JMS PedalMax eliminates throttle lag for all 11-15 mustangs. Great for those who don't want to tune yet and also those with tunes. Check out the link, explains most of it. $220 shipped
http://www.jmschip.com/pedalmax-2011...ford-vehicles/
http://www.jmschip.com/pedalmax-2011...ford-vehicles/