2025 Duramax Tuner. The best tuner to recalibrate your duramax engine should be one that makes you happy and meets your needs. Shop our patented cold air intakes, diesel tuners, exhaust systems, throttle controllers, boost tubes, and more.
The edge insight cts3 serves as the gateway to unlocking the full potential of the 2025 gm duramax diesel. Gm’s new l5p duramax was a huge step forward in diesel technology!