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2013 Honda CRF450R

Yoshimura RS-9D Full System Dual Exhaust - Stainless/Aluminum

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FITS: 2013 Honda CRF450R change
 
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Product Description

The dual-muffler configuration on the redesigned 2013 CRF450R gave Yoshimura the opportunity to create an entirely new muffler, specifically built for the CRF450R. Yoshimura worked in secret with Top AMA Pro Riders: Jeremy McGrath, Justin Barcia, Trey Canard, Eli Tomac, and Justin Brayton, to achieve maximum performance, mass centralization, and optimize rider-usability. Yoshimura were able to achieve all this, while keeping sound levels in check with AMA Regulation.

AMA Pro and Amateur sound legal...out of box.

  • Beginning with the head-pipe, a 3-stage tapered design results in better power, better throttle response, and usable power delivery. It is also spring mounted for increased durability.
  • The header flows seamlessly into a re-configured tail-pipe, where the exhausts gases are separated to each muffler.
  • Yoshimura's vertical divider splits the exhaust gases more evenly, for smoother flow, which improves mid-top power and throttle response.
  • Divided exhausts gases then reach the new, dual RS-9 mufflers, hence RS-9D. RS-9's parallelogram-shaped muffler body increases muffler volume over the stock system, resulting in better throttle response and improved noise cancellation.
  • The dual setup enabled Yoshimura to position the mufflers closer to the bike'ss center of gravity (mass centralization) resulting in better handling for the rider. An additional benefit of the mass centralization process was decreasing potential for muffler damage in the event of crash.
  • RS-9D not only makes more power and torque possible, but does it more quietly than single systems. The uniquely sculpted carbon fiber end-caps feature a Tunable Insert System, able to fine-tune power delivery and decibel levels to rider specifications.
  • Full System features dual RS-9 aluminum-sleeved mufflers with carbon fiber end-caps, stainless steel header and tail-pipe, installation hardware, and detail step-by-step instructions.
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Total Questions (2)
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Replacement?...
MARIAESTHER Location: BOLIVIA
1-2 of 2
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Motoxmike67 Over 7 months ago
Will mapping need to be changed when adding this exhaust system?
MotoSport Staff
Over 7 months ago Location: Portland, OR, USA
You will want to remap after installing the exhaust on the 2013 CRf450r. Even without installing an exhaust the CRF450r can benefit greatly from a tune. You have options of purchasing a piggyback tuner such as a Power Commander or you can even send out your stock ecu to a performance company for re-mapping.
MARIAESTHER 1 year 1 month ago Location: BOLIVIA
Replacement?
hi, I want to khown if you have a replacmenet for the left side of carbon fiber for the yoshimura rs9
MotoSport Staff
1 year 1 month ago Location: Portland, OR, USA
Unfortunately we don't have these end caps available as a replacement part. You would want to get in contact with Yoshimura directly at this time.
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