Reviewed By john f (Stratford, CT) Reviewed for a 2010 Mercury Grand Marquis —12/14/2013 6:34 AM
Did download without any additional changes yet. Performance has increased. Also sounds better. Very easy to do.
Reviewed By Barry R (HICKORY, NC) Reviewed for a 2008 Chevy Silverado —7/21/2016 2:40 PM
Bought the tuner for 06 5.3 and it helped some but wasn't what I was looking for because I tow a 30ft camper.trader for 2500hd with a duramax and only installed first level so far,feels like I could tow 2 campers,what torque