Pay in 4 interest-free payments of $56.25 Learn more
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
garment-dyed fabric
not a bundle
Custom tuning for stock or modified fuel and air systems
2017–2019: 0–250 HP on stock fuel and air
Continue using the MPVI4 device
17-23 L5P Transmission Tuning T93 T87A Support:4 Weeks garment-dyed fabricYou will receive a follow up email after purchase to complete your order with your personalized information. 1719: T87A 2023: T93 HP Tuners Transmission Tuning for your 20172023 L5P Duramax HP Tuners sold separately! Both T87A and T93 TCMs must be unlocked before custom tuning can be flashed. FULL CUSTOM TUNING with LIFETIME SUPPORT Maximize the performance and lifespan of your L5P transmission with our custom tuning service. Perfect for heavy towing
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