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Not really sure where to even start... After getting some not so great responses from tuners closer to me I decided to reach out to EFI. They just spewed knowledge and professionalism from minute one. They took amazing care of my car, made informed suggestions, and the work done is just amazing. I've had the tune/upgrades going on my Subaru for about 6+ months and zero issues, not even a bolt coming loose. I wish I had done it sooner to be honest. No question to me that these are the best guys in the state, and probably New England. I will be back for any further upgrading to the car without hesitation.
Jan 4th, 2024

Jan 3rd, 2024

When they do the work its great but they never answer the phone, emails are spotty and I just cant ever get a hold of them my car hasnt been running good for a month but they dont answer ever. Would give them 5 stars if they used the phone
Dec 30th, 2023

Great bunch of guys at EFI. Worked with Ben setting up my tune appointment. Had some issues with parts I had installed personally that needed to be corrected. Without hesitation, Kyle and Jack got my car on a lift, fixed my amateur mistakes within an hour, and then had my car back on the dyno to make its runs. Then Calvin from Dotson Tuning did an amazing job getting my WRX feeling great. There is a reason EFI is a primer performance shop on the East Coast, it shows from the great group of guys working there.
Jun 16th, 2023

I brought in my 2010 Subaru WRX hatch for a dyno tune after modifying it with a list of parts. First off, Ben was beyond helpful with emails and phone calls back and forth pointing me in the right direction. Then their tuning guy Calvin even sent me a base map over email to get me down to their shop as I live 2 hours away and was nervous to drive all the way with a stock tune. While I was watching them work I had no worries at all, super efficient, friendly, and while you wait the parking lot is like a car show in itself. Just incredible service, and I highly recommend them. 5 out of 5 stars!
May 2nd, 2023