haltech ecu intercepter water proof kit haltech interceptor the new driving force in engine management the haltech interceptor is a totally new piggy back ecu designed to work in parallel with your existing factory ecu. the interceptor provides tuning of fuel mixtures, ignition timing, boost levels and many other features. the haltech interceptor is installed using a universal type wiring loom and tuning is performed on a laptop with user friendly interceptor software for windows. as the haltech interceptor works with the factory ecu, you need only tune where necessary, maximising power whilst maintaining factory levels of economy, idle quality, cold start etc. performance has never been achieved so quickly, easily and affordably