I think that in an effort to appeal to the masses, adding stripes would be something the new owner could do easily should they choose to do so. Leave it solid.
For example, I would be very tempted to add the shaker scoop to the hood as well...just like the Firebird in the movie Corvette summer...so stripes on the car could throw that off.
Trans-am with a twist... Check this link:
http://www.imcdb.org/vehicle_24184-P...s-Am-1971.html