fits model: R1, Std. make: Yamaha. year: 2009–2014.

( Brand: M4 ), ( Manufacturer Part Number: YA9922 ), ( Part Type: Slip Exhaust Muffler ), ( Finish: Polished )
The Ya9922 09-14 Yamaha R1 M4 STD Undertail Dual Slip Exhaust Muffler is a high-performance aftermarket exhaust system designed specifically for the Yamaha R1 M4 model years 2009 to 2014. This exhaust system is a direct replacement for the stock exhaust muffler, offering enhanced power, improved sound, and a more aggressive appearance.
The Ya9922 exhaust system is a dual slip-on muffler, featuring a 4-2-1 design that provides optimal exhaust flow, reducing back pressure and increasing engine performance. The muffler is constructed from high-quality stainless steel, ensuring durability and resistance to corrosion, even in harsh riding conditions.
The Ya9922 exhaust system features a unique undertail design, which not only provides a sleek and aerodynamic look but also allows for easy installation, as it does not require any modifications to the existing exhaust system. The muffler is also equipped with removable baffles, allowing riders to adjust the sound level to their preference.
One of the standout features of the Ya9922 exhaust system is its performance gains. The slip-on design reduces weight, allowing the engine to breathe more easily, resulting in improved throttle response and increased horsepower. The exhaust system also enhances the exhaust note, providing a more aggressive and satisfying sound that will appeal to any sportsbike enthusiast.
The Ya9922 09-14 Yamaha R1 M4 STD Undertail Dual Slip Exhaust Muffler is a must-have upgrade for any Yamaha R1 M4 owner looking to enhance their bike's performance and appearance. The high-quality construction, unique design, and performance gains make this aftermarket exhaust system a worthwhile investment for any serious sportsbike rider.
Pros of buying Ya9922 09-14 Yamaha R1 M4 std undertail dual slip exhaust muffler:1. Improved performance: Dual slip mufflers are known for enhancing the bike's engine performance by reducing back pressure and increasing the engine's exhaust flow.
2. Aesthetic appeal: The undertail design of the exhaust system gives the bike a sleek and modern look, making it stand out from other bikes on the road.
3. High-quality materials: The Ya9922 muffler is made of high-grade stainless steel, ensuring durability and resistance to corrosion and heat.
4. Easy installation: The exhaust system comes with all necessary hardware and instructions for installation, making it a relatively easy DIY project.
Cons of buying Ya9922 09-14 Yamaha R1 M4 std undertail dual slip exhaust muffler:1. Cost: The Ya9922 muffler is a premium product, and its price may be higher than other aftermarket exhaust systems.
2. Noise level: Dual slip mufflers are known to produce a louder sound compared to stock mufflers. Some riders may find this noise level uncomfortable or excessive.
3. Fitment issues: While the Ya9922 muffler is designed to fit 09-14 Yamaha R1 M4, there may be some fitment issues with certain models or years. It's essential to check the compatibility with your specific bike before buying.
Recommendation:The Ya9922 09-14 Yamaha R1 M4 std undertail dual slip exhaust muffler is a high-quality aftermarket product that can improve your bike's performance and aesthetics. However, its cost and noise level may be a concern for some riders. Before purchasing, be sure to check the muffler's compatibility with your bike and consider whether the benefits outweigh the potential drawbacks. If you're looking for a premium exhaust system that can enhance your riding experience, the Ya9922 muffler is a great option to consider.
Undertail slip-INS with polished canisters 304 stainless steel tubing retain stock catalytic converter stage 1 q8 2 required quiet inserts sold separate q6.