Deacon recently brought his Holden 3.0L back to Revhigh  for the next stage of upgrades, focusing on improving airflow and overall engine efficiency. The vehicle previously ran a hot aluminium intake setup , which can often restrict performance due to heat soak and less efficient airflow. To improve the setup, we removed the old intake and installed an ORSSOM OTR (Over-The-Radiator) intake , along with a performance downpipe upgrade . Intake Upgrade Results After completing t