Here is the New Jersey Law. Go darker and that will give any police officer probable cause to pull you over.
New Jersey Window Tint Law - WindowTint.com
*** Please be aware the NJ DMV Inspection Stations use a widow film meter to test the window film during your cars inspection. If these guidelines are not followed you car will FAIL THE INSPECTION.
2013 Silver V6 Premium, Ford Racing Handling Package, MGP Black Caliper Covers, Airaid CAI, Bama Tuner, BBK Catted X-Pipes, Corsa Sport Axle-Back Exhaust, Alum One Piece Driveshaft, BBK Ceramic Shorties, Whiteline Adj. UCA, Whiteling ADJ. Lower Control Arms, Whiteline Adj. Pan Hard Bar, Upgraded Rotors (Cross Cut and Drilled), Ceramic Pads, J&M Stainless Steel Brake Lines (Front and Back), 18" Staggered Chrome Bullitts, MMD Eleanor Side Scoops, Side Scoops, Roush Front and Lower Grilles and Super Snake Stripes.