buy this, http://www.ebay.com.au/itm/K-N-Performance-Cold-Air-Intake-Kit-Typhoon-Toyota-CAMRY-VENZA-V6-3-5L-07-11-/190699505215?_trksid=p3284.m263&_trkparms=algo%3DSI%26its%3DI%26itu%3DUCI%26otn%3D21%26pmod%3D300749857612%26ps%3D54 then get your local exhaust shop to fit some triple flow mufflers.