Description
Spark Arrestor Insert – 4.1 RCT
The FMF Spark Arrestor Insert Part Number 040638 is designed to provide effective exhaust system safety for your 4.1 RCT motorcycle. Crafted from durable materials, this replacement insert ensures reliable performance and easy installation, maintaining optimal exhaust flow while reducing the risk of sparks igniting surrounding materials. Its precise fit and high-quality construction make it an essential component for riders seeking both safety and performance enhancement. Whether replacing a worn-out component or upgrading your exhaust system, this spark arrestor insert offers an ideal solution for maintaining compliance with safety standards and protecting your riding environment. Easy to install and built to last, the FMF 040638 insert is a trusted choice for motorcycle enthusiasts who prioritize safety without compromising performance.
Features:
- Designed specifically for FMF 4.1 RCT exhaust systems
- Made from high-quality, durable materials
- Ensures effective spark suppression to prevent fires
- Easy installation with a precise fit
- Maintains optimal exhaust flow for performance





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