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FMF Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FMF Racing lineup with fast shipping and expert fitment support — order with confidence.
The FMF Powercore 4 Hex Slip-On is the ultimate performance upgrade for your Beta 350, 390, 430, or 480 RR. Known for its legendary durability and power gains, the Powercore 4 series has been a staple in the off-road community for years. The "Hex" design offers a modern look while maintaining the high-flow characteristics that FMF is famous for, ensuring your engine breathes better and performs at its absolute peak.
Designed for riders who demand reliability and power, this slip-on muffler provides a significant improvement over stock systems. The robust construction ensures that it holds up against debris and vibration, making it a reliable companion for long-distance trail riding or technical enduro sections. The distinct sound profile provides an aggressive, deep tone that lets everyone know you mean business. If you are looking to unlock the hidden potential of your Beta RR, the Powercore 4 Hex is the gold standard in aftermarket exhaust systems. Find all your essential off-road upgrades at GGCRACING.
Other popular FMF Racing products customers consider together:
FMF Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FMF Racing lineup with fast shipping and expert fitment support — order with confidence.
The FMF Powercore 4 Hex Slip-On is the ultimate performance upgrade for your Beta 350, 390, 430, or 480 RR. Known for its legendary durability and power gains, the Powercore 4 series has been a staple in the off-road community for years. The "Hex" design offers a modern look while maintaining the high-flow characteristics that FMF is famous for, ensuring your engine breathes better and performs at its absolute peak.
Designed for riders who demand reliability and power, this slip-on muffler provides a significant improvement over stock systems. The robust construction ensures that it holds up against debris and vibration, making it a reliable companion for long-distance trail riding or technical enduro sections. The distinct sound profile provides an aggressive, deep tone that lets everyone know you mean business. If you are looking to unlock the hidden potential of your Beta RR, the Powercore 4 Hex is the gold standard in aftermarket exhaust systems. Find all your essential off-road upgrades at GGCRACING.
Other popular FMF Racing products customers consider together:
