Forum Discussion
Grit_dog
May 24, 2018Navigator
Exh brake is bolt on for your truck. Air is handy for air bags and bike tires, etc.
if you're really at 500hp I'm surprised you don't have upgraded valve springs.
It's a great addition.
if you're really at 500hp I'm surprised you don't have upgraded valve springs.
It's a great addition.
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