Shopping Cart
NOTICE Due to high volume of sales, lead time could be up to 7-10 business days before shipping.
USA Orders Only- International inquires please email m4orders@att.net
Continue shopping “2018-2023 KTM 790/890 Duke, 2019-2023 KTM 790/890 Adventure Muffler Box Eliminator” has been added to your cart.
You may be interested in…
A 3% credit card processing fee will be charged for all order cancellations.
All M4 systems are designed and intended for closed-course competition use only.
Not for sale in California without proper documentation found Here.
Our systems are provided as is without any guarantees or warranty beyond those outlined in our warranty section. In association with the product, M4 Exhaust makes no warranties of any kind, either express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, of title, or of noninfringement of third party rights. Use of the product by a user is at the user’s risk.
