1. Motorcycle Intake & Fuel Systems Deals
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  3. PERFORMANCE MACHINE MN/9TK5

PERFORMANCE MACHINE MN-9TK5 Air Intake Solution Nx MN/9TK5

fits make: Harley, Davidson. year: 1994–2007.

9tk5 Performance Machine Mn/9tk5 Fast Air Intake Solution For 1994-2007 Harley Davidson Nx

( Brand: Performance Machine ), ( Manufacturer Part Number: MN/9TK5 ), ( Color: Chrome ), ( Compatible Year: 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flhr Road King ), ( Bundle Description: 1 Pc Genuine Performance Machine Fast Air Intake Solution ), ( Type: Fast Air Intake Solution ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review PERFORMANCE MACHINE Mn/9tk5 Fast Air Intake Solution Harley Davidson Nx fits 1994–2007

The **Performance MN/9TK5 Air Intake Solution** is a meticulously engineered aftermarket upgrade designed specifically for the 1994 2007 Harley-Davidson **NX (Nighthawk) series**, including the **NXR, NXRT, and NXRTL** models equipped with the **90 V-Twin 883cc (9TK5) engine**. This high-performance intake system is crafted to enhance airflow, optimize throttle response, and deliver a more aggressive, sporty exhaust note all while maintaining the iconic Nighthawk s sleek, understated styling. Engineered with precision, the **MN/9TK5 intake** features a **high-flow, direct-fit airbox** that replaces the stock restrictive housing with a lightweight, durable polycarbonate or high-impact plastic construction, ensuring minimal weight while maximizing airflow efficiency. The intake incorporates a **smooth, contoured air filter housing** that integrates seamlessly with the bike s fairing, eliminating the need for bulky aftermarket modifications that disrupt the Nighthawk s clean, aerodynamic profile. At the heart of the system lies a **high-performance, oil-bath or dry-type filter** (depending on the model variant), carefully selected to provide superior particulate capture without compromising airflow critical for maintaining engine longevity while unlocking extra horsepower and torque. The intake s **low-restriction design** ensures that air enters the engine with minimal turbulence, allowing for a more responsive throttle and improved mid-range power delivery, particularly noticeable during acceleration and cruising. For riders seeking an even more aggressive sound, the system is paired with a **stainless steel or high-grade aluminum intake pipe**, which not only enhances the exhaust note with a sharper, more dynamic growl but also reduces backpressure, further boosting engine efficiency. Installation is straightforward, requiring only basic tools and minimal disassembly, as the **direct-fit design** eliminates the need for custom fabrication or complex modifications. Whether you re chasing a subtle performance boost or a more pronounced mechanical edge, the **Performance MN/9TK5 Air Intake Solution** delivers a refined upgrade that respects the Nighthawk s heritage while pushing its limits perfect for riders who demand both style and substance in their ride.

The **Performance MN/9TK5 Air Intake Solution** is a popular aftermarket upgrade for 1994 2007 Harley-Davidson Softail models, including the NX series. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Performance MN/9TK5 Air Intake Solution**

1. **Improved Airflow and Horsepower**

The MN/9TK5 system replaces the stock airbox with a more efficient design, reducing restriction and allowing better airflow into the engine. Many riders report noticeable gains in horsepower and torque, particularly in the mid-range RPM band. The system is designed to work well with stock engines and can complement other performance mods like exhaust upgrades.

2. **Better Throttle Response**

With less restriction, the engine breathes more freely, leading to quicker throttle response and a more linear power delivery. This can make the bike feel more engaging, especially during acceleration.

3. **Easier Installation**

Compared to some other aftermarket intake systems, the MN/9TK5 is relatively straightforward to install. It comes with all necessary components, including clamps, gaskets, and sometimes even a new air filter (though high-flow filters are often recommended for optimal performance). Installation typically requires basic tools and can be completed in a few hours.

4. **Compatibility with Stock and Modified Engines**

The system is designed to work seamlessly with the stock engine and can pair well with other performance upgrades, such as exhaust systems or camshafts. It s also compatible with both carbureted and early fuel-injected (pre-2007) Softails, though fuel-injected models may require additional tuning for best results.

5. **Aesthetic Appeal**

The MN/9TK5 system features a sleek, aggressive design that improves the bike s appearance. The black or matte finish options blend well with modern aftermarket parts, giving the bike a more customized look.

6. **Durability and Quality**

Performance MN is a well-regarded brand in the aftermarket community, known for producing high-quality, durable parts. The system is made from sturdy materials and is designed to withstand the demands of daily riding and performance use.

7. **Potential for Improved Fuel Efficiency (Mildly)**

While the primary goal is performance, some riders report slight improvements in fuel efficiency due to the engine running more efficiently with better airflow. This is not a significant gain but can be a minor perk.

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### **Cons of the Performance MN/9TK5 Air Intake Solution**

1. **Cost**

The MN/9TK5 system is not cheap, typically ranging between $200 and $300, depending on the specific configuration (e.g., with or without a high-flow filter). This can be a significant investment for riders on a budget, especially when considering that other performance mods (like exhausts or camshafts) may be needed to fully realize the benefits.

