Ford Mustang Forum - View Single Post - 9,000 miles later, Bullitt is still cookin'!
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post #21 of (permalink) Old 09-16-2008
05 diablosport
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Joined: Apr 2007
Location: San Antonio
Posts: 153
I just took my 08 BULLITT 4570 to the dealer for the same whining problem, they added friction modifier to the pumpkin and there is NO more noise. Sounds like 3.73's have this issue.

2011 Mustang GT: Brembo brake pkg, 401A, Hids, 3.73's. Flowmaster Hushpower AB, Lethal o/r H pipe, K&N air filter, SCT tuner, FRPP strut tower brace, Steeda lca's, BMR uca & mount, 55D lowering springs, RTR wheels w nt555 extermes
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