The Sniper 2 Transmission Control Kit adds electronic transmission control functionality to a Sniper 2 EFI system via the M8 CAN connection. Upshifts, downshifts, and torque converter lockup are based on vehicle speed and throttle position (or optionally a MAP sensor), and are adjustable through the existing Sniper 2 touchscreen (not included).
Specifications:
- Application: Sniper 2
- Make: GM and Ford
- Tuning performed through an LCD touchscreen (not included)
- Tunes upshifts, downshifts, and wide-open throttle (WOT) shift points
- Full programmability of torque converter lockup and transmission line pressure (shift firmness)
- Controls and layout interface mirror Dominator and Terminator X Max ECUs (except no paddle shift)
- Part Number: 551-103
Controls conventional electronic 4-speed transmission applications; Ford AODE/4R70W and GM 4L60/70/80E transmission-specific harnesses are sold separately (558-405 for GM 4L60/70/80E, 558-455 for 2009+ GM 4L60E, 558-470 for 1998+ Ford 4R70W/4R75W, 558-471 for 1992-1997 Ford AODE/4R70W). A MAP sensor is needed if using MAP for line pressure, typically on forced induction applications. Not compatible with 4WD installations.
FAQ
Does the 551-103 include a touchscreen for tuning?
No, tuning is performed through your existing Sniper 2 LCD touchscreen, which is not included with this controller.
What transmissions does this kit support?
Ford AODE and 4R70W and GM 4L60/70/80E transmissions, using harnesses sold separately for each specific application.
Is this compatible with 4WD vehicles?
No, this product is not compatible with 4WD installations.
Do I need a MAP sensor for this controller?
A MAP sensor is needed only if using MAP for line pressure, which is typically required on forced induction applications.

