HARLEY-DAVIDSON 48587 Exhaust Muffler Heat Slip On

( Brand: Harley-davidson ), ( Manufacturer Part Number: 48587 ), ( Mounting Style: Slip-on ), ( Shape: Round Straight ), ( Machine Type: Street Motorcycle ), ( Color: Chrome ), ( Outlet Diameter: 3.5 ), ( Item Diameter: 3-1/2 ), ( Material: Stainless Steel ), ( Muffler Type: Combination ), ( Vintage Part: No ), ( Placement On Vehicle: Exhaust ), ( Type: Muffler ), ( Unit Type: Unit ), ( Oe/oem Part Number: 64900458 ), ( Manufacturer Warranty: 1 Month ), ( Features: Easy To Replace ), ( Country Of Origin: United States )

Review HARLEY DAVIDSON Oem Exhaust Slip On Mufflers Heat Shields fits STREET BOB FAT BOY 1926–2018

The **Harley-Davidson 48587 18-26 Street Bob Fat Boy Slip-On Exhaust Slip Mufflers with Heat** is a meticulously engineered aftermarket upgrade designed to enhance both the performance and aesthetic appeal of Harley-Davidson s iconic **2018 2026 Street Bob and Fat Boy** models equipped with the **Evo Cat ** or **Evo Air ** engines. Crafted from high-quality **409 stainless steel**, these slip-on mufflers are built to withstand the rigors of daily riding while delivering a deep, resonant exhaust note that accentuates the raw power and character of your bike. The **slip-on design** ensures a seamless installation, eliminating the need for complex modifications or welding, making it an ideal choice for riders who want to improve their exhaust system without compromising the factory s structural integrity. The **heat shields** are strategically placed to protect surrounding components from excessive heat buildup, ensuring longevity for both the mufflers and your bike s undercarriage. Beyond functionality, these mufflers feature a **bold, aggressive styling** that complements the aggressive stance of the Street Bob and Fat Boy, with a **dual-tone finish** that blends sleek black accents with polished stainless steel for a modern, custom look. Whether you re cruising down the highway or carving through twisty backroads, the **48587 exhaust system** transforms your ride into a more dynamic and visually striking experience, delivering a perfect balance of performance, durability, and Harley-Davidson heritage.

### **Pros and Cons of Buying Harley-Davidson 48587 18-26 Street Bob Fat Boy Exhaust Slip Mufflers with Heat**

1. **Enhanced Sound and Performance** The slip-on mufflers are designed to improve exhaust flow, which can increase horsepower and torque slightly while delivering a deeper, more aggressive growl. The added heat feature enhances the sound further, making the bike more distinctive.

2. **Aesthetic Appeal** These mufflers are styled to match the aggressive, custom look of the Fat Boy and Street Bob, giving the bike a more personalized and eye-catching appearance. The heat feature adds a subtle visual cue of warmth, which some riders appreciate.

3. **Ease of Installation** As slip-on mufflers, they are relatively straightforward to install compared to full exhaust systems. No welding or major modifications are typically required, making them a convenient upgrade for DIY enthusiasts.

4. **Compatibility** These mufflers are specifically designed for the Harley-Davidson Fat Boy and Street Bob models, ensuring a proper fit without the need for adapters or modifications.

5. **Aftermarket Support** Harley-Davidson s aftermarket parts are widely available, and these mufflers are backed by the brand, meaning they should be reliable and supported by dealers or Harley service centers.

6. **Sound Customization** The heat feature allows riders to adjust the exhaust note slightly, offering a balance between a smooth, deep tone and a more aggressive growl, depending on preference.

7. **Durability** Harley-Davidson parts are generally built to last, and these mufflers are designed to withstand the demands of a cruiser bike s exhaust system.

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1. **Cost** As an aftermarket or upgraded part, these mufflers are more expensive than OEM exhaust systems. The price may be a significant investment, especially if the bike is not yet heavily customized.

