BMW 5A788F9 Exhaust

( Manufacturer Part Number: 5A788F9 ), ( Mounting Style: Slip-on ), ( Type: Muffler ), ( Machine Type: Street Motorcycle ), ( Features: Dual Exit ), ( Universal Fitment: No ), ( Placement On Vehicle: Exhaust )

Review BMW Oem Stock Exhaust fits R1300RS

The BMW R 1300 RS, a masterpiece of German engineering and timeless motorcycle design, is a machine that seamlessly blends raw performance with refined elegance, and its exhaust system is no exception. Crafted with meticulous attention to detail, the **BMW 5A788F R 1300 RS exhaust** is a high-performance aftermarket upgrade designed to elevate the already legendary riding experience of this iconic bike. Built from premium-grade stainless steel, this exhaust system is engineered to withstand the rigorous demands of high-speed riding while maintaining structural integrity and resistance to corrosion, ensuring longevity even under the most challenging conditions. The design retains the classic, aggressive aesthetic of the R 1300 RS, with a sleek, low-profile construction that complements the bike s aggressive stance and aerodynamic lines. The exhaust features a polished finish, offering a striking contrast against the matte or painted surfaces of the motorcycle, while the precise fitment ensures a seamless integration with the factory mounting points, eliminating any unsightly gaps or misalignments. Under the hood, this exhaust system delivers a dramatic improvement in exhaust flow, allowing the twin-cylinder engine to breathe more freely and unlock a significant boost in power and torque. The result is a more responsive throttle, a deeper, more engaging exhaust note, and an overall more exhilarating ride, particularly noticeable during spirited acceleration and high-revving maneuvers. Whether cruising along a scenic coastal highway or carving through tight corners on a winding mountain road, the R 1300 RS exhaust enhances the bike s already impressive performance, making every ride feel more dynamic and connected. For enthusiasts who appreciate both the artistry of motorcycle design and the thrill of performance, this exhaust system is an essential upgrade a perfect fusion of style and substance that honors the spirit of the BMW R 1300 RS while pushing its capabilities to new heights.

### **Pros and Cons of Buying a BMW R 1300 RS (R1300RS) with a Modified Exhaust (e.g., 5A788F9)**

#### **Pros**

1. **Enhanced Sound**

The stock exhaust on the BMW R 1300 RS is relatively quiet, designed for comfort rather than performance. A modified exhaust (such as the 5A788F9) significantly deepens and sharpens the tone, giving the bike a more aggressive, sporty exhaust note. This is a major selling point for riders who prioritize sound over discretion.

2. **Improved Performance (Mild)**

While the impact on power is minimal (typically a few horsepower at best), a well-designed exhaust system can improve airflow, leading to slight gains in mid-range torque. Some aftermarket exhausts are tuned to optimize exhaust gas flow, which may contribute to better throttle response.

3. **Aesthetic Appeal**

A modified exhaust often looks more aggressive and custom, aligning with the bike s sporty heritage. The R 1300 RS is already a desirable classic, and an upgraded exhaust can enhance its visual appeal, making it stand out in a crowd.

4. **Compatibility with Other Mods**

If you plan to further modify the bike (e.g., air intake, ECU tuning, or performance parts), a modified exhaust can integrate better with these upgrades. Some exhaust systems are designed to work seamlessly with other aftermarket components.

5. **Resale Value (If Well-Maintained)**

While not a significant factor, a bike with a well-installed, high-quality exhaust may attract buyers who appreciate customization. However, this is highly dependent on the market and the bike s overall condition.

6. **Easier Maintenance Access**

Some aftermarket exhausts are designed with improved accessibility for maintenance, such as easier muffler removal or better heat shielding for the exhaust headers.

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#### **Cons**

1. **Minimal Power Gains**

The R 1300 RS is already a well-tuned motorcycle, and the exhaust system contributes very little to overall power output. Most riders will not notice a significant difference in speed or acceleration. The gains are more about perception than performance.

2. **Noise Regulations**

Many regions have strict noise laws for motorcycles. A heavily modified exhaust may exceed legal limits, leading to fines or the need for additional sound-dampening components. Always check local regulations before installing a loud exhaust.

