EFI Express / EFI Motorsport
Somersworth, New Hampshire, United States
Tunes Haltech, Link ECU and MaxxECU on its own Mustang MD500 AWD chassis dyno. Listed by Link ECU and MaxxECU as a dealer, so you can buy the ECU here too.
At a glance
- Tunes
- Dyno
- Mustang MD500 AWD chassis dyno
- Address
- 20 Rescue Lane
Somersworth, NH 3878 - Phone
- 603-732-9077
- Website
- shop.efi-motorsport.com
Most watched on their YouTube
E-Throttle control on VEMS · 4,691 views · Watch on YouTube ↗
Other dyno tuners nearby
- Exotech PowerPlaistow, NH · 32 mi · Haltech, MoTeC
- Prime Speed TuningRowley, MA · 38 mi · Link ECU
- Limp Mode TuningPortland, ME · 40 mi · Link ECU
- DAS PerformanceDracut, MA · 46 mi · MaxxECU
Still choosing an ECU?
Entry units from the brands EFI Express / EFI Motorsport tunes:
- Haltech Nexus T1from US$935
- Haltech Nexus T2from US$1,215
- Link G4X AtomXfrom US$995
- Link G4X MonsoonXfrom US$1,245
How this listing was checked
Report a mistake on this page. Listed because there's evidence it tunes aftermarket ECUs and has its own dyno. "Sells too" means the ECU maker lists it as a dealer. Checked October 2026. Listings are free and shops can't pay for placement.