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News and Information
Closed for a few days

 
EFI Express will be closed from Thursday 7/21 through Tuesday 7/26. Orders placed during this time will ship when we return. Thanks for your patience!
 
 
Custom Urs4/UrS6 Motronic tuning

 
We are pleased to announce we now have the capability to custom tune your UrS4 / UrS6 ecu real-time for any hardware combination you may have in terms of turbo/injectors/etc. Contact us for details!
 
 
United Motorsport Software Now Available

 

EFI Express now offers the full line of United Motorsports tuning products.