ECU Mail-In Flash Tune Update

NOTE - List ALL Modifications that you would like the ECU flash to be updated for.  

CJR Mail-In Tune Update - This checkout is specifically for those who have already purchased a flash from CJR and solely looking to change tunes via mail-in. This revision service covers the shipping/handling UPS return shipping and our receiving/boxing for mail in customers. After clicking checkout, please enter the modifications you would like the ECU to be updated to, include modifications for us to keep on record.***

V3 Upgrade currently for CRF110 Only. $39.99 Upgrade + $10 Return Shipping

Once purchased on the Mail-In Tune Update, please package your ECU up safely and ship it to us at:
CJR Performance
5825 E Hwy 163
Columbia MO 65201

***We can only reflash ECU’s that have previously been flashed by CJR with this purchase option. If you have not previously purchased a tune with us before, you cannot use this option. We do offer a discount for an ECU flash if you want to switch tunes to a CJR Spec Map

****PLEASE ENSURE WE HAVE A TUNE FOR YOUR NEW CONFIGURATION BEFORE SENDING IN YOUR ECU