Anything to lighten them up.
Tempest Grill much lighter then GTO grills.
No lower headlamps either ramming in more air or just a few ounces off the front.
Bumper likely needed to meet Class requirements ?
Open scoop is definitely for MORE AIR
Love the No Nonsense, whatever works look.
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.