AGOSTINI AMGR11201 Moto Griso Muffler Slip

( Brand: Agostini ), ( Manufacturer Part Number: AMGR11201 ), ( Mounting Style: Slip-on ), ( Shape: Megaphone ), ( Machine Type: Street Motorcycle ), ( Color: Silver ), ( Material: Stainless Steel ), ( Muffler Type: Absorption ), ( Vintage Part: No ), ( Placement On Vehicle: Left, Rear ), ( Type: Muffler ), ( Features: Easy To Replace ), ( Finish: Polished ), ( Performance Part: Yes )

Review AGOSTINI Moto Griso Polished Stainless Slip on Muffler fits GUZZI 2007–2017

The **Agostini AMGR11201 2007 2017 Moto Guzzi Griso Slip-On Muffler** is a meticulously crafted aftermarket exhaust component designed to enhance both the performance and aesthetic appeal of the iconic Moto Guzzi Griso models produced between 2007 and 2017. Engineered with precision, this slip-on muffler replaces the stock exhaust system while maintaining full compatibility with the bike s existing piping and mounting points, ensuring a seamless integration that preserves the Griso s classic Italian heritage. Constructed from high-quality **304 stainless steel**, the muffler is built to withstand the rigors of daily riding, offering superior durability and resistance to corrosion, even in harsh environmental conditions. Its **dual-tone finish** a polished exterior with a matte black interior adds a touch of sophistication, blending modern style with the Griso s timeless design language. The muffler features a **flow-optimized chamber design**, which not only delivers a deeper, more resonant exhaust note but also improves engine efficiency by reducing backpressure, allowing the V-twin to breathe more freely. Whether cruising along scenic roads or navigating urban streets, the Agostini muffler elevates the Griso s voice, producing a rich, growling tone that accentuates the bike s legendary character. Backed by Agostini s reputation for quality and craftsmanship, this muffler is an ideal choice for riders seeking both performance upgrades and a refined aesthetic enhancement to their Moto Guzzi Griso.

The Agostini AMGR11201 slip-on muffler is designed to replace the stock exhaust system on the Moto Guzzi Griso (2007-2017 models), offering a balance between performance and aesthetics. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

1. **Sound Quality and Character** The Agostini muffler is known for producing a deep, resonant, and slightly aggressive exhaust note that retains the Moto Guzzi character while adding a touch of modernity. It avoids the overly harsh or tinny tones that some aftermarket exhausts can produce.

2. **Performance Improvements** The slip-on design maintains the original exhaust flow dynamics while slightly enhancing mid-range power delivery. This is particularly noticeable in throttle response and overall engine breathing, especially in the 6000-8000 RPM range.

3. **Aesthetic Appeal** The muffler features a sleek, polished finish with a distinctive black or chrome (depending on the model) appearance that complements the Griso s retro-modern styling. It also includes a high-quality exhaust tip that looks more refined than the stock unit.

4. **Compatibility and Ease of Installation** As a direct replacement slip-on, it fits seamlessly onto the existing exhaust headers without requiring modifications to the frame or mounting points. Installation is relatively straightforward for those with basic mechanical skills, though some may prefer professional help for a perfect fit.

5. **Durability and Quality** Agostini is a reputable brand known for high-quality materials and craftsmanship. The muffler is built to last, with a robust construction that can withstand daily riding conditions without excessive corrosion or wear.

6. **Legal Compliance (In Many Regions)** Unlike some aftermarket exhausts that may exceed noise regulations, the Agostini AMGR11201 is designed to meet or come close to legal decibel limits in many countries, making it a practical choice for street-legal use.

7. **Minimal Modifications Needed** Since it s a slip-on, you don t need to replace the entire exhaust system, which can save money and time compared to full exhaust kits.

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1. **Cost** The Agostini muffler is not a budget-friendly option. Priced significantly higher than stock or basic aftermarket alternatives, it may be a substantial investment for riders on a tight budget. Expect to pay several hundred dollars, depending on the retailer and any additional accessories.

2. **Limited Customization** Unlike full exhaust systems or muffler pairs, this slip-on is a single-unit replacement. If you want a different sound profile or more aggressive modifications, you ll need to pair it with other components (e.g., a different muffler or headers).

3. **Potential Fitment Issues** While designed for the Griso, some riders report minor fitment challenges, such as slight gaps or misalignment with the stock exhaust. This can sometimes lead to rattling or require additional sealing (e.g., exhaust clamps or gaskets). A professional installation can mitigate this.

4. **Sound May Not Suit All Preferences** The exhaust note is polished and refined, which some riders may find too mellow or lacking in aggression. Those seeking a louder, more aggressive sound might prefer a different aftermarket option (e.g., a full exhaust system with a larger muffler).

5. **Resale Value Impact** While the Agostini muffler enhances the bike s appearance and performance, it may not significantly boost resale value. Buyers often prioritize stock or simpler aftermarket modifications for used bikes, so the upgrade might not be fully recouped.

6. **Weight** Like many aftermarket exhaust components, the Agostini muffler adds slight weight to the rear of the bike. While negligible in most cases, it may affect handling slightly for riders who prioritize lightweight modifications.

7. **Installation Complexity for Beginners** While not overly difficult, installing a slip-on muffler requires careful alignment with the headers and exhaust pipes. Beginners may struggle with ensuring a proper seal or avoiding leaks, which could lead to exhaust fumes or noise issues.

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The Agostini AMGR11201 slip-on muffler is an excellent choice for Moto Guzzi Griso owners who want to enhance their bike s sound, performance, and aesthetics without undertaking a full exhaust overhaul. It strikes a balance between retaining the Griso s classic character and adding a modern, refined tone. The quality, durability, and ease of installation make it a strong contender for those willing to invest in a premium upgrade.

However, the higher cost and potential fitment challenges mean it may not be ideal for every rider. Those on a budget or seeking more aggressive modifications might explore alternative options, such as stock muffler replacements or different aftermarket brands. Ultimately, if you value a subtle yet noticeable improvement in both sound and performance, the Agostini muffler is a solid recommendation.

- You want a high-quality, polished exhaust note that enhances the Griso s character.

- You re willing to invest in a premium upgrade that improves performance and appearance.

- You prefer a slip-on solution that s easy to install and requires minimal modifications.

- You prioritize durability and brand reputation over cost savings.

- You re on a tight budget and can find a similarly performing muffler at a lower price.

- You prefer a louder, more aggressive sound and are open to a full exhaust system.

- You re uncomfortable with installation complexity and prefer a professional fit.

For most Griso owners seeking a refined yet noticeable upgrade, the Agostini AMGR11201 is a highly recommended choice. Just ensure proper installation to avoid any fitment or sealing issues.

Details:

MSRP new $649.99. 2007 17 Moto Guzzi Griso Polished Stainless Agostini Slip-On Muffler, AMGR11201. Very good condition. Includes muffler clamp and springs shown.

specifications cyclemufflermo:

• for models: Guzzi
• for years: 2007-2017
• brand: Agostini
• mpn: Amgr11201
• mounting style: Slip-on
• shape: Megaphone
• machine type: Street Motorcycle
• color: Silver
• material: Stainless Steel
• muffler type: Absorption
• vintage part: No
• placement on vehicle: Left, Rear
• type: Muffler
• features: Easy To Replace
• finish: Polished
• performance part: Yes

offer cyclemufflermo:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: February 4, 2026
• quantity: 1

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• policy: No Returns

general cyclemufflermo:

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

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• # reviews: 1134
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