fullstrokeskyline

anyone ?

Hi all ... Im new here .. but i love this forum .. has been a help in the past . I own a modified gtr 34.. it has a full tomei 2.8 Stroker kit, mild porting on head, Hks gt-rs turbos , Hks 264 camshafts. Hks fuel line , Hks fuel pump, Hks oil pump, Hks 1000cc injectors, Hks 1.2 gasket , Mines front pipe , Apexi exhuast ,Greddy intercooler, ARC box filter , Exedy twin clutch and a greddy oil pan . . and its tuned by a motec m600 ... i have some problems which no one can help me with ..my car is really loud, i dnt know if its from the front pipe or the exhaust ... guess i need a quiter setup ... second the greddy oil pan is really low, cracked it before and i think ill crack it again . and i would like to change the camshafts .. would like a softer one ..will the oem camshaft work on this setup ? .... So these are my problems for now and wish if anyone could help 1. I need a really quite exhaust setup 2. do i need to have a larger oil pan ? ( im a steet user only ) no circuits 3. are there any softer camshafts or will the oem ones work fine with the stroker ?