SUZUKI K3904-51063 Twinpeaks Duct Snorkel

( Manufacturer Part Number: K3904-51063 ), ( Type: Atv ), ( California Prop 65 Warning: Www.p65warnings.ca.gov )

Review SUZUKI Twinpeaks Duct Snorkel fits LT 700 2004

The **Suzuki K3904-51063 TwinPeaks 700 Series Duct Snorkel** is a meticulously engineered aftermarket performance accessory designed to elevate the breathing efficiency and overall power delivery of your Suzuki GSX-R1000, GSX-R750, or other high-performance sportbikes equipped with the TwinPeaks intake system. Crafted from high-grade, corrosion-resistant materials, this snorkel features a robust, dual-chambered design that optimizes airflow while minimizing turbulence, ensuring a steady and unrestricted supply of fresh air to the engine even under aggressive throttle inputs or during hard cornering. The snorkel s precision-machined inlet and seamless integration with the factory intake manifold eliminate backpressure, allowing the engine to breathe more freely and maintain peak performance across the rev range. Its compact yet aerodynamic shape reduces drag while maximizing airflow efficiency, making it an ideal choice for riders who demand both performance and practicality. The snorkel s durable construction, reinforced with heat-resistant materials, ensures longevity even under the most demanding riding conditions, from track days to high-speed highway cruising. Whether you're chasing top-speed records, improving throttle response, or simply enhancing your bike s overall breathing capability, the TwinPeaks 700 Series Duct Snorkel delivers a subtle yet noticeable improvement in engine performance, making it a must-have upgrade for enthusiasts who refuse to compromise on power and precision.

**Pros and Cons of Buying a Suzuki K3904-51063 TwinPeaks 700 04 Duct Snorkel**

The Suzuki K3904-51063 TwinPeaks 700 04 Duct Snorkel is a popular aftermarket exhaust system designed for Suzuki GSX-R1000 and other high-performance motorcycles. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **Performance Enhancement**

The TwinPeaks 700 04 Duct Snorkel is engineered to improve exhaust flow, reducing backpressure and allowing the engine to breathe more efficiently. This can lead to better throttle response, increased horsepower, and improved mid-range torque, especially noticeable in high-revving applications like the GSX-R1000.

2. **Sound Quality**

The system is designed to produce a deep, aggressive exhaust note with a pronounced "dual tone" characteristic of the TwinPeaks brand. This makes the bike sound more sporty and engaging, which is appealing to riders who prioritize exhaust tone over street-legal compliance.

3. **Durability and Quality**

TwinPeaks is known for using high-quality materials, including stainless steel and heat-resistant coatings, which helps prevent corrosion and extends the lifespan of the exhaust system. The welds and construction are generally robust, reducing the risk of leaks or failures over time.

4. **Compatibility**

The K3904-51063 model is specifically designed for the Suzuki GSX-R1000 (and sometimes other models with similar exhaust headers). This ensures a better fit compared to generic aftermarket exhausts, reducing the need for modifications or additional parts.

5. **Aftermarket Support**

TwinPeaks has a strong reputation in the performance motorcycle community, with widespread availability of parts, tuning support, and community resources. This makes it easier to troubleshoot issues or upgrade components in the future.

6. **Aesthetic Appeal**

The design of the TwinPeaks exhaust is sleek and aggressive, complementing the sporty look of the GSX-R1000. The dual-tone finish adds a distinctive visual element that many riders appreciate.

7. **Potential for Further Tuning**

Since the system improves exhaust flow, it pairs well with other performance modifications like ECU tuning, intake upgrades, or camshaft swaps. This makes it a versatile choice for riders looking to build a high-performance bike.

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### **Cons**

1. **Noise Level**

The TwinPeaks 700 04 Duct Snorkel is not street-legal in many jurisdictions due to its loud exhaust note. While it may be acceptable for track use or in areas with lenient noise laws, riders in urban or suburban areas may face fines, complaints from neighbors, or legal issues if they ride it on public roads.

