Hi finally back again . The mods that i done have worked out great [Air filter BMC Cardon Dyamic Airbox ][ Airteck Snorkel ][ Redback 21/2 in V8 sports muffler] [ repiped crank case breath and made oil return to sump bigger] [Set turbo boost 16lb did not wont to go any higher as i tow a 13 ft Jayco off road camper on the beach as well as travelling central Aus, top end etc ,didnt wont to over heat the tubo and manifold under constanst pulling on dirt and boggey roads, heaps of power to pass and very little tubo lage Hope to dyno soon