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2002-2013 Truck and SUV's 4.8L - 5.3L Long Tube Design Off-Road Only Non-EGR THY-310Y-1-C

2002-2013 Truck and SUV's 4.8L - 5.3L Long Tube Design Off-Road Only Non-EGR THY-310Y-1-C

Your Price: $819.00
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Part Number:THY-310Y-1-C
  • Fits:2002-2013 Silverado / Sierra
  • Fits:2002-2013 Suburban / Yukon / Tahoe / Escalade / Avalanche
  • Fits:2003-2009 Hummer H2
  • Primary Tube Diameter: 1-5/8"
  • Primary Tube Gauge: 14 Gauge
  • Collector Diameter: 2-1/2"
  • Flange Thickness: 3/8"
  • Hardware, Gaskets and Y-Pipe Included
  • Made in the USA!
Headers for 2002-2013 Silverado / Sierra (no HD Models) and Suburban, Yukon, Tahoe, Escalade and Avalanche.  Also fits 2003-2009 Hummer H2.  Part numbers THY-310Y-1-C. These are set up for trucks equipped with the 4.8 or 5.3 Liter engines and are not CARB legal.


These Doug Thorley Tri-Y headers are constructed of 14-gauge tubing with 3/8-inch flanges to give you the best quality you can get in a header! Plus they are ceramic coated to give a lifetime of performance!