Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Flowtech 1-7/8-Inch Shorty Headers; Black Painted (03-13 6.0L Silverado 1500)Find parts that fit my vehicle
Item S143978
Our Price
$531.95 pair
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$26.60 Available in AT Cash Rewards.
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
- Heavy-duty 16-gauge tubing for increased strength and durability
- Smooth transition, 1-7/8” diameter primary tubes enhance exhaust flow, increasing performance and improving throttle response
- OE-style 2-1/2” collector connects to factory exhaust head pipe with no cutting or welding
- TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
- Premium aluminum header gaskets included
- Coated in high heat resistant black paint
- Headers are a must upgrade if you are using a cold air intake, cat-back exhaust system, or tuner
- Air injection tubes not included
- Bolt size is M8 x 1.25 x 25 mm
- Bolts included
- Catalytic converter quantity zero
- Collector attachment 3-bolt flange, ball and socket flange
- Collector diameter 2.50 inches
- Design is shorty
- Drive compatibility 2WD, 4WD
- Emission code 4
- Engine compatibility GM Gen III/IV LS
- Flange thickness 0.375 inches
- Gasket or seal included
- Grade type performance
- Header series shorty
- Material mild steel
- Mounting hardware included
- No oxygen sensor port
- Port shape round
- Primary tubing diameter 1 7/8 inches
- Quantity sold as pair
- Sheen level satin
- Sub category exhaust manifolds
- Tube wall thickness 16 gauge
- Fits 2003-2013 Chevy/GMC Silverado, Tahoe, Yukon 6.0L LS V8
| Brand | Flowtech |
| Headers Type | Shorty Headers |
| Header Primary Size | 1.76-2.00 Inch |
| Header Collector Size | 2.50 Inch |
| Header Finish | Painted |
Description
Performance Exhaust Upgrade. The Flowtech 1-7/8-Inch Shorty Headers with black paint coating are designed to improve exhaust flow and increase throttle response. Ideal for LS engine swaps and stock V8 6.0L applications, these headers provide measurable power gains. They are essential for use alongside cold air intakes, cat-back exhaust systems, or tuners.
Construction and Appearance. Crafted from heavy-duty 16-gauge mild steel with mandrel-bent primary tubes, these headers ensure smooth airflow. The smooth transition 1-7/8-inch diameter tubing is coated with a durable high heat resistant black paint for corrosion resistance. TIG-welded, machined 3/8-inch header flanges provide a leak-free seal and maximum strength.
Installation. These headers offer a direct bolt-on fit with no cutting, welding, or drilling required, simplifying installation. They fit both 2WD and 4WD drivetrains.
Application. Designed to fit 2003 to 2013 Chevy and GMC Silverado, Tahoe, and Yukon equipped with the 6.0L GM Gen III/IV LS V8 engine. Compatible with both 2WD and 4WD configurations.
Flowtech 11143FLT
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) Shorty Headers
4.3
Reviews of Flowtech Exhaust Products (30)
Questions & Answers
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Will It Fit My Silverado 1500
- 6.0L V8 - 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
