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7L owners who want better throttle response and more torque
Optimized for SOTF/DSP: Perfect for those looking to maximize their truck's tuning potential
Designed to improve airflow and reduce backpressure
With our latest update
Why Choose GDP TCM Tunes
DIESELR Signature Injector Connector (2017-2026 Duramax 6.6L L5P) c_ford 7L owners who want betterThe DIESELR Signature Injector Connector for the 20172026 6. 6L Duramax L5P is a precision built replacement interface for the factory injector wiring. It uses OEM style connectors and pins for a direct, factory style fit with no splicing or cutting required. Each unit is fully sealed against moisture, heat, and debris for reliable service in the engine bay. Manufactured in the USA for consistent fit and finish, and backed by a lifetime warranty.
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