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5" in diameter and 1
500 rpm when tested on the in-house dyno against a Ninja H2 SX with a standard stock exhaust
2015-2023 Yamaha YZF-R1 - - 2015-2022 Yamaha YZF-R1 M - - 2015-2019 Yamaha YZF-R1 S - - 2015-2016 Yamaha YZF-R1 LE - -
Utilizes existing OEM hardware (mounting bolt and hose clamp)
FMF Powercore 4 with Spark Arrestor DRZ400 043376 1821-2016 Replacement Bushings for OE Detachable Docking Hardware 5" in diameter and 1Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Removable spark arrestor included 2006 2007 Suzuki DR Z 400 K 2006 2007 Suzuki DR Z 400 E 2005 2021 Suzuki DR Z 400 SM 2003 2004 Kawasaki KLX 400 SR 2000 2021 Suzuki DR Z 400 S Fitment Disclosure This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's