1. Motorcycle Silencers, Mufflers & Baffles For Sale
  2. sku: 15858643222436853
  3. BROCKS PERFORMANCE 366427

BROCKS PERFORMANCE 366427 Carbon Exhaust Muffler Pentacarbon

fits model: Gsxr1000. make: Penta. year: 2007–2008.

366427 Brocks Performance Penta-carbon Full Exhaust System 15 Inch Muffler Black Gsxr1000 07-08

( Brand: Brocks Performance ), ( Manufacturer Part Number: 366427 ), ( Mounting Style: Slip-on ), ( Machine Type: Street Motorcycle ), ( Color: Black ), ( Muffler Type: Combination ), ( Placement On Vehicle: Exhaust ), ( Type: Muffler ), ( Unit Type: Unit ), ( Features: Easy To Replace ), ( Universal Fitment: No ), ( Performance Part: Yes )

Review BROCKS PERFORMANCE Penta carbon Full Exhaust System 15 Inch Muffler Black fits GSXR1000 2007–2008

The **Brocks Performance 366427 Penta-Carbon Exhaust 15 Muffler for the 2007-2008 Honda GSX-R1000** is a meticulously engineered aftermarket component designed to elevate the performance, aesthetics, and overall driving experience of your high-performance sportbike. Crafted from high-grade **penta-carbon steel**, this muffler is built to withstand the extreme demands of aggressive riding while delivering a striking visual upgrade that instantly transforms the look of your GSX-R1000. The **15-inch diameter** of the muffler is not just a stylistic choice but also a functional one, allowing for improved exhaust flow and reduced backpressure, which translates to enhanced throttle response and a more aggressive power delivery. The **sleek, aggressive contour** of the muffler follows the aggressive lines of the GSX-R s chassis, ensuring a seamless integration that maintains the bike s sporty silhouette while adding a touch of boldness. Inside, the muffler features **optimized sound dampening technology**, striking a balance between a deep, resonant growl and controlled exhaust note that remains legal for street use in most regions, though always verify local regulations. The **high-temperature coating** applied to the exhaust ensures durability, preventing oxidation and corrosion even under prolonged high-stress conditions, making it ideal for track days or spirited highway cruising. Whether you re chasing top speeds on a twisty road or pushing the limits on the racetrack, this muffler delivers a harmonious blend of performance gains and eye-catching design, making it a standout choice for enthusiasts who demand both power and presence from their GSX-R1000.

### **Brocks Performance 366427 Penta-Carbon Exhaust Muffler (GSX-R1000 07- 08) Pros and Cons**

#### **Pros:**

1. **Improved Exhaust Note** The penta-carbon construction delivers a deeper, more aggressive tone compared to stock exhausts, enhancing the sporty character of the GSX-R1000. The note is often described as smoother and more refined than aftermarket options with thinner walls.

2. **Lightweight Design** The use of penta-carbon (a carbon fiber-reinforced material) reduces weight compared to steel exhausts, which can contribute to better handling and throttle response.

3. **Durability** Penta-carbon is highly resistant to corrosion and heat, making it a long-lasting choice for daily riding and track use. It won t rust like steel exhausts, especially in wet or salty conditions.

4. **OEM Fitment** The Brocks exhaust is designed to fit the GSX-R1000 ( 07- 08) without major modifications, though some users may need to adjust hangers or gaskets for a perfect seal.

5. **Better Mid-to-High-End Performance** While not as aggressive as full exhaust systems, this muffler can improve exhaust flow, leading to slight power gains in the midrange and top end, especially when paired with a high-flow cat-back system.

6. **Aesthetic Appeal** The sleek, black finish and modern design complement the GSX-R1000 s aggressive styling, making it a visually appealing upgrade.

7. **Ease of Installation** Compared to full exhaust systems, this muffler is relatively straightforward to install, often requiring only basic tools and minimal modifications.

8. **Sound Regulation Compliance** The penta-carbon construction helps dampen some of the harshness of aftermarket exhausts, making it a more practical choice for street-legal use in areas with strict noise laws.

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#### **Cons:**

1. **Limited Power Gains** This is a single muffler, not a full exhaust system. While it improves the note and flow, it won t provide the same power increase as a complete cat-back or header-and-muffler setup.

