblank:

• for models: Trx400ex, Sportrax
• for makes: Honda
• for years: 1999-2008
• brand: Outerwears
• type: Pre-filters
• manufacturer part number: MN/PRN9
• color: Blue
• compatible year: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999
• compatible model: Trx400ex Sportrax
• bundle description: 1 Pc Genuine Outerwears Pre-filters
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• position: K N Round Taper

seller filterblank:

• # reviews: 24030
• rating: 99.3%

payments filterblank:

• credit card: Discover
• wallet: Paypal
• other

general filterblank:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Air Filters

offer filterblank:

• sold: 0
• started: June 11, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1

shipping filterblank:

• cost: $0.00
• service: Standard
• transit: 3-6 Days
• type: Fixed
• class: Standard

returns filterblank:

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

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