1. Motorcycle Intake & Fuel Systems Deals
  2. sku: 22688215498654633
  3. PERFORMANCE MACHINE MN/90RX

PERFORMANCE MACHINE MN-90RX Air Intake Solution MN/90RX

fits make: Harley, Davidson. year: 1993–2015.

90rx Performance Machine Mn/90rx Fast Air Intake Solution For 1993-2015 Harley Davidson Bl

( Brand: Performance Machine ), ( Manufacturer Part Number: MN/90RX ), ( Color: Chrome ), ( Compatible Year: 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flstc Heritage Softail Classic ), ( 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/90rx Fast Air Intake Solution Harley Davidson Bl fits 1993–2015

The **Performance MN/90RX Air Intake Solution** is a meticulously engineered aftermarket upgrade designed to transform the breathing efficiency of Harley-Davidson engines spanning the 1993 through 2015 model years, including both V-Twin and V-Rod platforms. Crafted from high-grade, cold-forged aluminum with precision-machined components, this intake system replaces the restrictive stock airbox and intake manifold, delivering a substantial increase in airflow while maintaining optimal filtration and pressure regulation. The 90RX designation signifies a carefully balanced approach, offering a moderate power boost without the aggressive throat of a full race intake ideal for street riders seeking enhanced throttle response, smoother power delivery, and a more engaging exhaust note. The intake features a high-flow, multi-stage air filter housed in a durable, vibration-dampened housing, ensuring consistent airflow while protecting internal components from debris. Integrated with a high-performance throttle body and a precisely tuned air restrictor, this system eliminates the "choke" effect of stock setups, allowing the engine to breathe more freely under both low and high-RPM conditions. Installation is straightforward, requiring minimal modification to existing wiring or mounting points, and is compatible with a wide range of Harley-Davidson models, including the V-Rod (2004 2017), Evolution (1984 2003), and Twin Cam (2000 2015) engines. Beyond performance gains, the MN/90RX intake also enhances the riding experience by reducing turbo lag (where applicable) and improving fuel atomization for cleaner combustion. Whether paired with a mild tune or left as a standalone upgrade, this intake solution delivers measurable horsepower and torque increases while preserving reliability and durability making it a standout choice for enthusiasts looking to unlock their Harley s full potential without compromising on practicality or aesthetics.

The **Performance MN/90RX Air Intake Solution** is a popular aftermarket intake system designed to improve airflow and throttle response in Harley-Davidson engines from 1993 to 2015. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### **Pros of the Performance MN/90RX Air Intake Solution**

1. **Improved Airflow and Throttle Response**

The intake system is designed to reduce restriction in the airbox, allowing more air to enter the engine. This can result in quicker throttle response, especially noticeable during acceleration from low RPMs.

2. **Enhanced Engine Sound**

The intake produces a deeper, more aggressive air intake noise, which many riders appreciate for its sportier tone. The sound is often described as more "open" and less muffled compared to stock intakes.

3. **Easy Installation**

The kit is designed for straightforward installation, typically requiring only basic tools. It replaces the stock airbox and intake tube with a more efficient setup, often taking less than an hour for experienced riders.

4. **Compatibility with Various Modifications**

The MN/90RX intake works well with other performance upgrades, such as cold air intakes, high-flow filters, or exhaust systems, allowing for further tuning potential.

5. **Lightweight Construction**

The intake is made from lightweight materials, reducing overall weight compared to stock components, which can slightly improve handling dynamics.

6. **Positive Feedback from Riders**

Many Harley owners report noticeable improvements in power delivery, especially in mid-range RPMs, and a more engaging driving experience.

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### **Cons of the Performance MN/90RX Air Intake Solution**

1. **Limited Power Gains**

While the intake improves airflow, the gains in horsepower and torque are modest typically in the range of **5-10 horsepower** and **10-15 lb-ft of torque**, depending on the engine and other modifications. For most stock or lightly modified Harleys, the increase may not be dramatic.

2. **Requires Tuning for Optimal Performance**

Since the intake increases airflow without altering fuel delivery, it can lead to a slightly leaner mixture at idle or low RPMs. This may cause rough idling or hesitation unless the engine is tuned (via a chip or manual adjustments).

3. **Potential for Increased Heat Soak**

A more open intake can draw in hotter air from under the bike, especially in stop-and-go traffic. This can reduce efficiency and may require additional cooling solutions if paired with other heat-intensive mods.

4. **Aesthetic Differences**

The intake has a distinct look that may not appeal to riders who prefer a stock or more aggressive appearance. Some find the design less aggressive than aftermarket alternatives like the **Dyno Dog or K&N intakes**.

5. **Noise Levels**

While many riders enjoy the deeper intake noise, others may find it too loud, especially in urban or residential areas where noise restrictions apply.

6. **Durability Concerns**

Some users report that the plastic components (such as the airbox) may degrade over time under extreme heat or UV exposure, though this is not universal.

7. **Not a Standalone Power Mod**

The intake is best paired with other performance upgrades (e.g., exhaust, fuel system modifications) to see meaningful gains. Alone, it may not justify the cost for casual riders.

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### **Conclusion**

The **Performance MN/90RX Air Intake Solution** is a solid choice for Harley-Davidson riders looking to enhance throttle response, improve airflow, and add a sportier intake sound. It is relatively easy to install and works well with other modifications, making it a versatile upgrade. However, the power gains are modest, and it may require tuning to avoid lean-running issues. If you prioritize improved airflow and a more engaging ride without drastic power increases, this intake is worth considering. For those seeking significant horsepower gains, pairing it with an exhaust system, fuel injection upgrade, or ECU tune would be advisable.

### **Recommendation**

- **Buy it if:** You want a noticeable improvement in throttle response, a deeper intake sound, and a relatively simple upgrade that complements other mods. It s ideal for riders who already have or plan to add an exhaust system or fuel system upgrades.

- **Skip it if:** You re on a tight budget, expect dramatic power gains, or prefer a more aggressive-looking intake system. In that case, alternatives like the **Dyno Dog or K&N intakes** might be worth exploring.

- **Best paired with:** A high-flow air filter (e.g., K&N, K&N Performance), a performance exhaust, and an ECU tune (if available) to maximize benefits.

For most riders, the **MN/90RX is a worthwhile upgrade** especially when combined with other performance modifications but it should not be seen as a standalone power solution.

Details:

Performance Machine Fast Air Intake Solution for 1993 - 2015 Harley Davidson bl: Status: In Stock.

part #: mn90rx price

  • $761.25

specifications intakefuelmotorcycle:

  • for makes: Harley, Davidson
  • for years: 1993-2015
  • brand: Performance Machine
  • mpn: Mn/90rx
  • color: Chrome
  • compatible year: 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003
  • compatible make: Harley Davidson
  • compatible model: Flstc Heritage Softail Classic
  • 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

offer intakefuelmotorcycle:

  • started: February 28, 2026
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • sold: 0

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general intakefuelmotorcycle:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
  • condition: New
for makes: harley, davidson, for years: 1993-2015, compatible year: 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003, compatible make: harley davidson, compatible model: flstc heritage softail classic, 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: 22688215498654633,
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