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EFI Express

4.6

About this business

Location details

20 Rescue Ln, Somersworth, NH, 03878, United States

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WeekdayScheduleStatus
Mon9:00 a.m. to 5:00 p.m.
Tue9:00 a.m. to 5:00 p.m.
Wed9:00 a.m. to 5:00 p.m.
Thu9:00 a.m. to 5:00 p.m.
Fri9:00 a.m. to 5:00 p.m.
SatClosed
SunClosed
4.695 reviews
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Ronald Dumont's profile image
Ronald Dumont 
a month ago

No, they sucked. Did not clearly state they were guessing my ABS module was bad in my 93 S4 and ABS still inopp after replacement of my original ABS module. $1000 ultimately wasted. Reply to reply: Well, Mark, I guess it's your word against mine. Yes, granted, two years ago(or how ever long it's been now) can, in that time, dim a memory. Who knows anymore - no longer important. What was import to me is that it soured my outlook regarding EFI Motorsport in helping me assemble and tune into my '97 A6Q Avant, the custom, one of... read more

JAKE's profile image
JAKE 
a month ago

I've done few tunes through them now and Marc is extremely knowledgeable and someone you can trust with any racecar build. The team is very professional and Will is excellent at communicating and giving updates. Only shop I'll use in future. Very honest and fair priced. They will make sure everything is as good as it can be before leaving the shop. Much appreciated for all your hard work! Car rips now and never felt better! 

Arrigo Bodda's profile image
Arrigo Bodda 
2 months ago

I randomly approached EFI for a ECU remapping. I asked them a quote to install a SW which I could have provided them. I knew for sure that the time for installation is 15mim/max 20min, since I had to wait for it at another tuner's shop for exactly the same work. They quoted the work for h1.5 : this is 450% (using the max) more than the real time. Now, I understand that you want to pad up a bit your estimate to protect yourself from inconveniences ( ) , but... by 450%?? C'mon, man... :-) I even offered to pay $150 instead of ... read more

Chase Buck's profile image
Chase Buck 
4 months ago

Ill make this short. They have handled several of my vehicles now, domestic as well as imports. And all the work they have done was awesome. Honest work done without cutting corners is extremely hard to find. My audi runs better than i have ever seen or heard it run in the years of owning it, And my 5.0 does as well. I no longer allow other shops to touch my cars since meeting the team over at EFI🤙🏼 

Josh Blouin's profile image
Josh Blouin 
4 months ago

Low quality of work and attention to detail, had fuel pump and line upgrades done and get the car back and have more than one fuel leak from the components they replaced. Techs left multiple grease stains inside my car, shop had the car for months and finally got to a test drive point and did not latch the hood so it flew up and smashed the windshield. I was not satisfied whatsoever with the work or the price I paid for the low quality of work. 

Frequently asked questions about EFI Express

How is EFI Express rated?

EFI Express has a 4.6 star rating with 95 reviews. 

When is EFI Express open?

EFI Express is closed now. It will open tomorrow at 9:00 a.m. 

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