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Sales & Service Hours

Customer Service

  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed

Returns

  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed

Sales

  • Monday to Friday: 7am - 10pm CST
  • Saturday: 8am - 8pm CST
  • Sunday: 8am - 10pm CST

DiabloSport Marathon M1000

Product Information
List Price:
$233.68
Our Price:
$199.95
Part #:
M1000
Applications:
  • Not legal for sale in California or other states adopting CARB emission standards
Add to Cart
Ships Mar 27th - 29th

Description

  • Compatible with GM Vehicles with Active Fuel Management
  • Drops Cylinders to conserve fuel
  • Save fuel by keeping vehicle in AFM mode 80% of the time versus factories 35%
  • Easy install, plugs into OBDII port

Getting great gas mileage in your truck is easy to achieve with a DiabloSport Marathon! This bad boy uses your existing Active Fuel Management to its fullest extent, by having you truck run on its cylinders 80% of the time. That is an insane percentage, being with stock the AFM is running on your cylinders only 35% of the time

DiabloSport Marathon will be saving money left and right. It installs simply by plugging into the OBDII port within a matter of minutes! So if you like saving money and getting great gas mileage, then the Marathon is for you. So what are you waiting for? Get yours ordered today!

View Available Part Numbers For This Product Line

Fits

  • 2005-2007 Buick Rainier 5.3L V8
  • 2006-2007 Buick Terraza 3.9L V6
  • 2010-2016 Cadillac Escalade 6.2L V8
  • 2007-2013 Chevy Avalanche 5.3L V8
  • 2007-2009 Chevy Avalanche 6.0L V8
  • 2010-2013 Chevy Avalanche 6.2L V8
  • (2010) Chevy Camaro 6.0L V8
  • 2011-2016 Chevy Camaro 6.2L V8
  • 2012-2016 Chevy Corvette 6.2L V8
  • 2006-2009 Chevy Impala 5.3L V8
  • (2007) Chevy Impala 3.9L V6
  • 2006-2007 Chevy Malibu 3.9L V6
  • (2006) Chevy Silverado 1500 5.3L V8
  • (2007) Chevy Silverado 1500 Classic, 5.3L V8
  • (2007) Chevy Silverado 1500 Classic, 6.0L V8
  • (2007) Chevy Silverado 1500 New Body, 5.3L V8
  • 2008-2015 Chevy Silverado 1500 5.3L V8
  • 2008-2009 Chevy Silverado 1500 6.0L V8
  • 2010-2016 Chevy Silverado 1500 6.2L V8
  • 2014-2016 Chevy Silverado 1500 4.3L V6
  • 2007-2016 Chevy Suburban 5.3L V8
  • 2007-2009 Chevy Suburban 6.0L V8
  • 2010-2016 Chevy Suburban 6.2L V8
  • 2015-2016 Chevy Suburban 4.3L V6
  • 2007-2016 Chevy Tahoe 5.3L V8
  • 2010-2016 Chevy Tahoe 6.2L V8
  • 2015-2016 Chevy Tahoe 4.3L V6
  • 2006-2009 Chevy Trailblazer 5.3L V8
  • 2006-2008 Chevy Uplander 3.9L V6
  • 2005-2009 GMC Envoy 5.3L V8
  • (2006) GMC Sierra 1500 5.3L V8
  • (2007) GMC Sierra 1500 Classic, 5.3L V8
  • (2007) GMC Sierra 1500 Classic, 6.0L V8
  • (2007) GMC Sierra 1500 New Body, 5.3L V8
  • (2007) GMC Sierra 1500 New Body, 6.0L V8
  • 2008-2016 GMC Sierra 1500 5.3L V8
  • 2008-2009 GMC Sierra 1500 6.0L V8
  • 2010-2016 GMC Sierra 1500 6.2L V8
  • 2014-2016 GMC Sierra 1500 4.3L V6
  • 2007-2016 GMC Yukon 5.3L V8
  • 2007-2009 GMC Yukon 6.0L V8
  • 2010-2016 GMC Yukon 6.2L V8
  • 2015-2016 GMC Yukon 4.3L V6
  • 2010-2014 GMC Yukon XL 6.2L V8
  • 2011-2016 GMC Yukon XL 5.3L V8

Warranty

1 Year Warranty

DiabloSport warranties the Marathon for 1 year. This warranty protects against manfuctureres defects and workmanship. If you have any other question please call out amazing customer service.


Installation

This install is as easy as them come with no tools needed and easy step by step instructions. All you have to do is plug your DiabloSport Marathon active fuel management  device in to the OBD-II port. If you have any other questions please give us a call at 877-216-5446.