HARLEY DAVIDSON 80404-01 Muffler Exhaust Slash Heat Shield

( Brand: Harley Davidson ), ( Manufacturer Part Number: 80404-01 ), ( Placement On Vehicle: Exhaust ), ( Type: Muffler ), ( Country Of Origin: United States )

Review HARLEY DAVIDSON Wide Muffler Exhaust Slash Cut Heat Shield fits DYNA GLIDE

The **Harley-Davidson 80404-01 Dyna Glide Muffler/Exhaust Slash Heat Shield** is a meticulously engineered component designed to elevate both the performance and aesthetic appeal of the iconic Harley-Davidson Dyna Glide lineup. Crafted from high-quality, durable materials, this exhaust system combines precision engineering with Harley-Davidson s signature rugged styling to deliver an unmistakable blend of power and presence. The muffler features a robust, polished stainless steel construction, ensuring resistance to corrosion and maintaining a sleek, reflective finish that complements the bike s aggressive yet refined design. Its streamlined shape not only enhances the Dyna Glide s aggressive stance but also optimizes airflow for improved exhaust efficiency, allowing for a deeper, more resonant growl that resonates with the bike s powerful V-twin engine.

At the heart of this exhaust system is the **Slash Heat Shield**, a cleverly designed component that serves both functional and stylistic purposes. Engineered to protect the surrounding frame and components from excessive heat, the heat shield is crafted from heat-resistant materials that dissipate thermal energy effectively while maintaining structural integrity. Its angular, aggressive cutouts and sharp edges contribute to the Dyna Glide s bold, custom-inspired look, reinforcing the bike s reputation as a machine built for both the open road and the track. The heat shield s placement ensures it remains unobtrusive yet highly effective, safeguarding critical areas without compromising the bike s aerodynamic profile.

For enthusiasts who demand both performance and personality, the **80404-01 Dyna Glide Muffler/Exhaust Slash Heat Shield** offers a seamless integration of form and function. Whether cruising down a scenic highway or navigating tight corners, this exhaust system ensures that every rev of the engine is accompanied by a commanding, throaty exhaust note that turns heads. The attention to detail in its construction from the precision-welded seams to the polished, mirror-like finish reflects Harley-Davidson s commitment to quality, ensuring that this component not only enhances the bike s performance but also stands as a testament to its timeless design philosophy. Ideal for riders who seek a balance between raw power and refined aesthetics, this exhaust system is a must-have upgrade for those looking to amplify their Dyna Glide s presence on the road.

### **Pros and Cons of buying a Harley-Davidson 80404-01 Dyna Glide Muffler/Exhaust/Heat Shield**

1. **OEM Quality and Fitment** This is a genuine Harley-Davidson part, meaning it is designed specifically for the Dyna Glide models (typically the 2011 2018 versions). It ensures a perfect fit without modifications, reducing the risk of leaks or improper installation.

2. **Enhanced Performance and Sound** The exhaust system contributes to the motorcycle s power delivery by optimizing airflow and backpressure. While not a high-performance upgrade, it maintains the stock sound profile, which many Harley riders prefer for its deep, growling tone.

3. **Durability and Longevity** Harley-Davidson exhaust components are built to last, often outlasting aftermarket alternatives, especially if properly maintained. The heat shield helps protect surrounding components from excessive heat.

4. **Resale Value** Keeping OEM parts can help maintain the motorcycle s value if you plan to sell it in the future. Aftermarket exhausts may not be as desirable to all buyers.

5. **Simplified Maintenance** Since it s a stock part, finding mechanics familiar with it is easier, and replacement or repairs are straightforward.

6. **No Modification Restrictions** Unlike some aftermarket exhausts that may void warranties or require additional modifications (e.g., catalytic converter removal), this part is fully compliant with emissions and legal standards in most regions.

7. **Aesthetic Consistency** The stock exhaust maintains the motorcycle s original look, which is important for riders who prioritize classic styling over customization.

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1. **Limited Sound Customization** If you prefer a louder, more aggressive exhaust note, this part will not provide that. Aftermarket exhausts (e.g., Akrapovi , Magna, or Harley s own "Sport" exhausts) offer more varied sound profiles.

2. **Higher Upfront Cost** Genuine Harley parts are more expensive than many aftermarket alternatives. For example, a complete exhaust system from a third-party manufacturer may cost significantly less while offering similar performance.

3. **Weight** Stock exhaust systems are heavier than some lightweight aftermarket options. While not a major drawback for most riders, it may be noticeable in terms of handling or fuel efficiency.

4. **Less Styling Flexibility** If you want a custom look (e.g., polished, painted, or unique finishes), aftermarket exhausts often provide more design options, including different tip styles and materials.

5. **Potential for Wear Over Time** Like all exhaust systems, this part will eventually wear out, especially if the motorcycle is ridden aggressively or in harsh conditions. Replacement costs will add up over time.

6. **No Performance Gains** Unlike some aftermarket exhausts that claim to improve horsepower or torque, this is a stock part and will not provide any meaningful performance upgrades.

7. **Limited Availability for Older Models** While this part fits the Dyna Glide from 2011 2018, Harley occasionally discontinues or updates parts, which could make future replacements harder to source.

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The **Harley-Davidson 80404-01 Dyna Glide muffler/exhaust/heat shield** is a reliable, high-quality choice for riders who prioritize **fitment, durability, and stock aesthetics** over sound customization or performance gains. It is ideal if you:

- Want to maintain your motorcycle s original specifications.

- Prefer the stock sound and appearance.

- Plan to keep the bike long-term or sell it without major modifications.

- Value OEM support and ease of maintenance.

However, if you are looking to **customize your bike s sound, improve performance, or save money**, an aftermarket exhaust system might be a better option. Aftermarket parts often offer **better sound profiles, lighter weight, and more styling choices** at a lower cost, though they may require additional modifications (e.g., catalytic converter deletion) depending on local laws.

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- You want a hassle-free, guaranteed fit.

- You dislike the idea of modifying your bike.

- You prioritize longevity and resale value over sound or performance.

- You want a louder, more aggressive sound (e.g., Harley s "Sport" exhaust or brands like Akrapovi ).

- You re on a budget and want to save money without sacrificing quality.

- You plan to customize your bike further (e.g., adding a chopper exhaust or performance upgrades).

For most riders who want **a balance of reliability and slight customization**, a **mid-range aftermarket exhaust** (e.g., Harley s own "Sport" exhaust or a reputable brand like **Magna or Dyno Audi**) could be a worthwhile compromise offering better sound and style at a lower cost than full OEM replacements. However, if you re happy with the stock setup, the **80404-01 is a solid, no-frills choice**.

Details:

Originally off of a 2002. Good preowned condition. OEM muffler with heat shield.

part #: 8040401 price

• $150.00

specifications cyclemufflermo:

• for models: Dyna, Glide
• for makes: Harley
• brand: Harley Davidson
• mpn: 80404-01
• placement on vehicle: Exhaust
• type: Muffler
• country of origin: United States

shipping cyclemufflermo:

• service: USPS Ground Advantage
• type: Calculated
• transit: 5-10 Days
• cost: $21.01
• class: Standard
• carrier: USPS

returns cyclemufflermo:

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

offer cyclemufflermo:

• availability: In Stock
• started: June 6, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

payments cyclemufflermo:

• credit card: Visa
• wallet: Paypal
• other

seller cyclemufflermo:

• # reviews: 1853
• rating: 100.0%
• city: La Mesa, California

general cyclemufflermo:

• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles
• condition: Used

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