I had the same problem and bought this piece from amazon http://www.amazon.com/SendStation-PD...3724135&sr=1-2
and it fixed all my problems. No more static and it also charges the phone.
Still have full control over changes songs etc on iphone/ ipod
Installed:Cobb AP, AR Kittyless, Vanguard V2, ETS 7'' FMIC, BMS DCI, BMS OCC, Rob Beck PCV 2 Fix, ST V1 Coilovers, BBS LM reps, Hankook V12 Evo...SWS 8, RF P-300 Amp, Technic
Soon:New SNAIL, Wavetrac/Quaife, M3 Bushings