The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
Less mass to enhance power-to-weight ratio
Quiet power with minimal sacrifice for performance
Q4 HEX
Less sound equals more ground
Meets 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
Made in the U.S.A.
Fits
Manufacturer
Model
Year
BETA
RR 350 4T
2011
BETA
RR 350 4T
2012
BETA
RR 350 4T
2014
BETA
RR 350 EFI
2016
BETA
RR 350 EFI
2017
BETA
RR 350 EFI
2018
BETA
RR 350 ENDURO 4T
2011
BETA
RR 350 ENDURO 4T
2012
BETA
RR 350 ENDURO 4T
2013
BETA
RR 350 ENDURO 4T
2014
BETA
RR 350 ENDURO 4T EFI
2015
BETA
RR 350 ENDURO 4T EFI
2016
BETA
RR 350 ENDURO 4T EFI
2017
BETA
RR 350 ENDURO 4T EFI
2018
BETA
RR 390 EFI
2017
BETA
RR 390 EFI
2018
BETA
RR 390 ENDURO 4T
2015
BETA
RR 390 ENDURO 4T EFI
2016
BETA
RR 390 ENDURO 4T EFI
2017
BETA
RR 390 ENDURO 4T EFI
2018
BETA
RR 400 4T
2010
BETA
RR 400 4T
2011
BETA
RR 400 4T
2012
BETA
RR 400 4T
2013
BETA
RR 400 4T
2014
BETA
RR 400 ENDURO 4T
2012
BETA
RR 400 ENDURO 4T
2013
BETA
RR 400 ENDURO 4T
2014
BETA
RR 430 EFI
2017
BETA
RR 430 EFI
2018
BETA
RR 430 ENDURO 4T
2015
BETA
RR 430 ENDURO 4T EFI
2017
BETA
RR 430 ENDURO 4T EFI
2018
BETA
RR 450 4T
2010
BETA
RR 450 4T
2011
BETA
RR 450 4T
2012
BETA
RR 450 4T
2013
BETA
RR 450 4T
2014
BETA
RR 450 ENDURO 4T
2012
BETA
RR 450 ENDURO 4T
2013
BETA
RR 450 ENDURO 4T
2014
BETA
RR 480 EFI
2017
BETA
RR 480 EFI
2018
BETA
RR 480 ENDURO 4T
2015
BETA
RR 480 ENDURO 4T EFI
2017
BETA
RR 480 ENDURO 4T EFI
2018
BETA
RR 498 4T
2012
BETA
RR 498 4T
2013
BETA
RR 498 4T
2014
BETA
RR 498 ENDURO 4T
2012
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