Success: You have added JB4 B58/B48 Performance Tuner - WiFi Adapter Included to your shopping cart!
JB4 performance tuner for B58 and B48 engines. Includes WiFi adapter and tuner app. Increased torque and boost. Unlock your vehicle's hidden potential with this JB4 tuner. Significantly improves throttle response and acceleration. Includes everything needed for installation and tuning.
| Category | Toys & Collectibles > Vintage & Antique Toys > Cars |
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