Holden vx ss cammed and full manta performance exhaust system

Hi guy's and girls. Check this vx ss out. Just finished cammed and full dyno tune. We fitted the new 3" manta performance exhaust system with headers and decat pipes. Did a upgrade on the diff 3.97 gear's with new harrop Truetrac lsd diff.
Custom Dyno Tune 318kws at hubs and 549nm of Torque not bad for a 5.7 liter