Just announced:

Honda Monkey Stage 1.0 Power Package

from 649.99

CJR Stage 1.1 Performance Package includes:

(1) Yoshimura RS3 Full System Exhaust

(1) ECU Flash Credit

How to order:

Option A = Mail in current ECU, we will ship you ECU back after the Flash

Option B = Purchase Additional ECU. If you return yours, you will receive a $95 credit back for the core.

Step 1 – Fill Out and Sign Mail In Waiver Form. (Email, send with ecu, etc.) – (Please email if you are not sending your ECU to cjrperformancellc@gmail.com. We cannot flash your ECU without this form.)


Step 2: Mail your ECU and form to –

CJR Performance

5825 E Hwy 163

Columbia MO, 65201

Step 3 -ECU flashing is turned around and shipped back within 1-2 business days.

Link to their page