AFM disabler for GM V6 V8 engines - Chevy Silverado Suburban[Keep V6 & V8]AFM/DFM Disabler 5.3 Compatible with V6 & V8 active or dynamic fuel management motors(Cars, trucks and SUVs vehicle), Replace for RA003 AFM disable device; NOT compatible with 2019+ Silverado and Sierra with 5.3L/6.2L motors; NOT fit for 2022 Refresh model trucks or SUVs [ AFM/DFM Disabler]AFM Disabler allows your V6 or V8 GM vehicle to operate in full cylinder mode at all times, Provides more consistent power delivery and reduces throttle lag; Does not modify the factory ECU program, and has no traces of mods when removed [Plug and Play]Easy to install, and saves more time; After the range AFM disabler simply plugs into the OBD port, four lights will flash in turn, and only one light will be on when stable, then the DFM disabler is connected normally [Strong & Sturdy]AFM disabler suburban made of high-quality material, maintains stable performance under extreme temperatures and pressure; AFM disabler 5.3 Silverado comes with soft light LED bulbs, and will not hurt the eyes when driving at night For More Vehicles 2024 New Look AFM Disabler Suitable For More Vehicles the label words on the product are random, Cannot be chosen the specific words. The actual product may have slight differences or color differences. Colour:Black Material:plastic Package Contents: 1 x Disabler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.