The advantage of aluminum would be how light it is. Install / Removal of a original bumper takes two guys to muscle it off.
Although the original bumper is tough!! I had a wreck a few months ago and slammed into the back of a camaro on the highway, and everything but the bumper was crushed on the front end. The bumper just kinda hit the car, took the impact and kept on pushing the camaro foward.
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74 TA 455
65 Black on Black Tripower GTO
(Factory Tripower, 4:33 gears, radio delete,)
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