Hey guys just wondering a rough estimate on hp gains previous dyno figures showed 230rwhp without the twin system running a haltech ecu
with all this work what would be gains ???

fresh rebuilt Vs 5.0l

cam, flat top pistons 10.1 comp

pacemaker extractors twin 2.5inch exhaust with twin high flow cats

38lb injectors 500hp intank fuel pump

4x throttle bodies edelbrock efi high rise manifold ..

Stock ecu custom tune.