SCT tuner for V-10 Ford - $75 (Canyon Country)

Ultra Power custom programming Eliminates downshifting and high RPM, s Increases Horsepower and torque improves throttle response increases fuel efficiency same as a Banks power system.
Make that motorhome move the right way better and easer to work while driving it's for a V-10 ford two valve Moter 2002 to 2005 motorhomes or cargo trucks you can program your own tune and go back to stock tune when you want, about a 10 hp increase and 3 miles per gal.
Complete package ready to install, and back to stock tune when you want 10-minute job.
This unit sells for about $500.
00 if you can get to California.