Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Get up to +37 hp and +51 lb-ft through a safe and easy to use tuning module from Racechip - Includes App control for easy tune swtiching via your smartphone
For 2019-2024 models with the Gen2 B46/B48 Engine only
Max gains of up to +26 HP and +36 lb-ft TRQ (Crank); +23 HP and +33 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4499651
Mfg#:
D440-0162
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$760.99
This product was last offered at the strikethrough price on 07-16-2026
Next-Gen Power Delivery with OEM-Level Integration - up to + 35 HP / + 45 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For early models with the Gen2 B46 engine (B46D / B46TU)
Next-Gen Power Delivery with OEM-Level Integration - up to +45 HP / +40 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For late models with the Gen3 B48 engine (B48P / B48TU2)
Get up to +51 hp and +46 lb-ft through a safe and easy to use tuning module from Racechip - Includes App control for easy tune swtiching via your smartphone
For 2025+ models with the Gen3 B48 Engine only
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
