2006 Subaru Impreza E85 Flex fuel conversion to modified Su

I havent had any hands-on experience with their product, so I couldnt say yes or no. E85 systems require sensors that determine what fuel is in the tank and adjust from there, the mixture and other things are very different due to the burn characteristic of E85, if it doesnt require any permanent modifications, it may be worth a try if the fuel is available in your area. Try Googling the company to see if there is any feedback out there other than what they post on their own site