When the engine is cold, fuel and water from the exhaust gas may condense in the intake system and in the cylinders making its way into...

Q50/Q60 HEAT EXCHANGER The VR30 uses A2W (air-to-water intercoolers). A2W intercoolers require the use of a heat exchanger(HX) and...

YOUR BASEMAP WILL NOT BE SENT UNTIL EVERY SINGLE STEP ON THIS PAGE HAS BEEN COMPLETE!! 12/1/25:  DUE TO INCREASED VOLUME OF TUNES THROUGH HOLIDAY SALES, WAIT TIMES MAY CAN BE 4 TO 5 BUSINESS DAYS. PLEASE BE PATIENT  AND BE SURE TO READ THE DIRECTIONS CAREFULLY. FAILURE TO FOLLOW DIRECTIONS WILL GREATLY INCREASE YOUR TUNING TIMES BECAUSE EMAILS ARE ANSWERED IN THE ORDER OF WHICH THEY ARE RECEIVED. IF YOU MISS A STEP(LIKE STEP 4 BELOW) OR DON'T COMPLETE A STEP PROPERLY, YOUR