Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER
Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER
Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER
Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER
Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER
Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER

Yoshimura KX450F 16-18 RS-4E STAINLESS FULL EXHAUST, W/ ALUMINUM MUFFLER

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$669.00
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$669.00
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Introducing Yoshimura RS-4E Signature Series racing systems, a racing system that is designed to meet the extreme sound restrictions worldwide. These new systems have been developed for improved durability between service intervals due to a new internal configuration. The new configuration of the components provides improved sound/noise control for FIM's stringent regulations in world competition over its legendary RS-4 counterpart. Proven from the sands of Lommel, Belgium to the factory Supercross tracks in Southern California.

  • Unique internal muffler configuration enables system to meet FIM noise regulations
  • Longer durability between service cycles
  • Pentagonal-shaped sleeve
  • CNC machined muffler bracket
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Aluminum canister with carbon fiber end-cap
  • Stainless steel header and tail-pipe