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Flowtech 1-7/8-Inch LS Turbo Headers; 409 Stainless; Natural Finish (Universal; Some Adaptation May Be Required)

Item CC47447
Our Price

$306.95 pair

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

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      • LS Turbo Headers Up And Forward 1-7/8" 409SS GM 4.8/5.3/6.0L V8 Natural Finish
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      • Legal For Sale Or Use On Racing Use Only Vehicles
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      • Compact Package Design Allows Various Configurations: Up And Forward, Down And Forward, Or Down And Back
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      • CNC Mandrel-Bent Tubes Provide Consistent Diameters For Smooth Flow And Improved Cylinder Scavenging
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      • Heavy Duty 16-Gauge 304SS And 409SS Tubing For Increased Strength And Durability
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      • Available Tube Diameters: 1-3/4” And 1-7/8” For Improved Exhaust Flow And Throttle Response
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      • 3” Collector For Maximum Strength And Exhaust Flow
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      • 7/16” Thick Header Flange Ensures Leak-Free Seal And Maximum Strength
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      • Includes Premium Aluminum Header Gaskets
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      • Includes 3” V-Band Flanges And Clamps
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      • Finish Options Include Natural, Black Painted, Ceramic Coated, And Polished
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      • Does Not Include Air Injection Tubes Or Mounting Hardware
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      • Cylinder Head Flange Thickness Is 7/16”
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      • Collector Diameter Is 3.00 Inches
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      • Header Style Is Turbo With Shorty Design
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      • Tube Material Combines 409 Stainless Steel And 304 Stainless Steel
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      • Sold As A Pair With Semi-Gloss Sheen Level
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      • Does Not Include Bolts Or Oxygen Sensor Ports
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      • Fits GM Gen III/IV LS Engines In 4.8, 5.3, 5.7, 6.0, 6.2, And 7.0 Liter Configurations
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      • Fits Universal; Some Adaptation May Be Required; Not Legal For Emissions Controlled Vehicles
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      Description

      Performance Exhaust Headers. The Flowtech 1-7/8-Inch LS Turbo Headers feature 409 stainless steel construction with a natural finish, optimizing exhaust flow for GM LS engines and enhancing engine breathing and throttle response. Engineered specifically for turbocharged applications, these headers improve cylinder scavenging and boost overall engine performance in racing environments where emissions compliance is not required.

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      Construction and Appearance. Built from heavy-duty 16-gauge 409 stainless steel tubing combined with select 304 stainless steel components, these headers utilize CNC mandrel-bent tubes to maintain consistent internal diameters for optimal exhaust flow. The natural finish offers a semi-gloss silver appearance that highlights the durable stainless steel while providing resistance to corrosion and heat damage.

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      Installation. Requires moderate mechanical skill and may need some adaptation depending on the turbo setup. These headers do not require drilling for installation and include premium aluminum header gaskets and 3” V-band flanges and clamps for a secure, leak-free connection.

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      Application. Designed to fit GM Gen III/IV LS engines, including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L V8 configurations. These headers are intended for racing use only and are not compliant with emissions regulations, making them unsuitable for street-driven vehicles.

      Flowtech 11537FLT

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 3 Hours

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (2) Turbo Headers

      Questions & Answers

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