JB4 Tuner for 2025+ Toyota 4Runner 2.4L Turbo (BETA) Optional Device:No Toyota Supra A90 3

Toyota Supra A90 3

All ARM Motorsports products come with a lifetime warranty

Retains trans pan gasket and fittings for a leak and trouble-free installation

leading to uncomfortable rides and costly repairs

Walbro 525

JB4 Tuner for 2025+ Toyota 4Runner 2.4L Turbo (BETA) Optional Device:No Toyota Supra A90 3The JB4 PRO is the newest, most advanced and highly featured tuning system available for your 2025 Present Toyota 4Runner 2. 4L. Power gains are up to 60hp to the wheels (75hp crank) on a completely stock car on pump gas, gains with bolt on parts, higher octane, E85 mixtures are even higher. The JB4 features a simple plug and play installation harness for easy installation & removal and includes many features not found with any other 4Runner tune.