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19 The final test of the day was to install a 3.875-inch blower pulley, which brought pushed boost pressure to a perfect 10 psi (okay, 9.9 psi). Basically this is how the kit is delivered by Kenne Bell to '11 Mustang owners. Run in this configuration (with the Kenne Bell tune supplied with the kit), the Ford Racing crate motor produced 704 hp and 549 lb-ft of torque. Check back with us next month as we subject the killer Coyote to even more abuse.