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Quantity
1
Description
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 e...
Reviews
4.9
67 ratings
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1
USPS suck. They delay my shipping of ECU back to DHM. But once they got my ECU, it was reflushed, and was back out to me in few hours. Haven’t installed it yet, but im sure its good. Service is wxcellent as well. Highly highly recommends them
Y
Yasuharu · August 20, 2026
So helpful
I had my ECU flashed originally with just intake and exhaust then decided to add a cam and lightweight rear sprocket. They dialed me in with what I needed and the reflashed ECU was a small charge to include the cam and turn time was quick.
J
John · June 28, 2026
Stage 1 flash
The DHM team knows how to wake up the hidden power in the Grom. I am always impressed with their ability to reliably get their work out quickly.