JB4 for Ford Mustang 2.3L EcoBoost Choose model year:2024+ Ford Mustang EcoBoost® 2.3L 4 cyl. Our popular BMS wheel spacer

Our popular BMS wheel spacer kits already come with 10 black extended bolts needed to add spacers

Installation is very discrete and unlike flash remaps

⚠️ NOTE: May interfere with front parking sensor on some equipped models

The JB4 is a full plug and play device that installs and removes in minutes at home without special tools and unlike flash maps that permanently write over your DME with the JB4

NGK Laser Iridium spark plugs are the best combination of performance and longevity

JB4 for Ford Mustang 2.3L EcoBoost Choose model year:2024+ Ford Mustang EcoBoost® 2.3L 4 cyl. Our popular BMS wheel spacerPower gains of up to 60whp and 100wtq on a factory 2. 3L Mustang without the risks of flashing! The JB4 is a plug and play 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 performance and reduced turbo lag. Now includes the JB4PRO adapter and free app built in! Installation is very discrete and unlike flash remaps, which are quick to install