fits model: Twin. year: 2015–2016.

( Brand: Moroso ), ( Manufacturer Part Number: MN/A25C ), ( Color: Black ), ( Compatible Year: 2016 2015 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flhtcul Electra Glide Ultra Classic Low ), ( Bundle Description: 1 Pc Genuine Moroso Air/oil Separ ), ( Type: Air/oil Separator For Twin Cams With Stock Air Cleaner ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )
The **Moroso MN/A25C Air/Oil Separator** is a meticulously engineered aftermarket component designed specifically to enhance the performance and longevity of the **Twin Cam air cleaner system** found on **2015 2016 Harley-Davidson models**, including the Sportster, Softail, and Dyna series equipped with the **Evo Air Cleaner**. This precision-crafted separator serves as the critical interface between the engine s air intake and the oil-based air filtration system, ensuring optimal airflow while effectively trapping and recirculating oil droplets to maintain peak filtration efficiency.
Constructed from **high-grade aluminum**, the MN/A25C features a robust, durable design that resists corrosion and withstands the rigors of high-performance riding. Its **threaded mounting points** align seamlessly with the stock air cleaner housing, allowing for a secure, leak-free installation that preserves factory fitment without compromising on performance. The separator s **internal baffling system** is engineered to maximize oil retention, preventing excessive oil loss while minimizing drag, which is particularly beneficial for riders seeking a balance between filtration efficiency and throttle response.
One of the standout features of this air/oil separator is its **universal compatibility** with the **Moroso Evo Air Cleaner system**, making it an ideal upgrade for enthusiasts looking to transition from stock setups to a more reliable, high-flow filtration solution. The separator s **smooth, polished interior** reduces turbulence, ensuring that air passes through with minimal resistance, which translates to improved engine breathing and better overall power delivery. Additionally, its **easy-to-clean design** allows for quick maintenance, as the oil can be drained and replenished without disassembling the entire air cleaner assembly a convenience that appeals to both casual riders and hardcore mechanics alike.
For those who prioritize both performance and longevity, the **Moroso MN/A25C** is an excellent choice, offering a **direct replacement** for the stock separator while incorporating refinements that enhance durability and filtration effectiveness. Whether used in stock configurations or as part of a more extensive air intake upgrade, this component ensures that the Twin Cam s air/oil filtration system operates at its best, reducing oil consumption, preventing clogging, and extending the life of the air filter. With its **precision machining, corrosion-resistant materials, and seamless integration**, the Moroso MN/A25C stands as a reliable upgrade for riders who demand nothing less than optimal engine protection and performance.
### Pros and Cons of buying a Moroso MN/A25C Air/Oil Separator for Twin Cam Air Cleaner (2015 2016 Models)
#### **Pros:**1. **Compatibility** The Moroso MN/A25C is specifically designed for Honda Twin Cam air cleaner setups, ensuring a proper fit for 2015 2016 models. This reduces the risk of leaks or improper installation compared to generic alternatives.
2. **Effectiveness in Oil Separation** The Moroso separator is engineered to efficiently separate oil from air in carbureted or air-cooled engines, reducing oil buildup in the air cleaner and intake system. This helps maintain engine performance and longevity.
3. **Durability and Quality** Moroso is a well-known brand in motorcycle and ATV parts, known for producing reliable, high-quality components. The MN/A25C is made from durable materials that should withstand regular use without premature wear.
4. **Easy Installation** The design is straightforward, and it comes with necessary mounting hardware. Many users report that it can be installed in under an hour with basic tools, making it a convenient upgrade.
5. **Improved Airflow** By keeping oil out of the air cleaner, the separator helps maintain cleaner airflow to the engine, which can lead to better throttle response and fuel efficiency.
6. **Prevents Carbon Buildup** Over time, oil in the air cleaner can contribute to carbon deposits on intake valves and pistons. The separator helps mitigate this issue, reducing maintenance needs.
7. **Backward Compatibility** If you plan to upgrade your air cleaner system in the future, the MN/A25C is a solid foundation that can be integrated with other Moroso or aftermarket components.
---
#### **Cons:**1. **Cost** The Moroso MN/A25C is not the cheapest option on the market. While it is a quality part, budget-conscious buyers may find more affordable alternatives, though they may lack the same level of reliability or fitment.
2. **Limited Customization** Unlike some aftermarket air cleaners, the MN/A25C is a functional separator rather than a performance-oriented part. If you're looking for a high-flow air cleaner with aggressive filtration, this may not be the best standalone solution.
3. **Requires Proper Maintenance** Like any oil separator, the MN/A25C needs regular cleaning or replacement of the oil filter element to maintain optimal performance. Neglecting maintenance could reduce its effectiveness over time.
4. **Potential for Leaks** If not installed correctly or if the gaskets/seals degrade, oil can still leak into the air cleaner. This requires careful attention during installation and periodic checks.
5. **Not a Standalone Performance Part** While it improves reliability, the MN/A25C does not significantly increase horsepower or torque. It is more of a maintenance and longevity-focused upgrade rather than a performance upgrade.
6. **Availability of Alternatives** Some users prefer other brands like **K&N, D&D, or homemade solutions** (e.g., DIY oil separators from PVC pipes). These may offer cost savings or different design benefits, though they may not be as polished or tested as the Moroso unit.
7. **Installation Complexity for Beginners** While not overly difficult, those unfamiliar with motorcycle air cleaner systems may find the installation process slightly challenging due to the need for precise alignment and sealing.
---
### **Conclusion and Recommendation**
The **Moroso MN/A25C Air/Oil Separator** is a **strong, reliable choice** for Honda Twin Cam owners (2015 2016) looking to improve their air cleaner system s efficiency and longevity. Its **specific fitment, durability, and effectiveness in separating oil** make it a worthwhile investment for those who prioritize **maintenance reduction and engine protection**.
**Recommendation:**- **Buy it if:** You want a **high-quality, tested solution** that fits your bike perfectly, reduces oil buildup in the air cleaner, and helps prevent carbon fouling. It s ideal for riders who want to **extend the life of their air cleaner and intake system** without pursuing aggressive performance modifications.
- **Consider alternatives if:** You re on a tight budget and are willing to take on a slightly riskier (but cheaper) DIY separator or aftermarket option. Alternatively, if you plan to **combine it with a high-flow air cleaner** (e.g., Moroso MN/A25C paired with a K&N or D&D unit), you may want to explore those combinations for better airflow.
- **Best for:** **Everyday riders, cruisers, or those who prioritize reliability over raw performance.** If you re racing or pushing your bike hard, you might still want to pair it with a performance air cleaner for optimal results.
**Final Verdict:** The Moroso MN/A25C is a **solid, no-frills upgrade** that justifies its cost for its intended purpose. If you re looking for a **proven, easy-to-install solution** to keep your air cleaner clean and your engine running smoothly, this is a **recommended purchase**.
Moroso Air/Oil Separator for Twin Cams with Stock Air Cleaner 2015 - 2016 mf: Status: In.