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Making sure that your turbocharged engine doesn’t produce too much of a good thing, 2014-2017 blow off valves for your GMC Sierra serve as an automatic limiter on the air pressure inside your engine. Blow-off valves are set up to either electronically or mechanically open before pressure reaches a dangerous level, letting the extra air blast out rather than continuing on to possibly damage your truck’s turbocharger. AmericanTrucks offers a choice of finely made aftermarket 2007-2013 blow-off valves, constructed from top quality materials like aircraft grade aluminum alloy. Some release the air out of the system, while others recirculate it into the intake stream (which makes them quieter). Regardless, a good blow-off valve frees you to increase your truck’s boost higher than you could otherwise, because they create a safety mechanism to ensure the pressure won’t rise too far.

Fitment Includes

  • 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 GMC Sierra 1500
  • Classic, Nevada Edition, SL, Z71, Denali, SLE, 1500, and SLT Sierras
  • Engines: 4.3L Vortec V6, 4.8L Vortec V8, 5.3L Vortec V8, 5.3L Flex-Fuel Vortec V8 6.2L VVT Vortec V8, 4.3L EcoTec3 V6, 5.3L EcoTec3 V8, 6.2L EcoTec3 V8 Sierras

*Please see Sierra parts pages for any exceptions.

GMC Sierra 1500 Blow Off Valves