Hi I have a vy s2 ecotec with the following bolt ons, mace 25mm manifold insulator, mace 12mm plenum spacer, mace 69mm bored out throttle body, mace cai with k&n filter, yella Terra 1.8.1 roller rockers, mace performance tune computer, genie extractors, 2x high flow 100cell cats, 2.5 inch...