An affordable mod for your Infiniti G35 would be the black projector headlights like the one shown above. They are designed to fit a 2003-2005 Infiniti G35 2 Door Coupe with stock HID ONLY (does not fit Halogen Type).
The black projector headlights meet or exceed the DOT & SAE Standards. Direct OEM Replacement with No Modifications Needed. The set is a new aftermarket part, which includes both driver & passenger side headlights. Grab yourself a set for only $259.99 plus FREE Shipping!
Manufacturer Part Number: 02-AZ-IG03-PBC-HID-RF-2D