If you have already paid for a DHM flashed ECU and need to have it updated for different modifications, you're in the right place! Select the drop down box for the mods you require and then checkout as usual. You'll receive a confirmation email with shipping instructions after payment has been sent. **Valid for original ECU flash purchaser only. Intake/Exhaust/Cam : Stock piston Grom/Monkey with an aftermarket intake, exhaust, and camshaft. You will be required to submit exact modifications on a Google Docs form after purchase. Intake/Exhaust/Cam with TB Cam: Same as above but includes a TB camshaft as well Stage 3: Stock bore Grom with a high compression piston, intake, exhaust and camshaft. You will be required to submit exact modifications on a Google Docs form after purchase. 186cc: TB Parts 186cc kit with PCX150 injector, intake, exhaust, and camshaft. You will be required to submit exact modifications on a Google Docs form after purchase.
