fits model: Crf450r, Q4. year: 2011.

( Brand: Fmf Racing ), ( Manufacturer Part Number: 041479 ), ( Part Type: Slip Aluminum Exhaust ), ( Color: Aluminum ), ( Make: Honda ), ( Year: 2012, 2011 )
Introducing the Racing 1821-1388 041479 Slip-On Exhaust System by FMF, designed specifically for street and off-road motorcycles with a 27mm (5121) hex header. This high-performance exhaust system is meticulously crafted to deliver an unparalleled riding experience, enhancing both the power and sound of your bike.
The Racing 1821-1388 Slip-On Exhaust System features a unique design that seamlessly integrates with your motorcycle's exhaust system. Made from premium stainless steel, this exhaust system is not only durable but also resistant to corrosion, ensuring long-lasting performance. The slip-on design allows for easy installation, requiring no welding or cutting, making it a convenient choice for both DIY enthusiasts and professional mechanics.
The Racing 1821-1388 Slip-On Exhaust System by FMF is engineered to maximize power output. Its straight-through design and optimized internal geometry ensure efficient exhaust gas flow, reducing backpressure and enabling your engine to breathe more freely. This results in an increase in horsepower and torque, providing you with a more responsive and exhilarating ride.
In addition to its performance benefits, the Racing 1821-1388 Slip-On Exhaust System also boasts a distinctive sound. The high-quality stainless steel muffler delivers a powerful and aggressive tone that will turn heads on the street or trail. The exhaust system is also CARB-compliant, ensuring it meets emission standards for use in California and other states.
In conclusion, the Racing 1821-1388 041479 Slip-On Exhaust System by FMF is an excellent choice for those looking to enhance their motorcycle's performance and sound. Its durable construction, easy installation, and impressive power gains make it a valuable addition to any bike, whether you're a weekend warrior or a dedicated racer.
Pros of buying a 1821-1388 041479 slip-on exhaust system from FMF Racing:1. Improved Performance: The FMF Racing exhaust system is designed to improve the performance of your motorcycle by allowing for better exhaust flow, which can result in increased horsepower and torque.
2. Lightweight: The slip-on exhaust system is made of high-quality materials and is lightweight, which can help improve the overall handling and maneuverability of your motorcycle.
3. Customizable: The FMF Racing exhaust system is available in a variety of sizes and configurations, allowing you to customize it to fit your specific motorcycle and riding style.
4. Durable: The FMF Racing exhaust system is made to withstand the rigors of racing and everyday use, ensuring that it will last for a long time.
Cons of buying a 1821-1388 041479 slip-on exhaust system from FMF Racing:1. Cost: The FMF Racing exhaust system is more expensive than some other options on the market, which may be a drawback for some buyers.
2. Noise Level: The slip-on exhaust system may be louder than the stock exhaust system, which could be a concern for riders who value quiet operation.
3. Installation: Installation of the FMF Racing exhaust system may require professional assistance, which could add to the overall cost of the purchase.
Conclusion:If you are looking for a high-quality, performance-enhancing exhaust system for your motorcycle, the 1821-1388 041479 slip-on exhaust system from FMF Racing is a great option. While it may be more expensive than some other options, its lightweight design, customizable options, and durability make it a worthwhile investment for serious riders. However, if noise level or installation cost are concerns, you may want to consider other options.
Recommendation:If you are a serious racer or rider who is looking for a performance upgrade, the 1821-1388 041479 slip-on exhaust system from FMF Racing is a great choice. Its high-quality materials and customizable options make it a versatile and durable addition to your motorcycle. However, if cost or noise level are concerns, you may want to consider other options that may be more suitable for your specific needs.
With the Q4 hex you dont need to hear the power, just feel the power.
A patented core shape lowers sound levels while maintaining maximum power output, and the five sided canister shape increases internal volume allowing for the use of more sound absorbing material. The Q4 hex employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available.