COFFMAN EXHAUST CMY-4045 Coffmans Shorty

( Brand: Coffman Exhaust ), ( Mounting Style: Bolt-on ), ( Item Diameter: Exterior ), ( Shape: Round Angle ), ( Machine Type: Street Motorcycle ), ( Outlet Diameter: 2 In ), ( Color: Black ), ( Items Included: Muffler ), ( Manufacturer Part Number: CMY-4045 ), ( Material: Mild Steel ), ( Placement On Vehicle: Righ Or Left Or Both Depends On Bike ), ( Type: Slip-on Exhaust System ), ( Unit Type: Unit ), ( Features: Easy To Replace ), ( Universal Fitment: No ), ( Performance Part: Yes )

Review COFFMAN EXHAUST Coffmans Systems Yamaha Shorty fits R1 2002–2003

Introducing the Coffman Performance Exhaust CMY-4045, a high-performance aftermarket exhaust system designed specifically for the Yamaha R1 motorcycles manufactured between 2002 and 2003. This shorty exhaust system is a masterpiece from Coffman Performance, a reputable brand recognized for its commitment to enhancing the power and aesthetics of motorcycles.

The CMY-4045 exhaust system is meticulously crafted using premium-grade stainless steel. This material not only ensures durability but also adds a distinctive, polished look to your motorcycle. The 4-2-1 design of the system optimizes the flow of exhaust gases, reducing backpressure and increasing engine efficiency. This results in improved horsepower and torque, making your Yamaha R1 more responsive and agile.

The system features a shorty design, which not only enhances the visual appeal of your motorcycle but also reduces the overall weight. The shorty muffler is equipped with a removable dB killer, allowing you to customize the sound of your exhaust to suit your preference. The quiet setting ensures compliance with local noise regulations, while the louder setting provides the thrilling exhaust note you'd expect from a high-performance motorcycle exhaust.

Each exhaust system is meticulously engineered and manufactured in the USA, ensuring the highest standards of quality. The CMY-4045 system is designed to be a direct replacement for the stock exhaust, making installation quick and straightforward. It comes with all necessary hardware, including new OEM-style header bolts and exhaust clamps, making it an easy upgrade for even the most novice motorcycle enthusiasts.

In summary, the Coffman Performance Exhaust CMY-4045 is an excellent investment for any Yamaha R1 (2002-2003) owner looking to boost performance, reduce weight, and enhance the visual appeal of their motorcycle. This shorty exhaust system is not only a testament to Coffman Performance's commitment to excellence but also a perfect example of how a well-designed aftermarket part can transform the riding experience.

Pros and Cons of Buying a Coffman Exhaust CMY-4045 for 2002-2003 Yamaha R1

The Coffman Exhaust CMY-4045 is a popular aftermarket exhaust system for the 2002-2003 Yamaha R1. This shorty exhaust system offers improved performance and a more aggressive look. In this analysis, we will discuss the advantages and disadvantages of purchasing a Coffman Exhaust CMY-4045 for your Yamaha R1.

1. Increased Horsepower: One of the primary reasons riders choose aftermarket exhausts is for increased horsepower. The Coffman Exhaust CMY-4045 is designed to provide a noticeable gain in horsepower and torque.

2. Enhanced Sound: The exhaust system produces a distinctive and bold exhaust note. The sound is not only pleasing to the ear but also signifies the presence of a high-performance motorcycle.

3. Lightweight: The Coffman Exhaust CMY-4045 is made of lightweight materials, which results in a lighter and more agile motorcycle. This can lead to improved handling and acceleration.

4. Durability: Coffman exhausts are known for their quality and durability. The CMY-4045 is made from high-quality stainless steel and features a polished finish that looks great and resists corrosion.

5. Improved Throttle Response: The exhaust system's design allows for improved throttle response, making the bike more responsive and fun to ride.

1. Cost: Aftermarket exhausts can be expensive, and the Coffman Exhaust CMY-4045 is no exception. The cost may be a significant factor for some riders.

2. Loudness: The exhaust system produces a loud exhaust note that may not be suitable for all riding environments. Riders should be aware of local noise regulations and consider using a muffler or exhaust tip to reduce noise levels.

3. Installation: Installing the Coffman Exhaust CMY-4045 can be a complex process and may require professional installation. This can add to the overall cost of the exhaust system.

4. Maintenance: Aftermarket exhausts may require more maintenance than stock exhaust systems. The Coffman Exhaust CMY-4045, in particular, may require frequent checking and adjustment of the header bolts due to the high heat generated by the exhaust system.

The Coffman Exhaust CMY-4045 offers several advantages for 2002-2003 Yamaha R1 owners, including increased horsepower, enhanced sound, lightweight design, durability, and improved throttle response. However, the exhaust system comes with some disadvantages, such as cost, loudness, complex installation, and maintenance requirements.

If you are a performance-oriented rider who values power, sound, and agility, the Coffman Exhaust CMY-4045 is an excellent investment for your Yamaha R1. However, if you prioritize comfort, quietness, and ease of use, you may want to consider other aftermarket exhaust options or stick with the stock exhaust system. Ultimately, the decision to purchase a Coffman Exhaust CMY-4045 depends on your individual preferences, riding style, and budget.

Details:

Coffmans slip on come from 2003 R1.

part #: cmy4045 price

• $339.99

specifications exhausterupt:

• for models: R1
• for makes: Yamaha
• for years: 2002-2003
• brand: Coffman Exhaust
• mounting style: Bolt-on
• item diameter: Exterior
• shape: Round Angle
• machine type: Street Motorcycle
• outlet diameter: 2 In
• color: Black
• items included: Muffler
• manufacturer part number: CMY-4045
• material: Mild Steel
• placement on vehicle: Righ Or Left Or Both Depends On Bike
• type: Slip-on Exhaust System
• unit type: Unit
• features: Easy To Replace
• universal fitment: No
• performance part: Yes

general Exhausterupt:

• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
• condition: Used

seller Exhausterupt:

• # reviews: 1152
• city: Brighton, Colorado
• rating: 100.0%

payments Exhausterupt:

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

shipping Exhausterupt:

• type: Calculated
• cost: $7.92
• transit: 5-11 Days
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

returns Exhausterupt:

• policy: No Returns

offer Exhausterupt:

• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: April 17, 2026

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