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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
reliability
J2534-1 partial
If you are unable to retrieve a stock readout
and harsh engine environments
- Knitted in one piece
17-23 L5P Transmission Tuning T93 T87A Support:4 Weeks reliabilityYou 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