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RE-PACKING TIPS
To maintain maximum sound and engine performance the muffler packing will need to be replaced at some time during
the muffler's life. Yoshimura recommends repacking your muffler at least once a year.
Failure to maintain the muffler packing may cause damage to the muffler and/or void the warranty. Regularly inspect
the muffler body for discoloration, cracks, rattling, or other signs of wear caused by depleted muffler packing. If muffler
packing is determined to be depleted or worn, a Yoshimura muffler re-pack kit is highly recommended to restore the
muffler to optimum maximum performance.
Yoshimura offers a 3-5 day turn around (plus transit time) to inspect and refurbish used and damaged mufflers.
For more information on muffler repacking please visit our website at:
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***PRO TIP***
Before you install your new muffler for the first-time log the weight in your Owner's or Service manual
along with the current hours or mileage on your vehicle. When you are performing periodic maintenance on your
vehicle (like a tire change, or an oil change) you can remove your Yoshimura muffler from the vehicle and weigh it again.
Over time, the packing material inside your muffler will burn off with use, and the muffler will need to be repacked.
When the weight loses approximately 100 grams of the original weight, you should consider getting your Yoshimura
muffler repacked. You can order repacking kit or the parts to repack the muffler from the Yoshimura website, or
your local dealer. You can also contact the Yoshimura sales office and arrange to send in your muffler for the repacking
service too.
IMPORTANT TECHNICAL NOTE
Yoshimura recommends on all race exhaust systems, that all spring joints be safety wired. Recommended wire type
304/316 stainless steel with a .032" diameter should be used.
YOSHIMURA EXHAUST LIMITED WARRANTY
All Yoshimura R&D of America, Inc., exhaust systems carry a one-year limited warranty against defects in workmanship
and/or materials.
WHO IS COVERED?
This warranty is provided to the original purchaser of the exhaust system.
WHAT VOIDS THE WARRANTY?
1. Abuse, misuse, improper installation and/or modifications
2. Custom applications
3. No proof of purchase at the time of warranty. Claimant must provide proof of purchase (original receipt or invoice)
and a warranty authorization number (RMA) obtained from Yoshimura.
4. Finishes such as plating or painted surfaces with discoloration or rust due to inclement weather conditions, exposure
to salt, exposure to chemicals, or lack of maintenance by the customer are not covered.
5. International grey-market product purchased through a dealer/distributor not authorized for your country will not
be supported by this warranty.
EXTENT OF WARRANTY:
Any defective exhaust system properly returned to Yoshimura will be repaired or replaced by Yoshimura. Yoshimura is
not responsible for any other expense incurred by the customer under the terms of this limited warranty, nor is
Yoshimura responsible for any damages either consequential, incidental, special, contingent or otherwise; or expenses
or injury arising directly or indirectly from the use of the exhaust system. Any exhaust system returned to Yoshimura
must be sent at the customers expense along with the proof of purchase and warranty authorization (RMA). Yoshimura
reserves the right to determine whether the terms of the warranty, set out above, have been properly followed. In the
event that the terms are not followed this warranty is void. Yoshimura is the sole determiner of abuse, misuse,
https://www.yoshimura-rd.com/pages/repack-
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