2. **Potential Noise Complaints** While the sound is enhanced, some riders or local regulations may consider the exhaust tone too loud, leading to potential noise complaints or legal issues in certain areas.

3. **Maintenance Requirements** The heat feature may require occasional cleaning or maintenance to ensure the mufflers continue to function optimally and maintain their appearance.

4. **Resale Impact** If the bike is sold in the future, heavily customized exhaust systems (especially aftermarket ones) may deter buyers who prefer stock or more subtle modifications.

5. **Weight Addition** While not significant, the added weight of aftermarket mufflers could slightly affect the bike s handling, though this is usually negligible on a heavy cruiser like the Fat Boy.

6. **Potential for Rust or Corrosion** If not properly maintained, aftermarket exhaust components can be prone to rust, especially in wet or salty climates. Harley-Davidson parts are generally durable, but this is still a consideration.

7. **Limited Sound Adjustability** Unlike some aftermarket exhaust systems with multiple tone options, these mufflers offer a fixed sound profile with the heat feature. Riders who want drastic sound changes may need to explore other options.

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The Harley-Davidson 48587 18-26 Street Bob Fat Boy Exhaust Slip Mufflers with Heat are a solid choice for riders looking to enhance their bike s sound and appearance without a full exhaust swap. They offer a balance of performance, aesthetics, and ease of installation, making them ideal for those who want a noticeable upgrade without major modifications. However, the cost, potential noise concerns, and maintenance requirements should be carefully considered before purchasing.

If you prioritize a deeper, more aggressive sound and don t mind the added expense or potential noise restrictions, these mufflers are a worthwhile investment. For riders who prefer a more subtle upgrade or are concerned about resale value, a less aggressive exhaust system or stock mufflers might be a better fit.

If you are a Harley enthusiast who enjoys customizing your bike and doesn t mind the added cost or noise, **proceed with purchasing these mufflers**. They will significantly improve the sound and look of your Fat Boy or Street Bob. However, if you are on a budget, prefer a quieter ride, or plan to sell the bike soon, consider alternative upgrades like a mild aftermarket exhaust system or performance mufflers without the heat feature. Always check local noise regulations before making the purchase to avoid any legal issues.

Details:

Chrome w/ Shields. If you do not See it in the photos, Then is included. 18-26 M8 model's. This item is Real Genuine Parts, Not cheap China B.S.

Please List Proper Reason for Return If you overlook Something or do not read the Good. This comes as you see it in pics. Softail M8 Exhausts. I will certainly be glad to help If can.

Great Condition. Most Of The Stuff I Sell Is Used And It All Can Not Be Perfect. Fanboy, Street Bob, Low rider, Breakout. PICS SPEAK FOR their self's.

Softail, standard, and Softail slim. Softail model's. Genuine Harley Davidson.

part #: 48587 prices

• $79.95-$290.81

specifications cyclemufflermo:

• for models: Street, Bob, Fat, Boy
• for makes: Harley
• for years: 1926-2018
• brand: Harley-davidson
• mpn: 48587
• mounting style: Slip-on
• shape: Round Straight
• machine type: Street Motorcycle
• color: Chrome
• outlet diameter: 3.5
• item diameter: 3-1/2
• material: Stainless Steel
• muffler type: Combination
• vintage part: No
• placement on vehicle: Exhaust
• type: Muffler
• unit type: Unit
• oe/oem part number: 64900458
• manufacturer warranty: 1 Month
• features: Easy To Replace
• country of origin: United States

shipping cyclemufflermo:

• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $29.95
• type: Fixed
• transit: 3-7 Days
• carrier: FedEx

offer cyclemufflermo:

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

payments cyclemufflermo:

• wallet: Paypal
• other
• credit card: Diners-club

seller cyclemufflermo:

• rating: 99.7%
• city: North Wilkesboro, North Carolina
• # reviews: 37368

returns cyclemufflermo:

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

general cyclemufflermo:

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

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