2. **Requires High-Flow Air Filter for Optimal Performance**

The stock filter that comes with the MN/9TK5 system is often not sufficient for maximizing airflow. To achieve the best performance gains, riders are usually advised to upgrade to a high-flow filter (e.g., K&N, Airaid, or Performance MN s own high-flow filter), which adds to the cost. These filters also require periodic cleaning or replacement to maintain performance.

3. **May Require Tuning for Fuel-Injected Models**

For fuel-injected Softails (2004 2007), the improved airflow can lead to a slightly richer mixture if the ECU isn t adjusted. While the gains are usually mild, some riders report a slight decrease in throttle response or fuel economy without a tune. A simple ECU flash or manual tuning can mitigate this, but it adds complexity and cost.

4. **Potential for Increased Engine Wear (If Not Used with Other Mods)**

While the MN/9TK5 system itself is not damaging, pairing it with a stock engine and exhaust may not yield significant power gains. To fully benefit from the intake, other performance mods (like an exhaust, camshaft, or headers) are often recommended. Without these, the gains may be modest, and the investment may feel less justified.

5. **Installation Can Be Messy**

While the system is relatively easy to install, the process involves removing the stock airbox, routing new hoses, and ensuring a proper seal. For riders who are not comfortable with mechanical work, this could be a drawback. Additionally, some riders report that the new airbox can be slightly larger or differently shaped than the stock unit, which may require adjustments to the bike s fairings or wiring harness.

6. **Noise Increase**

The MN/9TK5 system can make the engine sound slightly more aggressive, especially at higher RPMs. While this is a plus for some riders, others may find the increased noise level less desirable, particularly in urban or noise-restricted areas.

7. **Limited Customization Options**

The MN/9TK5 system comes in a few standard color options (e.g., black, matte black, or chrome), but there are limited choices for customization compared to other aftermarket brands. Riders looking for unique or highly customized looks may find the options restrictive.

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### **Conclusion**

The **Performance MN/9TK5 Air Intake Solution** is a solid choice for riders looking to improve airflow, throttle response, and horsepower on their 1994 2007 Harley-Davidson Softail NX. It offers a good balance of performance gains, ease of installation, and durability. However, it is not a "set-and-forget" mod it works best when paired with other performance upgrades and a high-flow air filter. The cost can be a barrier for some, and while the gains are noticeable, they may not be dramatic without additional mods.

For riders who prioritize better airflow, a more aggressive sound, and a slight power boost without a major overhaul, the MN/9TK5 is a worthwhile investment. Those on a tight budget or looking for more substantial power gains may want to consider pairing it with other mods like an exhaust system or camshaft.

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### **Recommendation**

If you are looking to upgrade your NX s intake system, the **Performance MN/9TK5 Air Intake Solution** is a reliable and effective choice. Here s how to approach it:

1. **Budget for Additional Upgrades**: If you plan to install the MN/9TK5, budget for a high-flow air filter (e.g., K&N or Airaid) to maximize airflow. If your bike is fuel-injected, consider a tune to optimize performance.

2. **Pair with Other Mods**: For the best results, pair the intake with an aftermarket exhaust system (e.g., Performance MN or Akrapovic) and consider a camshaft upgrade if you want more significant power gains.

3. **Install Properly**: If you re not comfortable with mechanical work, have a trusted mechanic or Harley shop install the system to ensure a proper seal and avoid leaks.

4. **Test and Adjust**: After installation, take the bike for a test ride to assess the changes in throttle response and power. Monitor fuel efficiency and adjust as needed, especially for fuel-injected models.

5. **Maintain the Filter**: High-flow filters require regular cleaning or replacement to maintain performance. Follow the manufacturer s recommendations for maintenance.

**Final Verdict**: The MN/9TK5 is a **highly recommended** upgrade for NX riders who want to improve airflow and power without a major engine rebuild. It s a practical choice for those who want a noticeable but not extreme performance boost. If you re serious about tuning your bike, it s a great starting point before moving on to more advanced mods.

Details:

Performance Machine Fast Air Intake Solution for 1994 - 2007 Harley Davidson nx: Status: In Stock.

part #: mn9tk5 price

  • $761.25

specifications intakefuelmotorcycle:

  • for makes: Harley, Davidson
  • for years: 1994-2007
  • brand: Performance Machine
  • mpn: Mn/9tk5
  • color: Chrome
  • compatible year: 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995
  • compatible make: Harley Davidson
  • compatible model: Flhr Road King
  • bundle description: 1 Pc Genuine Performance Machine Fast Air Intake Solution
  • type: Fast Air Intake Solution
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

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  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
for makes: harley, davidson, for years: 1994-2007, compatible year: 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995, compatible make: harley davidson, compatible model: flhr road king, bundle description: 1 pc genuine performance machine fast air intake solution, type: fast air intake solution, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, color: chrome, sku: 22692703727066632,
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