HI LADS I HAVE A 95 WRX WAGON IMPORT, I HAVE PUT ON A TDO5 TURBO AND CHANGED THE ECU TO A Z4, IT ALSO HAS A FULL DECAT EXHAUST AND K&N FILTER I HAVE BEEN TOLD BY A FEW PEOPLE WITH ALL THESE MODS I WILL NEED MY CAR MAPPING OR GET A PIGGYBACK CHIP WHICH WOULD DO THE SAME. IS THIS A GOOD IDEA PLEASE HELP? CHEERS SCOTT

 

I run my 93 wrx decat,IK and z4 ecu perfectly fine (to get the best out of the decat then you could think of remapping it either through getting a remappable ecu or have a look here Enduring Solutions Limited for their remappable daughterboard)

 

provided you run that setup with super unleaded you will be perfectly fine. i ran exsactly the same set up on my 95 wagon. i had a det monitor which showed no knock activity with optimax fuel and a afr gaugue which showed safe mixture. enjoy the car as it is. you dont need to map it unless you want to take further advantage of the decat and get more power.