hulk

i have 502 rhs motor in my c0 z06 2006 but its doesnt made just 540 rwhp and 503ewtq i have 102 fast now but i heard that i have to change the intake and go for bigger cam but i dont know wgich intake is the best the metal sheet intake not recomended for out climate in uae here is my motor spec:
RHS Aluminum tall deck block (9.750" deck height)
Callies Billet steel 4.625" stroke crankshaft
Callies 6.340" H beam rods w/ARP 2000 7/16"
Wiseco forged nitrous pistons
Total Seal stainless chrome top
ARP main studs
All Pro LS7 CNC ported cylinder heads (420+ cfm)
REV hollow stem 2.200 int., 1.600" stainless exh. valves,
Manley Nex Tek Hyd. roller dual valve springs
ls1 camshaft Cam Motion custom Hyd roller LSX camshaft (quiet idle cam 238
246 dur. @ .050" .649" .638" on a 114 LSA in @ 110 ICL)
Timing chain Comp Cams double roller timing set w/ torington bearing &
nitrided gears.
Morell Tie Bar Hyd. roller lifters for RHS block
GM LS7 oil pump
Cometic MLS head gaskets
ARP 2000 Pro series 12pt head studx
Smith Bros thick wall one piece chromoly pushrods
Jesel Pro Series shaft mount adjustible roller rockers
Power Bond SFI balancer
FAST LSXR 102mm intake manifold w/ 102mm DBW throttle body
FAST fuel rails for LSXR intake 65lb fast injectors
1 7/8 kooks headers direct modified stock mufflers