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Power gains of up to 80whp / 100wtq with the 3L and 50whp / 60wtq with the 2L on a factory vehicle! The JB4 is a plug & play Acura tuner that attaches to two easy-to-access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performan...

Power gains of up to 60hp and 80tq to the wheels on a stock vehicle The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full SEN...

Power gains of up to 30whp and 40wtq to the wheels on a stock Nissan RougeThe JB4 performance tuner for the new 2022 Nissan Rogue 1.5T is plug and play and attaches to two easy-to-access sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for opt...

Gains are 125whp on pump gas and up to 260whp on higher octane or E85 mixtures.The ultimate tune for your 4.4L S68 powered BMW XM, X5M, & X6M. The JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not...