Mason Blake
Fishtail exhausts are commonly found on motorcycles, particularly Harley Davidsons, and are known for their distinctive look and sound. The unique design of fishtail exhausts, with their aggressive fin style and captivating curve, contributes to a crackly, throaty, and high-pitched exhaust note. While some motorcycle enthusiasts appreciate the loud and wild sound of fishtails, others find it odd or too quiet. The sound of fishtail exhausts can be altered by modifying the internals, such as baffles, and by changing the length of the fishtail. Additionally, the quality of the welding and materials used can impact the sound produced by fishtail exhausts. Overall, fishtail exhausts are a popular choice for those seeking a unique look and sound for their motorcycles.
| Characteristics | Values |
|---|---|
| Sound | Crackly, throaty, loud, high-pitched, wild |
| Design | Aggressive fin design, captivating curve, stepped-up muffler bodies, louvered core baffle |
| Build Quality | All-metal build, polished chrome, steel that resists high temperatures and exhaust pressures |
| Surface | Anti-bluing |
| Performance | Mitigates TQ loss, minor power loss |
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What You'll Learn
The unique design of fishtail exhausts
Fishtail exhausts, such as those from Vance & Hines, offer a high-pitched sound that thrills riders. The all-metal build, polished in chrome, and the durable steel construction designed to withstand high temperatures and exhaust pressures, further enhance the appeal of these exhausts. The "anti-bluing" surface of the Harley fishtail slip-ons is a unique feature that sets them apart.
The stepped-up muffler bodies and louvered core baffle of fishtail exhausts contribute to their distinct sound. While some riders prefer a deeper tone, the Harley fishtail roar has its own dedicated fan base. The performance of these exhausts is also noteworthy, providing a smooth and responsive riding experience.
The inclusion of baffles in fishtail exhausts is a significant aspect. While baffles can mitigate tq loss, they also modify the cackle sound that fishtails are renowned for. Riders often face the challenge of balancing the desired sound with optimal performance, as certain exhaust configurations may result in noticeable power loss.
Fishtail exhausts have a unique design that not only produces a distinct sound but also enhances the overall personality and appearance of the motorcycle. Riders can customise their bikes with fishtails, emphasising their individual style preferences and enjoying the thrill of the ride.
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Soundproofing in fishtails
The loud, throaty, and crackly sound of Harley fishtail exhausts is a favourite for many motorcycle enthusiasts. However, some people dislike the sound and want to make their fishtails quieter.
Soundproofing fishtails can be done by adding more soundproofing material to the cavity of the fishtail. This can be done by cutting a section underneath the backside of the exhaust at the entry to the fishtail and using an S-bend to smooth out the flow from the butterfly valve to the fishtail. A new solid baffle with a hole in the middle can be created, with a pipe from the new S-bend to meet the baffle, effectively halving the soundproofing in the exhaust.
There are also other ways to soundproof fishtails, such as by using soundproofing foam, engine compartment insulation, or engine insulation. These methods can reduce noise transmission and dampen vibrations within the exhaust. Soundproofing foam is lightweight, easy to install, and effective at absorbing sound, but it may not block noise as well as mass-loaded vinyl or composite barriers. Combining foam with other materials like acoustic panels or damping sheets can provide better overall soundproofing.
It's important to note that soundproofing installation must provide adequate ventilation for the engine. Required vents and air holes can be quieted using air baffles. While it's not realistic to expect all noise to be eliminated once soundproofing is installed, a successful installation should allow for normal-volume-level conversations.
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The effect of baffles on sound
Baffles are a fundamental tool of noise mitigation and are used to reduce the strength of airborne sound. They are commonly used in the exhaust pipes of vehicles, particularly motorcycles. Baffles can be installed in the ceiling of vehicles to absorb energy from the pressure created by speakers, thus reducing cabinet resonance.
In the context of fishtail exhausts, baffles can play a role in altering the sound produced. For example, a forum user with a BMW R18 motorcycle mentions that their exhaust has only one baffle, with the rest of the soundproofing in the cavity of the fishtail. They plan to modify the exhaust by creating a new solid baffle with a hole in the middle, which will change the soundproofing characteristics.
Another forum user with a Harley Davidson motorcycle mentions that their fishtails have baffles at the very end of the pipe, which gives them an odd sound. They prefer the sound of drag pipes without baffles, describing the sound of their baffled fishtails as "kinda funny."
The inclusion or absence of baffles in fishtail exhausts can significantly impact the resulting sound. Removing baffles can increase the volume and alter the tone, creating a louder and wilder sound that some motorcycle enthusiasts prefer. However, the specific design and construction of the exhaust system, including the placement and type of baffles, will contribute to the unique sound produced.
