It all depends on your budget. The Legendary covers are really great if you have the extra money, but the PUI ones will work nicely as well. It's really in how much you want to spend.
Trans Ams and Firebirds were dramatically redesigned up front for 1977. The new fascia was comprised of a single piece of flexible Reaction Injected Molded urethane, which replaced the previous year's separate Endura bumper and fiberglass header panel. According to Pontiac, "Sandwiched between...