Description

The FMF Factory 4.1 Muffler 044206 is engineered for maximum performance, making it the ideal choice for competitive racers and off-road enthusiasts. Used by reputable factory teams such as KTM, Epic Can-Am, and Rath Racing, this muffler is designed to deliver enhanced power and optimized exhaust flow. Its construction ensures durability and consistent performance under demanding conditions, providing riders with confidence and reliability during intense rides. The Factory 4.1 offers compatibility with popular FMF accessories such as the Powerbomb and Megabomb headers, as well as stock headers, making it a versatile upgrade for numerous vehicle models. Featuring an easy-to-install design, it accepts optional quiet inserts and spark arrestors, allowing users to tailor sound levels and meet legal requirements without sacrificing performance. Whether you’re aiming for competitive edge or recreational enjoyment, this muffler is built to improve your vehicle’s exhaust efficiency and overall power output.

Features:

• Designed for maximum performance, used by professional factory racing teams

• Compatible with FMF Powerbomb, Megabomb headers, or stock headers

• Accepts optional quiet inserts and spark arrestors for customizable sound and safety

• Durable construction built to withstand demanding riding conditions

• Easy installation with a focus on improving exhaust flow and power output