Required with the OBD2 test is a visual inspection as well. Now how thorough that tech is is another issue. Some techs are way picky, others not so much. Technically any modification to the intake or exhaust systems is illegal...it's a federal thing.
2011 GT, MT6, Brembo, 401a, 3.73, Heart Throb H mid, Borla axle back, Hurst, Barton 2post, Michelin Super Sports, CDC chin spoiler, drilled rotors, Redline DCTF. 2013 GT500 Rear rotors and adapters, EDC red stuff, Energy Suspension <acronym title="transmission">trans