Fits: 2017-2021 GMC/Chevrolet w/6.6L L5P Duramax
HP Tuners has been working hard and has released their new 6-position switch for the L5P to be used with their ECU. This gives you a completely stock setting and then 5 upgraded settings for full modifiability of driving for your truck!
Part Number: H-M04-00
- 5’ OBDII pass-through cable
- Knurled aluminum switch knob and position dial
- Six-position rotary switch
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