1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12771150950454772
  3. MAXPEEDINGRODS FMNBY7

MAXPEEDINGRODS FMNBY7 Intake Exhaust Valve Kit Set

fits model: Trx400ex, Sportrax. make: Honda. year: 1999–2008.

Fmnby7 Maxpeedingrods Intake Exhaust Valve Kit For Honda Sportrax Trx400ex 1999-2008 Aluminum Set

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: FMNBY7 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Engine Type: 4-stroke ), ( Finish: Unfinished ), ( Fitment: For Honda Sportrax Trx400ex 1999-2008 ), ( Items Included: Bolts ), ( Machine Type: Off-road Motorcycle ), ( Material: Aluminum ), ( Performance Part: Yes ), ( Type: Cylinder Head ), ( Unit Type: Unit )

Review MAXPEEDINGRODS Intake Exhaust Valve Kit Honda Aluminum Set fits SPORTRAX TRX400EX 1999–2008

Introducing the Maxpeedingrods FNMBY7 Intake Exhaust Valve Kit, specifically designed for Honda Sportrax TRX400EX models from 1999 to 2008. This kit is an excellent upgrade for those seeking to enhance the performance of their ATV.

The Maxpeedingrods FNMBY7 Intake Exhaust Valve Kit comes with high-performance intake and exhaust valves. The intake valves are made from durable, heat-resistant material that ensures optimal sealing and air flow into the engine. The exhaust valves, on the other hand, are designed to minimize back pressure and promote efficient exhaust gas expulsion.

The kit is easy to install, with no major engine disassembly required. The intake and exhaust valves simply replace the stock components, making for a straightforward installation process. However, it is recommended that the installation is carried out by a professional mechanic or someone with extensive experience in ATV maintenance to ensure proper fitting and function.

The Maxpeedingrods FNMBY7 Intake Exhaust Valve Kit is known to provide several performance benefits. It improves engine power and torque, resulting in a more responsive and agile ATV. The kit also increases fuel efficiency, allowing you to cover more distance with less fuel consumption. Additionally, the kit contributes to a smoother engine operation by reducing engine heat and promoting better combustion.

The Maxpeedingrods FNMBY7 Intake Exhaust Valve Kit is a high-quality, affordable performance upgrade for Honda Sportrax TRX400EX models. With its durable construction, easy installation, and proven performance benefits, it is an excellent investment for any ATV enthusiast looking to maximize the capabilities of their machine.

Maxpeedingrods FMNBY7 Intake Exhaust Valve Kit for Honda Sportrax TRX400EX (1999-2008): A Detailed Analysis

The Maxpeedingrods FMNBY7 Intake Exhaust Valve Kit is a popular aftermarket modification for the Honda Sportrax TRX400EX model years 1999-2008. This kit is designed to enhance the engine performance by improving the flow of air and exhaust gases. In this analysis, we will discuss the potential advantages and disadvantages of installing this kit on your Honda Sportrax TRX400EX.

Pros:

1. Increased Power: The primary benefit of installing an intake and exhaust valve kit is the potential increase in engine power. The improved flow of air and exhaust gases can lead to better combustion, resulting in more horsepower and torque.

2. Improved Throttle Response: The kit can also improve the throttle response, making the engine feel more responsive and lively. This can be particularly noticeable when riding in hilly or technical terrain.

3. Enhanced Engine Sound: Many riders report that the exhaust valve kit results in a more exhilarating engine sound, adding to the overall riding experience.

4. Durable Construction: Maxpeedingrods is known for producing high-quality aftermarket parts, and the FMNBY7 kit is no exception. The kit is made of durable materials, ensuring long-lasting performance.

Cons:

1. Installation Complexity: Installing the intake and exhaust valve kit can be a complex process, requiring advanced mechanical skills and specialized tools. It is not recommended for novice riders or those without a good understanding of engine mechanics.

2. Cost: The FMNBY7 kit is not an inexpensive modification, with the cost ranging from several hundred to over a thousand dollars, depending on the retailer and shipping fees.

