Welcome To Injex Performance!

Specialits in Audi, Voltswagon, Seat, Skoda, and Bmw. Bringing you high quality services at lower prices




Credit/Debit Card Payment:

Card payments accepted through Paypal.







Got a problem? Engine management light on?

We can diagnose your fault at minimum cost and even provide you with direction on how to fix it.

Offered as a call out service demo




just £35




Smart scratch rapairs

smartWe are now able to offer a new type of repair for scratches and key lines on your car! Smart scratch repairs can improve a scratch to an almost unnoticeable level at a lower price to a full panel respray.

Updated: November 20th 2010

Injex Performance News:

Venom Remap Software

We are the uk's proud supplier of Venom Remaping software. Venom software is professionally developed for many models of car by research and development using the same of similar car to which the software is being designed for. data logging many different parameters during the tuning process in order to optimise a map for your car rarther than on site 'guesswork' which many other tuning companys use.


Updated: August 19th 2012

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Welcome to Injex Performance! Northamptonshire's number one mobile automotive services provider. We are specialists in engine Remapping (chipping), Vehicle diagnostics and electrical repair on most vehicles.

We aim in providing professional quality services at unbeatable prices!

Our range of products and services is constantly growing and we are now able to offer body repairs such as respraying, scratch repairs, and dent repairs.

Whilst offering most of our services on a mobile basis we have premesis for conducting respraying, servicing and wheel repairs




fuel_saving_remapping spac performance_remapping

All Remaps including ECO-MAP and POWER-MAP are now available for just £245





Alloy Wheel Repairs

Alloy wheel refurbishment from just £30 per wheel

speed limiter

Speed limitation add/remove

install or remove spped limiters in most vehicles for just £80



Diagnostic Testing

Diagnostic testing call out in Northampton area just £35



Coachworks / Spraying

Body Repairs / Scratch repairs / Respraying from just £80 per panel





Ecu Remapping, diagnostics, car bodywork, respraying, wheel refurbishment.

Northampton Leicester Rugby Daventry Milton keynes Towcester Banbury Coventry Birmingham


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01604 847030