2020-2026
2015-2019
2007-2014
2001-2006
Installation Time
(approx) 5 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Find Headers for your Silverado 2500
Flowtech 1-3/4-Inch LS Turbo Headers; 304 Stainless; Natural Finish (Universal; Some Adaptation May Be Required)
Item HS70227
Our Price
$409.95 pair
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$20.50 Available in AT Cash Rewards.
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- _x000D_
- Flowtech Headers Offer an Excellent Balance of Quality and Value _x000D_
- These 4 To 1 LS Turbo Headers Are Available In 1-3/4 Inch And 1-7/8 Inch Tube Diameters, Designed For A Compact Package That Allows Multiple Configurations To Be Used As A Universal Fit Turbo Header _x000D_
- CNC Mandrel-Bent Tubes Maintain Consistent Diameters For Smooth Exhaust Flow, Enhancing Cylinder Scavenging And Engine Breathing _x000D_
- Heavy Duty 16-Gauge 304 Stainless Steel Tubing With Polished Finish Provides Increased Strength And Durability _x000D_
- 1-3/4 Inch And 1-7/8 Inch Tube Diameters Increase Exhaust Flow, Boosting Performance And Throttle Response _x000D_
- 3 Inch Collector Ensures Maximum Strength And Efficient Exhaust Flow _x000D_
- 7/16 Inch Thick Header Flange Offers A Leak-Free Seal And Robust Construction _x000D_
- Premium Aluminum Header Gaskets Included _x000D_
- 3 Inch V-Band Flanges And Clamps Included For Secure Collector Attachment _x000D_
- Available In Multiple Finishes Including Polished _x000D_
- Air Injection Tubes Are Not Included _x000D_
- Bolt Size M8 x 1.25 x 25mm (Bolts Not Included) _x000D_
- Not CARB Compliant; Intended For Race Use Only _x000D_
- No Catalytic Converters Included _x000D_
- Category: Exhaust _x000D_
- Collector Attachment: V-Band _x000D_
- Collector Diameter: 3 Inches _x000D_
- Gasket Or Seal Included _x000D_
- Engine Fitment: GM Gen III And IV LS Engines _x000D_
- Finish: Polished _x000D_
- Material: 304 Stainless Steel _x000D_
- Part Type: Exhaust Header _x000D_
- Quantity Sold As A Pair _x000D_
- Tube Material: 304 Stainless Steel _x000D_
- Fits Universal; Some Adaptation May Be Required For Specific Turbo Configurations _x000D_
| Brand | Flowtech |
| Headers Type | Shorty Headers |
| Header Primary Size | 1.50-1.75 Inch |
| Header Collector Size | 3.00 Inch |
| Header Finish | Raw |
Description
Precision Turbo Headers. The Flowtech 1-3/4-Inch LS Turbo Headers in 304 stainless steel with a polished finish are engineered to optimize exhaust flow and enhance engine performance in turbocharged applications. These headers improve engine breathing and scavenging, resulting in increased horsepower and improved throttle response. Built for versatility, they can be configured in multiple orientations to fit a variety of turbo setups effectively.
_x000D__x000D_Construction and Appearance. Crafted from heavy-duty 16-gauge 304 stainless steel tubing, these headers feature a polished finish for durable corrosion resistance and an attractive appearance. CNC mandrel bending ensures consistent tubing diameters for smooth exhaust flow. A thick 7/16-inch header flange and a 3-inch collector with V-band flanges provide strength and a secure, leak-free seal.
_x000D__x000D_Installation. Installation requires moderate mechanical skill and basic tools. These headers are designed for universal fit with adaptable configurations to accommodate various turbo setups without drilling.
_x000D__x000D_Application. Fits GM Gen III and IV LS engines with some adaptation required for specific turbo configurations and setups.
Flowtech 11539FLT
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) Headers
- (2) Gaskets
- (2) Clamps
- (2) V-Band Flanges
Questions & Answers
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