JB4 Tuner for 2019+ GMC Sierra 1500 2.7L Turbo - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Your shifter must match the

Your shifter must match the above to use our retrofit

What this means is that your OEM PCV system is not up to the task of the performance you are subjecting it to

The lightweight design enhances your driving experience with the perfect combination of style and comfort

All billet connections for both fuel line fittings and top-hat

Attempting to run Stage 2+ tuning files over 25psi with the stock downpipe can put excessive stress on your turbocharger and is not recommended

JB4 Tuner for 2019+ GMC Sierra 1500 2.7L Turbo - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Your shifter must match thePower gains of up to 85whp and 120wtq to the wheels on a stock truck without the risks of flashing! This plug and play tuner attaches to two easy to access sensors in your GMC Sierra engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. Installation is very discrete and unlike flash remaps which are quick to install but can never be fully removed with a JB4 the vehicle