FMF

Q4 HEX Muffler -BETA

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The Q4 employs intricate chambers, baffles and proprietary multistage packing material
With the Q4 you don’t need to hear the power, just feel the power!
Less sound equals more ground
Power gains throughout the entire rpm range
Spark arrestor included
Pounds lighter than stock
Rugged design for off-road endurance
Made in the U.S.A.
FITS - 2010-2013 Beta 520 RR, 2010-2013 Beta 450 RR, 2010-2013 Beta 400 RR, 2010-2013 Beta 520 RS, 2010-2013 Beta 498 RR, 2010-2013 Beta 450 RS, 2010-2013 Beta 350 RR, 2010-2013 Beta 350 RS