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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
• Replaces OEM # 17397-57A
allowing us to add up to 6 additional frictions disks to the clutch pack over stock
Width: 744
* Spacer made for Snug Fit over a 5/16in
FMF Racing Q4 Hex Aluminum Slip-On Muffler w/Stainless End Cap for Beta 350RR/390RR/430RR/480RR 20-25 • Replaces OEM # 17397-57AFMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you dont need to hear the power, just feel the power! Less sound equals more ground Meets USFS and FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark
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