HELLO EVERYONE, I OWN A 2000 ,BUSA,JUST FITTED A MICRON FULL RACE SYSTEM, HAD IT MAPPED AT H+m RACING PUTTING OUT 166bhp AT THE WHEEL, CAN ANYONE PLEASE TELL ME IF, LIKE ME THEY ARE GETTING SERIOUS BACKFIRES WHEN SHUTTING OFF, AND FLAMES ,IS THIS NORMAL OR IS THERE A PROBLEM. HAPPY NEW YEAR.
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