DOUG THORLEY 4:1 Long Tube Headers, 1-3/4" x 3" (GM LS)

Get the most out of your LS powered sand rail by installing these quality 4:1 long tube headers that include louvered resonators! To make these headers last, we built them using industry leading 14-gauge steel tubing with 3/8" thick flanges. Topping all of that off, our headers come beautifully ceramic coated to greatly reduce surface temperatures and protect them from the environment. All 100% American made, and backed by our lifetime warranty. Install these headers today and feel your vehicle's true power potential!

Header Style: 4:1 Long-Tube Header w/ Resonators
Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-3/4"
Primary Tube Gauge: 14 Gauge
Collector Attachment: N/A
Collector Diameter: 3"
Tuned: No
Flange Thickness: 3/8"
Bolts and/or Studs Included: No
Gaskets Included: No
Reducers Included: N/A
Catalytic Converter(s) Included: No
Quantity: Sold as a Pair
CARB E.O. #: NOT LEGAL FOR USE STREET USE ON POLLUTION CONTROLLED VEHICLES
Warranty: Limited Lifetime to original purchaser