Yoshimura RS-4 Full System Exhaust DR-Z400S/SM ('00-23) | 116600D220 sprocket ('16-22) KTM 250/350/450 SXF/XCF

('16-22) KTM 250/350/450 SXF/XCF

RM/RMZ all

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and lightweight alloy collars

quick and easy-to-use buckles that fit a broad range of rider body sizes

Yoshimura RS-4 Full System Exhaust DR-Z400S/SM ('00-23) | 116600D220 sprocket ('16-22) KTM 250/350/450 SXF/XCFInstructions Parts Diagram RS 4 DUAL STAINLESS FULL EXHAUST, W CARBON FIBER MUFFLERS Fitment: Suzuki DR Z400S 2000 2023 Suzuki DR Z400SM 2000 2023 The RS 4 Twin Pipe kit was previously only available as a custom system for Kevin Schwantz who was passionate about these pipes on his Super Motard. He wanted his motorcycle to look like a "Hot Rod" and have a "cool" factor. We obliged and one of our most sought after yet unobtainable pipes was created,