When customizing your Harley-Davidson, picking the right exhaust system is key for improving both performance and style. Exhaust compatibility ensures smooth installation and optimal function. A Harley Exhaust Fitment Chart helps match exhausts to specific models, balancing performance, aesthetics, and potential installation challenges for the best outcome.
Harley Exhaust Fitment Chart
Harley Sports
| Model | Exhaust Type | Muffler Type |
| Nightster Special | 2-into-1 | Inside Header |
| Sportster S | 2-1-2 | Inside Muffler |
| Nightster | 2-into-1 | Inside Header |
Harley American Grand Touring
| Model | Exhaust Type | Muffler Type |
| Street Glide Special | 2-1-2 | Tapered mufflers |
| Street Glide ST | Dual exhaust (crossover) | NA |
| CVO Road Glide Limited | Dual exhaust (crossover) | NA |
| Road Glide Special | 2-1-2 | Tapered mufflers |
| Road King Special | 2-1-2 | Tapered mufflers |
| Ultra Limited | 2-1-2 | Tapered mufflers |
| Road Glide ST | Dual exhaust (crossover) | NA |
| Road Glide Limited | 2-1-2, 4 | Tapered mufflers |
| Road Glide | 2-1-2 | Tapered mufflers |
| Street Glide | 2-1-2 | Tapered mufflers |
| Electra Glide Highway King | 2-1-2 | Tapered mufflers |
Harley Cruiser
| Model | Exhaust Type | Muffler Type |
| Softail Standard | 2-into-2 | Offset shotgun with catalyst inside the muffler |
| Heritage Classic | 2-into-2 | Shorty Dual with Catalyst inside muffler |
| Breakout 117 | 2-into-2 | Offset shotgun with catalyst inside the muffler |
| Low Rider ST | 2-into-2 | Offset shotgun with the catalyst inside the muffler |
| Fat Bob 114 | 2-into-2 | 2-into-2, Shorty Dual with Catalyst inside muffler |
| Lowrider S | 2-into-2 | Offset shotgun with catalyst inside muffler |
| Fat Boy 114 | 2-into-2 | Staggered with the catalyst inside the muffler |
| Street Bob 114 | 2-into-2 | Offset shotgun with catalyst inside the muffler |
Harley Adventure Touring
| Model | Exhaust Type | Muffler Type |
| Pan America 1250 | 2-1-1 | Catalyst inside Header |
| PAN America 1250 Special | 2-1-1 | Catalyst inside Header |
Why Choosing the Right Exhaust Matters
Selecting the right exhaust system isn’t just about the sound – it can impact your bike’s performance, fuel efficiency, and longevity. A well-matched exhaust can boost torque and horsepower, giving your Harley more power on the road. However, increasing performance often means tweaking other aspects of the bike, like fuel management systems, to maintain engine health.
Beyond performance, the right exhaust can improve fuel efficiency by allowing the engine to breathe better. Yet, not every exhaust system will achieve this, and some may even require further adjustments to prevent strain on the engine.
Aesthetically, exhausts play a big role in personalizing your bike. While a stylish system can make your Harley stand out, it’s important to balance looks with practicality. Some visually appealing options may not deliver the desired performance gains or could create fitment issues.
In choosing an exhaust, you need to weigh performance benefits, fuel efficiency, and aesthetics. The Harley Exhaust Fitment Chart is an essential tool to guide your decision, ensuring you select an exhaust that fits your model while considering the impact on overall performance and longevity.
Top Tips for Choosing the Best Exhaust for Your Harley
Choosing the perfect exhaust for your Harley can be overwhelming, but keeping a few key factors in mind can simplify the process. First, balance performance and aesthetics. While a sleek exhaust may look great, make sure it enhances your bike’s power and efficiency. Performance-focused systems can boost torque and horsepower, but they may not always offer the same visual appeal, so it’s important to find the right mix.
Next, consider your riding style. If you’re a long-distance rider, you’ll want an exhaust that offers better fuel efficiency and smooth power delivery. On the other hand, city riders may prioritize an exhaust with quicker throttle response and a bold sound, but these often require frequent tuning to maintain engine performance.
Lastly, match the exhaust to how you ride. If you prefer a quieter ride, opt for an exhaust with better noise control, but this may limit the power output. For those who want that iconic Harley roar, a louder exhaust can make a statement, but it might not be ideal for everyday riding.
By considering these trade-offs and using the Harley Exhaust Fitment Chart, you can ensure that your choice complements both your bike and your riding needs, without sacrificing performance or style.
FAQs
Can I install any exhaust system on my Harley, or does it have to match my model?
Answer: Not all exhaust systems fit every Harley model. It’s important to use a Harley Exhaust Fitment Chart to ensure compatibility. Exhaust systems are designed with specific models in mind, considering factors like frame size, engine type, and performance needs. Installing an incompatible exhaust could cause performance issues or even damage the bike.
Will upgrading my Harley’s exhaust improve performance?
Answer: Yes, upgrading your exhaust can boost performance by increasing torque and horsepower. A free-flowing exhaust helps the engine “breathe” better, leading to improved combustion efficiency. However, to maximize performance gains, you may need to make additional adjustments, like tuning the fuel management system.
Is a louder exhaust always better for my Harley?
Answer: A louder exhaust gives your Harley that iconic roar, but it doesn’t necessarily mean better performance. In some cases, a very loud exhaust may create issues with backpressure, which can negatively affect the engine performance. Additionally, noise regulations in certain areas may limit your exhaust options, so it’s crucial to find a balance between sound and functionality.