Beta FMF Q4 HEX S/A - All 4 Strokes 350-520cc
The FMF Q has always been in a league of its’ own and our latest Q4 HEX is the most significant upgrade to date. You don’t need to settle for a plugged up moto muffler hampered by an insert when you can have a compliant muffler engineered for performance.
-Less sound equals more ground
-Meets USFS and FIM World Enduro sound regulations
-Power gains throughout the entire rpm range
-Spark arrestor included
-Pounds lighter than stock
-Rugged design for off-road endurance
-Only US manufacturer to offer dedicated quiet exhaust systems
-MADE IN THE USA
-Can be used with FMF or Stock OEM Header