3. **Potential for Poor Quality or Installation Issues**

Not all aftermarket exhausts are created equal. Cheap or poorly installed exhausts can lead to leaks, rattling, or even damage to the bike s undercarriage. A poorly fitted exhaust may also interfere with the bike s suspension or brakes.

4. **Weight Addition**

Most aftermarket exhausts are heavier than the stock system, which can slightly reduce handling agility. While the difference is negligible for most riders, it s worth considering if you prioritize lightweight performance.

5. **Maintenance and Durability Concerns**

High-performance exhausts may wear out faster due to increased heat and stress. Some riders report issues with muffler cracks or header leaks over time, requiring additional maintenance.

6. **Stock Exhaust Already Decent**

The R 1300 RS s stock exhaust is durable and performs adequately for most riders. Unless you re specifically after a louder, sportier sound, the stock system may suffice without the hassle of modifications.

7. **Cost**

A quality aftermarket exhaust system can cost between $500 and $1,500 or more, depending on the brand and materials. This is a significant investment for a bike that may not see substantial performance benefits.

8. **Potential for Voiding Warranty**

If the bike is still under warranty, installing an aftermarket exhaust could void coverage, especially if the manufacturer considers it a "non-OEM" modification.

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### **Conclusion**

Buying a BMW R 1300 RS with a modified exhaust (such as the 5A788F9) is primarily about enhancing the riding experience through sound and aesthetics rather than performance. The pros better sound, slight performance tweaks, and visual appeal are appealing to enthusiasts who want a more engaging ride. However, the cons minimal power gains, noise regulations, potential quality issues, and cost must be carefully weighed.

If you re a rider who values the thrill of a louder, more aggressive exhaust note and doesn t mind the extra noise or maintenance considerations, a modified exhaust can be a worthwhile upgrade. On the other hand, if you prefer a quieter, more practical ride and don t need the aesthetic or sound changes, the stock exhaust may be sufficient.

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### **Recommendation**

- You prioritize sound and aesthetics over raw performance.

- You ve researched the exhaust system thoroughly (brand reputation, installation quality, and compatibility).

- You re prepared for potential noise restrictions and maintenance.

- You plan to pair it with other mods (e.g., intake, ECU tuning) for a cohesive upgrade package.

- You value discretion and compliance with noise laws.

- You re on a budget and don t want unnecessary expenses.

- You re satisfied with the bike s stock performance and sound.

- You plan to keep the bike long-term without further modifications.

For the best results, opt for a reputable aftermarket brand (e.g., Akrapovi , BOSCH, or BMW-approved aftermarket parts) and have the installation done by a professional. Always ensure the exhaust meets local legal requirements to avoid complications.

Details:

If you're looking to replace a damaged component or restore the OEM original equipment this exhaust has less than 500 miles of use and is in pristine condition. The BMW R1300RS OEM stock Exhaust is a high-quality muffler designed specifically for the new. With a slip-on mounting and dual exit design, this exhaust system offers compact performance-enhancing option for the BMW R1300RS.

part #: 5a788f9 price

• $349.00

specifications cyclemufflermo:

• for models: R1300rs
• for makes: Bmw
• mpn: 5a788f9
• mounting style: Slip-on
• type: Muffler
• machine type: Street Motorcycle
• features: Dual Exit
• universal fitment: No
• placement on vehicle: Exhaust

seller cyclemufflermo:

• city: San Diego, California
• # reviews: 195
• rating: 100.0%

payments cyclemufflermo:

• other
• wallet: Apple-pay
• credit card: Diners-club

returns cyclemufflermo:

• policy: No Returns

general cyclemufflermo:

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

shipping cyclemufflermo:

• carrier: UPS
• cost: $41.05
• service: UPS Ground
• class: Standard
• type: Calculated
• transit: 5-11 Days

offer cyclemufflermo:

• quantity: 1
• sold: 0
• started: February 21, 2026
• options: Ship-to-home
• availability: In Stock
• best offers: True

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