DHM Reflash and Camshaft Package (Stage 2)

Good upgrade

Gets my 270 lb self to 60 mph on flat surface, id drop a tooth on the front sprocket as well

Fantastic upgrade waymore hp

This makes your grom way faster and makes it feel way quicker night and day difference from stock Great upgrade everyone with a grom should do.

First time customer

I was very happy with the purchase and service I received from dhm. plus my grom runs very good after my intake cam and ecu flash.