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Yoshimura RS-12 Slip-On Exhaust | Honda CRF450R / CRF450RX | Stainless with Carbon End Cap
The Yoshimura RS-12 Slip-On Exhaust is a bolt-on muffler for the Honda CRF450R and CRF450RX, built around...
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Description
xThe Yoshimura RS-12 Slip-On Exhaust is a bolt-on muffler for the Honda CRF450R and CRF450RX, built around Yoshimura's RS-12 canister with a stainless steel body and a carbon fiber end cap.
The RS-12 is Yoshimura's current-generation motocross and off-road muffler, developed alongside the team's race program. It is a shorter, more compact canister than the RS-9 and RS-4 it follows, which pulls mass forward and inboard — on a 450 motocrosser that matters more than it does on a street bike, because the muffler sits out at the widest point of the machine's swing.
Being a slip-on, it retains the factory head pipe, which keeps installation to a few bolts and a spring.
- Bolt-on slip-on muffler — retains the stock head pipe
- Stainless steel canister with carbon fiber end cap
- Compact RS-12 design centralises mass compared with earlier Yoshimura canisters
- Repackable core — serviceable rather than disposable
- Yoshimura part number 961-1919
- Made in the USA by Yoshimura R&D of America
Fits Honda CRF450R and CRF450RX models. Confirm the exact model years for your machine against Yoshimura's application chart before ordering, and check the sound and spark arrester requirements for the land you ride — a separate Yoshimura spark arrester insert is required for USFS and BLM areas.
Shipping & Return
xLast Updated: April 30, 2025
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