Long Tube Tri-Y Headers with Y-pipes, 4.8L-5.3L-6.2L
2002-13 Chevrolet Silverado / Suburban / Tahoe
2002-13 GMC Sierra / Yukon
2002-13 Cadillac Escalade
2003-09 Hummer H2
Part# THY-310Y-1-C

Header Style: 4:2:1 Long-Tube Tri-Y
Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-5/8"
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
Adapters/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 AND CANNOT BE SOLD OR SHIPPED TO ANY RESIDENT OR ADDRESSEE IN CALIFORNIA AND CANOT BE INSTALLED IN ANY EMISSION CONTROL VEHICLE IN CALIFORNIA. NOT LEGAL FOR STREET USE ON POLLUTION CONTROLLED VEHICLES
Warranty: Limited Lifetime to original purchaser

This complete header kit makes huge increases in power output of your LS based GM truck or SUV! Backed by over 50 years of knowledge and experience, our headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Tri-Y (or 4 into 2 into 1) style headers by design will increase the power of your motor across the widest RPM band possible. That is the beauty of the design, and that is why they are the best street header available. To make these headers last, we built them using industry leading 14-gauge tubing with 3/8" thick flanges. To top all of that off, our headers come beautifully ceramic coated to greatly reduce under-hood temperatures and protect the headers from the environment. All 100% American made, and backed by our lifetime warranty. Install these long tube headers today and feel your vehicle's true power potential!