3. Potential Noise Levels: Some riders have reported that the exhaust valve kit can be quite loud, which may not be desirable for those who prefer a quieter riding experience.

4. Potential Emissions Issues: Installing an aftermarket exhaust valve kit may result in increased emissions, which could potentially lead to failures during emissions testing or other regulatory checks.

Conclusion:

The Maxpeedingrods FMNBY7 Intake Exhaust Valve Kit for the Honda Sportrax TRX400EX (1999-2008) offers several potential benefits, including increased power, improved throttle response, and an enhanced engine sound. However, the complex installation process, high cost, potential noise levels, and emissions issues are important considerations before making a purchase.

Ultimately, the decision to install the FMNBY7 kit depends on your personal riding preferences, mechanical skills, and budget. If you are an experienced rider, enjoy a loud engine sound, and are willing to invest in the kit and the installation process, then the FMNBY7 kit could be a worthwhile modification for your Honda Sportrax TRX400EX. However, if you prefer a quieter riding experience, lack the necessary mechanical skills, or have concerns about the cost and potential emissions issues, it may be best to consider other modifications or to hold off on this particular upgrade.

Recommendation:

For riders who are experienced, enjoy a loud engine sound, and have the necessary budget and mechanical skills, the Maxpeedingrods FMNBY7 Intake Exhaust Valve Kit for the Honda Sportrax TRX400EX (1999-2008) is a worthwhile upgrade that could significantly enhance the performance and riding experience of their ATV. However, for those who prefer a quieter riding experience, lack the necessary mechanical skills, or have concerns about the cost and potential emissions issues, it may be best to consider other modifications or to hold off on this particular upgrade. Always ensure that local regulations allow for the installation of aftermarket exhaust systems before making a purchase.

Details:

Package included: 4 Rocker Arms. MaXpeedingrods always follow the development concept that Success derives from devotion and happiness comes sharing to make contributes domestic overseas car tuning enthusiasts global racing culture by excellent products service. Type: Cylinder Rebuild Intake Valve Kit. Application: for Honda Sportrax TRX400EX 1999 -2008.

Components and materials ensure a longer service life. 4 Rocker Arm Shafts. Less expensive, easier to install. Springs And Clips As Pictured.

MaXpeedingrods has a longstanding commitment to the research of ECU, engine, gearbox and vehicle performance electronic calibration. Material: Aluminum. Specification: condition: 100% New High Quality. 2.High Quality.

We established cooperation's with EM tron, Mote, LINK, Cartel, Him, etc. Every product has quality inspection before leaving the factory.

specifications cylindermotorcycleiz:

  • for models: Trx400ex, Sportrax
  • for makes: Honda
  • for years: 1999-2008
  • brand: Maxpeedingrods
  • mpn: Fmnby7
  • california prop 65 warning: California Prop 65 Warning
  • engine type: 4-stroke
  • finish: Unfinished
  • fitment: For Honda Sportrax Trx400ex 1999-2008
  • items included: Bolts
  • machine type: Off-road Motorcycle
  • material: Aluminum
  • performance part: Yes
  • type: Cylinder Head
  • unit type: Unit

returns cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • class: Standard
  • cost: $0.00
  • transit: 2-6 Days
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx

general cylindermotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: New

seller cylindermotorcycleiz:

  • city: Elk Grove Village, Illinois
  • # reviews: 26729
  • rating: 99.2%

payments cylindermotorcycleiz:

  • credit card: Visa
  • wallet: Paypal
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offer cylindermotorcycleiz:

  • best offers: True
  • options: Ship-to-home
  • quantity: 10
  • started: October 21, 2025
  • availability: In Stock
  • sold: 0
for models: trx400ex, sportrax, for makes: honda, for years: 1999-2008, california prop 65 warning: california prop 65 warning, engine type: 4-stroke, finish: unfinished, fitment: for honda sportrax trx400ex 1999-2008, items included: bolts, machine type: off-road motorcycle, performance part: yes, type: cylinder head, unit type: unit,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, material: aluminum, sku: 12771150950454772,
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