Project Audi S4 Part 1: Wheels, Tires and Brakes
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Although the 11.4-lb calipers (including pads) house two more pistons, and are larger than stock, they're still outweighed by the S4's stock calipers, a hefty 14.5 lb. As a result, Project S4 lost a total of 13.2 lb from the front brakes alone (6.6 lb per corner). View Related Article
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