DOUG THORLEY 4:1 Shortie Headers, 1-3/4" x 2-1/2" (2014-2017 Silverado & Sierra 1500 5.3L & 6.2L V8)

These shortie headers are a fantastic way to work some extra horsepower out of your LS powered truck or SUV. A simple bolt-on installation will have you back out on the road in no time towing better and getting where you're going a little faster. All American made, and backed by our lifetime warranty of course!

Header Style: Shortie Headers
Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-3/4"
Primary Tube Gauge: 14 Gauge
Collector Attachment: Factory Flange Connection
Collector Diameter: 2-1/2"
Tuned: No
Flange Thickness: 3/8"
Hardware Included: Yes
Gaskets Included: Collector flange gaskets included, Re-use factory header gaskets
Reducers Included: N/A
Y-Pipe (Crossover) Included: No
Catalytic Converter(s) Included: No
CARB E.O. #: Pending approval (call for updates)
Warranty: Limited Lifetime to original purchaser