Honda CRF450R 2011-2012 Yoshimura Sound Insert Kit 94db RS-4 Muffler 1.375"

While all attempts are made to ensure accuracy, images and videos are for illustrative purposes only. Please contact us prior to purchase if you have any concerns.

Calculate Shipping

Yoshimura Sound Insert Kit 94db RS-4 Muffler 1.375"

Replacement Low-Volume Insert Kit for RS-4 Mufflers
Non-Spark Arrested
Available as optional kit on applications requiring different sound restrictions
Decibel reduction depends on application
Please see our Insert Chart to confirm fitment for your application
Kit Includes:
Low-Volume Insert Tube
End-cap collar
Set screw

Fitment Details

Honda CRF450R 2011
Honda CRF450R 2012

(YO-INS-16-K_1724)

SKU	YO-INS-16-K_1724
Barcode #	YO-INS-16-K
Brand	Yoshimura

Google Trusted Stores...

Friendly & efficient staff & had parts posted to me before weekend as they said i would...2 days to regional area. No trouble recommending them.

These guys here were great. Great service and great postage. I highly recommend to give these guys a call if you need any parts.

I have been going to Firestorm for over 6 years and would not go anywhere else Great friendly staff , always helpful , parts at a great price. Highly recommend using this shop.

Great store both online and in store, no motorcycles but all extras and loads of clothing accessories.