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Superchips Amp'D Performance Tuner for GM Diesel EFI Programmers

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2 part numbers · from $299.95
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from $299.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Superchips Amp'D 2.0 performance tuner is a throttle sensitivity booster (also called a pedal controller or throttle response controller) for GM diesel trucks. It removes the delayed, dead-pedal feel of a stock accelerator. You choose how quickly the engine responds to pedal input. It works with stock or modified vehicles.

Key Features:

  • Increases accelerator pedal response compared with stock
  • Reduces dead pedal feeling (acceleration lag)
  • 5 preset throttle curves
  • Customizable throttle curve slots, so you can build your own response profile
  • Wireless Bluetooth remote switch, so you don't have to mount a controller or switch on the dash
  • Smartphone app for Android and iOS to adjust and fine-tune throttle curves
  • Helps turbocharged engines build boost sooner
  • Easy installation with no permanent modifications
  • C.A.R.B. EO #D-802-15

Use a softer curve for smooth daily driving, or a sharper one for towing and spirited performance. Superchips is a Holley Performance brand with decades of experience in performance tuning technology. The Amp'D 2.0 is available in variants for different model-year ranges of GM diesel trucks.

Select yours to see vehicle-specific options.

Select & Customize

2 items

$299.95
PART NUMBER: 28867-D2
In Stock (10+)
Usually delivered within 2 days
$299.95
PART NUMBER: 28866-D2
In Stock (10+)
Usually delivered within 2 days

Select & Customize

Easy to order..

Henry was fantastic

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Good information and ease of ordering.

Autoplicity had the best price by far on this item i've been searchin for so my shoppin experience with autoplicity was great

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