2. **Cost**

The system is not cheap, especially when factoring in installation labor, tuning, and potential additional modifications (e.g., headers, catalytic converters, or mufflers to meet legal requirements). The price point may be prohibitive for casual riders or those on a tight budget.

3. **Maintenance and Upkeep**

While durable, the stainless steel components can still corrode over time, particularly in harsh environments (e.g., salted roads, coastal areas, or extreme weather). Regular cleaning and inspection are necessary to prevent rust or leaks.

4. **Installation Complexity**

Installing a TwinPeaks exhaust often requires removing the stock exhaust, which can be labor-intensive. It may also necessitate additional modifications, such as cutting or welding, depending on the bike s condition. Professional installation is recommended, adding to the overall cost.

5. **Potential for Backfires or Tuning Issues**

Improving exhaust flow can sometimes lead to backfires or rough idle if the engine management system (ECU) is not properly tuned. Riders may need to invest in an aftermarket ECU or tune to optimize performance and prevent drivability issues.

6. **Limited Practicality for Daily Use**

The aggressive sound and potential legal issues make this exhaust system more suited for track days, track-only bikes, or riders who primarily use their bike in permissive environments. Daily commuters or riders who value discretion may find it impractical.

7. **Resale Value Impact**

Modifying a bike with a high-performance exhaust like this can reduce its resale value, especially if the market favors stock or legal-compliant bikes. Potential buyers may be deterred by the noise or the need for further modifications to make it street-legal.

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### **Conclusion**

The Suzuki K3904-51063 TwinPeaks 700 04 Duct Snorkel is an excellent choice for riders who prioritize performance, sound, and the aggressive aesthetic of a high-end aftermarket exhaust system. It delivers measurable gains in power and throttle response while maintaining durability and a strong aftermarket reputation. However, its loudness and potential legal issues make it unsuitable for everyday street use in many areas. Additionally, the cost and complexity of installation and tuning may not justify the purchase for casual riders or those who don t plan to use the bike on the track or in permissive environments.

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### **Recommendation**

- You own a Suzuki GSX-R1000 (or a compatible bike) and plan to use it primarily for track days, track-only riding, or in areas with lenient noise laws.

- You are committed to tuning the bike (ECU, intake, etc.) to fully realize the performance benefits.

- You value the aggressive sound and sporty aesthetic of the system and are willing to invest in professional installation and maintenance.

- You are prepared to address legal considerations (e.g., mufflers, catalytic converters) if riding on public roads.

- You rely on the bike for daily commuting or street use in noise-restrictive areas.

- You are on a tight budget, as the system and related modifications can be expensive.

- You prefer a quieter, more practical exhaust solution that remains street-legal without additional work.

- You are not interested in tuning or building a high-performance bike, as the system s benefits are maximized with complementary modifications.

For riders who want a balance between performance and practicality, alternatives like legal-compliant aftermarket exhausts (e.g., Akrapovic, Sabelt, or Ohlins) or stock exhausts with minor upgrades (e.g., headers) may be more suitable. However, if you re serious about track performance and don t mind the trade-offs, the TwinPeaks 700 04 Duct Snorkel is a top-tier choice.

Details:

Good Usable Condition. Suzuki Twinpeaks 700 04 Duct Snorkel K3904-51063 53918: 39.99: Manufacturer Part NumberK3904-51063. Guarantee: All parts except those below have a 30-day guarantee.

part #: k390451063 prices

• $14.99-$39.99

specifications atvhosesfilters:

• for models: Lt, 700
• for makes: Suzuki
• for years: 2004
• mpn: K3904-51063
• type: Atv
• california prop 65 warning: Www.p65warnings.ca.gov

general atvhosesfilters:

• condition: Used
• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Air Hoses, Lines Pipes

offer atvhosesfilters:

• availability: In Stock
• started: March 20, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

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• paid by: Buyer
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• time: 30 Days

shipping atvhosesfilters:

• class: Standard
• cost: $0.00
• transit: 4-7 Days
• type: Fixed
• service: Standard

seller atvhosesfilters:

• rating: 99.8%
• city: Norfolk, Nebraska
• # reviews: 257910

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