Long Tube Tri-Y Headers w/ Y-pipes, 5.3L
2014-17 Chevrolet Silverado / GMC Sierra
2015-17 Suburban / Tahoe / Yukon
2015-17 Cadillac Escalade
Part# THY-352Y-L-C

Application notes: Will fit 6.2L engines, but fabrication to fit y-pipe outlet to exhaust system is required.

Header Style: 4:2:1 Long-Tube Tri-Y Header 
Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-3/4"
Primary Tube Gauge: 14 Gauge
Collector Attachment: 3 Bolt Flange
Collector Diameter: 2-1/2"
Tuned: No
Flange Thickness: 3/8"
Bolts and/or Studs Included: Yes
Gaskets Included: Yes
Reducers Included: N/A
Y-Pipe (Crossover) Included: Yes
Y-Pipe Inlet Diameter: 2-1/2"
Y-Pipe Outlet Diameter: 3"
Catalytic Converter(s) Included: No
Quantity: Sold as a Complete Kit
CARB E.O. #: THIS PART IS NOT C.A.R.B. APPROVED, IT CANNOT BE SOLD OR SHIPPED TO ANY RESIDENT OR ADDRESSEE IN CALIFORNIA AND CANNOT BE INSTALLED ON ANY EMISSION CONTROLLED VEHICLE.
Warranty: Limited Lifetime to original purchaser

This complete header kit makes huge increases in power output of your LS powered GM truck or SUV. The kit includes ceramic coated long tube tri-y headers and a complete performance y-pipe kit routing exhaust gases all the way to your exhaust system. Install these long tube headers today and feel your vehicle's true horsepower potential!