Steel Long Tube 4 To 1 Exhaust Headers with Resonators by Doug Thorley Headers®. Collector Outlet Diameter: 3". Header Style: Long Tube. 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, Doug's built them using industry leading 14-gauge steel tubing with 3/8" thick flanges. Topping all of that off, Doug's headers come beautifully ceramic coated to greatly reduce surface temperatures and protect them from the environment. All 100% American made, and backed by Doug's lifetime warranty. Install these headers today and feel your vehicle's true power potential! Doug's headers are designed to outflow your stock exhaust manifolds by leaps and bounds. Their headers 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.
Header Style: 4:1 Long-Tube Header with 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
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
Warranty: Limited Lifetime to original purchaser
Features
High quality at an affordable price
Expertly made from premium materials
Built to match your exact requirements
Doug's Long Tube Headers replace restrictive stock exhaust manifolds with long primary tubes designed to dramatically increase the flow of exhaust gasses, and reduce power robbing back pressure within the exhaust system. Allowing the engine to breathe more freely improves power and efficiency, making Doug's Long Tube Headers one of the most cost-effective modifications you can make to your vehicle.
The Long Tube Header is perfect for any high performance street or strip application. Each header is constructed from thick wall steel, and all come finished with Doug's beautiful ceramic coating for long-lasting performance.
For over 50 years, Doug Thorley Headers has been an innovator in the automotive aftermarket. Driven by a passion for performance and superior quality, they are committed to developing 100% American-made products that will reliably deliver maximum horsepower and torque. Doug Thorley Headers® has been pushing the limits of automotive technology since they first invented the Tri-Y header in 1958, and they do it all on American soil.
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Doug Thorley Headers® THY-325-C - Steel Long Tube 4 To 1 Exhaust Headers with Resonators
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