In summary, baffles are sound-altering devices that can be used in various applications, including vehicle exhausts, to manage noise levels and acoustics. In the context of fishtail exhausts, the presence or absence of baffles can noticeably affect the sound, with some riders preferring the louder and more distinctive sound produced without baffles.
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Fishtails and their impact on performance
Fishtail exhausts have a unique, retro look and are known for the distinct, crackly, throaty sound they produce. While some motorcycle enthusiasts appreciate the loud, high-pitched sound of fishtails, others find it odd or unpleasant. The impact of fishtails on performance is a topic of discussion among riders, with some suggesting that they may restrict exhaust flow and impact horsepower.
Fishtail exhausts, also known as "slip-ons", are aftermarket modifications that can be added to motorcycles, particularly Harley-Davidsons. They are known for their aggressive fin design and captivating curve, which contribute to their distinctive appearance. While fishtails may enhance the aesthetic appeal and personality of a bike, there are mixed opinions about their impact on performance.
Some riders suggest that fishtails may restrict the flow of exhaust gases, potentially impacting the bike's horsepower and torque. This restriction can be caused by the design of the fishtail, which may have a narrower opening compared to other exhaust systems. Poor welding and overspill within the exhaust internals can also contribute to restricted flow.
However, other riders and manufacturers claim that fishtails do not inhibit performance. They argue that any loss in horsepower would be negligible and difficult to measure. Additionally, modern fishtail designs, such as those from Vance & Hines, are engineered to resist high temperatures and exhaust pressures, ensuring optimal performance even with the unique fishtail shape.
Ultimately, the impact of fishtails on performance may depend on various factors, including the specific design, quality of craftsmanship, and individual riding experience. While some riders prioritize the sound and style that fishtails offer, others may opt for standard exhaust systems to maintain optimal performance. It is essential to consider personal preferences, desired sound profile, and performance expectations when deciding whether to install fishtails or stick with the stock exhaust system.
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The appeal of fishtail exhaust sounds
The appeal of fishtail exhausts lies in their unique sound and aesthetic qualities, which have earned them a special place in the hearts of motorcycle enthusiasts. The following paragraphs delve into the allure of the fishtail exhaust sound and its impact on the overall experience of riding a motorcycle.
Fishtail exhausts produce a distinct, loud and wild sound that is often described as a crackly, throaty roar. This unique sound signature sets them apart from other exhaust systems and contributes to their popularity among riders seeking an exhilarating auditory experience. The aggressive fin design and captivating curve of the fishtail shape play a crucial role in creating this distinctive exhaust note.
The high-pitched, thrilling sound of fishtail exhausts, such as those offered by Vance & Hines for Harley motorcycles, is a significant draw for enthusiasts. The loud and pronounced exhaust notes evoke a sense of excitement and are often associated with the iconic Harley brand. The distinctive sound of these exhausts is further enhanced by their stepped-up muffler bodies and louvered core baffles, creating a signature tone that is instantly recognizable.
While some riders appreciate the loud and wild sound of fishtail exhausts, others find the sound odd or unusual. The addition of baffles at the end of the pipe can alter the sound, mitigating the distinctive cackle associated with fishtails. However, despite the mixed reactions to the sound, fishtail exhausts offer more than just auditory appeal.
Fishtail exhausts also enhance the personality and visual appeal of a motorcycle. Their retro look adds a unique style to the bike, creating an effortlessly cool and classic aesthetic. The combination of sound and style contributes to the overall riding experience, making fishtail exhausts a popular choice for those seeking to customize and personalize their motorcycles.
In conclusion, the appeal of fishtail exhaust sounds lies in their ability to create a distinctive auditory experience that excites and captivates riders. The loud, high-pitched, and crackly tones produced by fishtail exhausts, combined with their unique visual design, enhance the personality and style of the motorcycle. While sound is a primary factor, the overall allure of fishtail exhausts extends beyond acoustics, influencing the look and feel of the bike as well.
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Frequently asked questions
Fishtail exhausts are a type of motorcycle exhaust with an aggressive fin design and a captivating curve that emphasizes the fishtail look.
Fishtail exhausts can add a nice note to the sound of a motorcycle. They produce a loud, high-pitched, crackly, and throaty sound. However, some people find the sound weird, cheap, or tinny.
Vance & Hines' 3" Fishtail Slip-on for Harleys is a popular choice for those who appreciate loud, high-pitched sounds and stylish design.
Some alternatives to fishtail exhausts include V-Twin Manufacturing Chrome 3 1/4" Mufflers #30-3188 Reproduction OEM 65242-70B and standard end caps on V&H true duels.
Some modifications that can be made to improve the sound of a fishtail exhaust include shortening the fishtail, cutting, welding, and polishing, or adding a new solid baffle.