2. **Higher Cost Than Steel** Penta-carbon exhausts are more expensive upfront than steel alternatives, though they may save money long-term due to durability.

3. **Potential for Leaks** Some users report that penta-carbon exhausts can develop leaks at gaskets or weld points over time, though Brocks is generally well-regarded for quality control.

4. **Not as Aggressive as Thin-Wall Options** If you're looking for a loud, free-flowing exhaust, this won t match the tone of thin-wall steel or titanium exhausts.

5. **Requires Careful Installation** Improper installation (e.g., loose hangers, incorrect gasket placement) can lead to rattles or exhaust leaks, so precision is needed.

6. **Limited Aftermarket Support** Unlike steel exhausts, penta-carbon parts are less common in the aftermarket, meaning fewer upgrade options (e.g., headers, custom mufflers) may be available.

7. **Potential for Heat Sensitivity** While durable, penta-carbon can be sensitive to extreme heat if the engine is heavily modified, though this is rare with stock or mildly tuned GSX-R1000s.

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### **Conclusion**

The **Brocks Performance Penta-Carbon Muffler** is an excellent choice for riders who want a **balanced upgrade** combining a **deeper, sportier exhaust note**, **lightweight construction**, and **durability** without the extreme power gains of a full exhaust system. It s ideal for those who prioritize **sound quality, aesthetics, and longevity** over raw performance.

If you're looking for **more power**, a **full cat-back exhaust** (e.g., Akrapovic, Brocks full system, or Incon) would be a better investment. However, if you simply want to **enhance the stock exhaust s tone** and **improve flow slightly** while maintaining compliance and durability, this muffler is a strong option.

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### **Recommendation**

**Buy if:**

- You want a **high-quality, durable muffler** that improves the GSX-R1000 s exhaust note without major modifications.

- You ride in areas with **strict noise laws** and prefer a **regulated but aggressive sound**.

- You value **lightweight construction** and **corrosion resistance** over extreme power gains.

- You plan to pair it with a **high-flow cat-back** for better overall performance.

**Skip if:**

- You re seeking **maximum power output** and are willing to invest in a full exhaust system.

- You prefer a **loud, free-flowing tone** and don t mind the maintenance of steel exhausts.

- You re on a **tight budget**, as penta-carbon is more expensive than steel alternatives.

**Final Verdict:** For most riders looking for a **premium, street-legal exhaust upgrade** that enhances the GSX-R1000 s character without drastic changes, the Brocks Penta-Carbon Muffler is a **solid recommendation**. Pair it with a **high-flow cat-back** (e.g., Brocks 366426 or 366428) for the best results.

Details:

Brocks Penta-Carbon Full Exhaust System 15 Muffler Black GSXR1000 07-08.

specifications cyclemufflermo:

  • for models: Gsxr1000
  • for makes: Penta
  • for years: 2007-2008
  • brand: Brocks Performance
  • mpn: 366427
  • mounting style: Slip-on
  • machine type: Street Motorcycle
  • color: Black
  • muffler type: Combination
  • placement on vehicle: Exhaust
  • type: Muffler
  • unit type: Unit
  • features: Easy To Replace
  • universal fitment: No
  • performance part: Yes

general cyclemufflermo:

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

returns cyclemufflermo:

  • policy: No Returns

payments cyclemufflermo:

  • other
  • credit card: Discover
  • wallet: Google-pay

shipping cyclemufflermo:

  • class: Standard
  • carrier: USPS
  • transit: 5-12 Days
  • cost: $62.03
  • type: Calculated
  • service: USPS Ground Advantage

offer cyclemufflermo:

  • started: June 3, 2026
  • availability: In Stock
  • best offers: True
  • quantity: 1
  • sold: 0
  • options: Ship-to-home

seller cyclemufflermo:

  • rating: 0.0%
  • # reviews: 0
  • city: Poplar Bluff, Missouri
for models: gsxr1000, for makes: penta, for years: 2007-2008, mounting style: slip-on, machine type: street motorcycle, muffler type: combination, placement on vehicle: exhaust, type: muffler, unit type: unit, features: easy to replace, universal fitment: no, performance part: yes,
category: motorcycle parts > motorcycle scooter parts accessories > exhaust emission systems > silencers, mufflers baffles, color: black, sku: 15858643222436853,
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