18 2013 Ford Mustang Gt500 Tuning Unleash The Beast
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15 The stock 2.8-inch pulley (right) is the size of a typical small aftermarket pulley. It allows the 2.3L TVS to pump out 12 psi of boost. To increase boost, VMP is offering a 2.4-inch pulley (PN VMP24-2013; $199.99). View Related Article
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