Video: 13 HP Increase With Granatelli 2011 Mustang Coil Packs
Granatelli Motor Sports has included 2011-13 Ford Mustangs to their lineup of Coil-On-Plug Coil Packs, offering better fuel economy and performance. After installing their Hot Street Series Coil Packs, they were able to pick up 13 peak horsepower and 15 foot-pounds of torque.