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AFM DFM Disabler Active Fuel Management Compatible GM V6 V8 5.3 6.0 6.2 Silverado Sierra Tahoe

AFM DFM Disabler Active Fuel Management Compatible GM V6 V8 5.3 6.0 6.2 Silverado Sierra Tahoe

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Kohl's price tracker

14-day low
$52.24
Sep 21 · Kohl's
Best price
$52.24
−5% vs high
14-day high
$54.99
All stores
$55$54$52
Sep 13Sep 26
  • Kohl's
Lowest in 14 days: $52.24 at Kohl's. Highest: $54.99. Current best is 5% below the 14-day high.

About this product

The towncat AFM DFM Disabler is a plug-and-play automotive device designed for GM V6 and V8 engines, including models like the Silverado 1500, Tahoe, Sierra, Yukon, and Escalade. It deactivates Active Fuel Management (AFM) and Dynamic Fuel Management (DFM), enabling full-cylinder operation for smoother power delivery and improved throttle response. The device installs directly into the OBD II port without tools or professional assistance and can be removed at any time to restore factory settings. Built with durable materials, it supports consistent performance during daily driving and long trips. Not compatible with 2019+ Silverado and Sierra models featuring 10-speed transmissions.

  • Plug-and-play installation
  • Compatible with GM V6/V8 engines
  • Disables AFM and DFM
  • No permanent modifications
  • Works with Silverado, Tahoe, Sierra
  • Removable for factory reset

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AFM DFM Disabler Active Fuel Management — Price History