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Diablosport Marathon Active Fuel Management Module (07-18 6.0L Sierra 3500 HD)Find parts that fit my vehicle

Item SHG10447
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AmericanTrucks no longer carries the Diablosport Marathon Active Fuel Management Module (07-18 6.0L Sierra 3500 HD). Please check out 2001-2006 GMC Sierra 3500 Tuners for an updated selection.
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    Product Information

    Description, Q&A, Specs & Installation

    Description

    Description. The DiabloSport Marathon Module helps you get better fuel mileage by enabling your V8 engine to behave like a four-cylinder engine when cruising, while still allowing for full V8 power when you need it.

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    Tech Specs

    4.7

    Reviews of Diablosport Tuner Products (500+)

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