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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
like a somewhat delayed response and restrained acceleration
greasing not required
95-96 Models come with factory adapters but are crush bent
Our system works with all aftermarket ECUs
Carrying case with pouch for storing cables
Acura NSX 2017-2022 Science of Speed JB4 Tuning Box C8 like a somewhat delayed responseDESCRIPTION The JB4 Tuning Box allows you to extract 40 100 horsepower gains from your NSX! By intercepting engine pressure sensors and monitoring engine parameters through the factory CAN bus the JB4 Tuning Box intelligently increases engine output while maintaining the factory ECU's fuel, ignition, and engine safety strategies. PERFORMANCE: The JB4 Tuning Box increases horsepower by 40 to over 100 horsepower depending on the type of fuel used. 91
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