Description
The FMF 4.1 RCT Slip-On Muffler (Part Number 045690) is engineered to enhance your motorcycle’s performance with cutting-edge FMF Resonance Chamber Technology™. This innovative design optimizes exhaust flow for increased horsepower and torque, providing a noticeable boost in engine response. Crafted from aerospace-grade materials, the muffler offers durability and resistance to harsh riding conditions, ensuring long-lasting performance. Its shorter overall length reduces vulnerability to crash damage and helps to centralize mass by positioning the muffler closer to the engine, improving handling and balance. Manufactured entirely in our Southern California factory, the FMF 4.1 RCT meets strict quality standards and is designed for riders seeking an upgrade that combines performance, durability, and reliability. This slip-on muffler is compatible with a wide range of off-road and motocross bikes, offering an easy installation process and a significant upgrade in exhaust efficiency. Whether you’re racing or riding for recreation, the FMF 4.1 RCT delivers a robust sound and improved power delivery, making it a top choice for serious riders seeking optimal performance.
Features:
- FMF Resonance Chamber Technology™ enhances exhaust flow and engine performance
- Constructed from aerospace-grade materials for durability and resistance to harsh conditions
- Shorter overall length reduces crash damage vulnerability and improves handling
- Design positions the muffler closer to the motor to centralize mass
- Manufactured in Southern California ensuring high-quality standards





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