YAMAHA 4QY06450 Pro Circuit Exhaust Pipe Muffler Silencer T4 Header

( Manufacturer Part Number: 4QY06450 ), ( Part Type: Circuit Pipe Exhaust Muffler Silencer Header )

Review YAMAHA Pro Circuit T4 Exhaust Pipe Muffler Silencer Header fits YFZ450 YFZ 450 2004–2009

Yamaha YFZ450 YFZ450 Pro Circuit T4 Exhaust Pipe Muffler Silencer Header (Yamaha 4QY06450)

The Yamaha 4QY06450 Exhaust Pipe Muffler Silencer Header, designed specifically for the Yamaha YFZ450 models from 2004 to 2009, is an essential upgrade for any enthusiast seeking improved performance and a distinctive sound. This exhaust component, manufactured by Pro Circuit, is a testament to the brand's commitment to offering high-quality, race-proven parts for off-road motorcycling.

This T4 exhaust system features a precision-engineered muffler silencer that provides an optimal balance between power and sound. The muffler is designed to reduce exhaust noise while minimizing any negative impact on performance. The result is a more powerful, responsive engine that delivers a thrilling riding experience without compromising on the essential roar of the YFZ450.

The exhaust pipe is crafted from premium materials to ensure durability and resistance to heat, corrosion, and wear. Its header design optimizes exhaust flow, reducing backpressure and enhancing engine efficiency. This results in increased horsepower and torque, making the YFZ450 more agile and responsive on the trails.

Installation of the Yamaha 4QY06450 Exhaust Pipe Muffler Silencer Header is relatively straightforward, thanks to Pro Circuit's attention to detail in the design process. The exhaust system is designed to fit securely and seamlessly onto the YFZ450, with minimal modifications required. This makes it an excellent choice for both amateur and professional riders seeking a performance upgrade without the need for extensive mechanical skills.

In summary, the Yamaha 4QY06450 Exhaust Pipe Muffler Silencer Header is more than just an exhaust system. It's a performance enhancement that transforms the YFZ450 into a more powerful, responsive, and distinctive machine. Whether you're a weekend warrior or a seasoned racer, this Pro Circuit exhaust system is an investment that will deliver unrivaled performance and a sound that will resonate on the trails for years to come.

Analysis of Yamaha 4QY06450 Exhaust Pipe for YFZ450/450 Pro Circuit T4

1. Enhanced Performance: The Yamaha 4QY06450 exhaust pipe is designed to improve the overall performance of your YFZ450 by increasing horsepower and torque, providing a more responsive and powerful ride.

2. Quality Material: This product is made from high-quality materials, ensuring durability and resistance to heat and corrosion, extending the lifespan of the exhaust system.

3. Pro Circuit T4 Design: The T4 design is known for its efficiency in reducing back pressure, allowing for improved engine performance and better throttle response.

4. Improved Sound: The exhaust pipe offers a deep, powerful exhaust note, enhancing the overall riding experience.

1. Cost: This exhaust pipe is a high-end aftermarket part, and as such, it may be more expensive than the stock exhaust system.

2. Installation Complexity: Installing aftermarket exhaust systems can be more complicated than stock parts, requiring specific tools and knowledge.

3. Potential Noise Regulations: In some areas, the increased volume of the exhaust might not comply with local noise regulations, which could lead to fines or other penalties.

4. Fitment Issues: While designed specifically for the YFZ450, there might be minor fitment issues that could require modification.

The Yamaha 4QY06450 exhaust pipe is a high-quality aftermarket part that can significantly improve the performance of your YFZ450. However, it comes with a higher price tag and potential fitment or installation issues. If you are looking to boost the performance of your ATV and are willing to invest in a high-end exhaust system, this product could be a good choice. On the other hand, if you are on a budget or prefer a more straightforward installation process, you might want to consider other options.

Details:

No cracks, breaks or repairs seen. Unit is in good working condition. Exhaust will only fit CARBURETOR model's. Condition of packing has not been verified.

These parts were removed from a 2004 Yamaha YFZ450. Pro Circuit Exhaust / OEM Header Pipe Assembly. Fitment Guarantee. MPN: 4QY06450.

If your vehicle is different than this, be sure to verify fitment. Mating surfaces and mounting points are intact. 2004 YAMAHA YFZ450 B.

part #: 4qy06450 prices

• $150.00-$362.85

specifications cyclemufflermo:

• for models: Yfz450, Yfz, 450
• for makes: Yamaha
• for years: 2004-2009
• mpn: 4qy06450
• part type: Circuit Pipe Exhaust Muffler Silencer Header

offer cyclemufflermo:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: August 19, 2025

shipping cyclemufflermo:

• class: Standard
• transit: 2-6 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• carrier: FedEx
• cost: $30.00

general cyclemufflermo:

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

returns cyclemufflermo:

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

payments cyclemufflermo:

• other
• wallet: Apple-pay
• credit card: Mastercard

seller cyclemufflermo:

• city: Puyallup, Washington
• # reviews: 3187
• rating: 99.6%

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