Description
Performance Upgrade. The Flowtech 1-7/8-Inch Shorty Headers; Black Painted are designed to enhance exhaust flow and improve throttle response for automotive enthusiasts looking to upgrade their vehicle’s exhaust system. These headers optimize performance by providing smoother exhaust gas evacuation, which is essential for vehicles equipped with a 6.0L LS V8 engine, especially during engine swaps and performance builds.
Construction and Appearance. Crafted from durable mild steel with heavy-duty 16-gauge tubing, these headers feature mandrel-bent tubes for consistent diameter and smooth exhaust flow. They include a TIG-welded, machined 3/8” header flange and come coated in a high heat-resistant black paint, offering both strength and a satin finished appearance that resists heat and corrosion.
Installation. Installation is straightforward and requires no cutting or welding, as the OE style collector fits directly to the factory exhaust head pipe. This makes the upgrade process accessible for most professional installers and experienced enthusiasts without the need for additional modifications.
Application. Designed to fit 2003 through 2013 Chevy and GMC Silverado, Tahoe, and Yukon 2WD/4WD models with the 6.0L LS V8 engine, ensuring proper fitment and compatibility across this range of vehicles without modifications.
Flowtech 11143FLT
CA Residents: WARNING: Cancer and Reproductive Harm
- 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 used for increased exhaust flow, improving performance and 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 using a cold air intake, cat-back exhaust system, or tuner
- Air injection tubes not included
- M8 x 1.25 x 25 mm bolt size
- Bolts included
- California Proposition 65 compliant
- Not CARB (California) compliant – Racing use only
- No catalytic converter included
- Collector attachment uses 3-bolt flange, ball and socket flange
- Collector diameter 2.50 inches
- Gasket or seal included
- Material made of mild steel
- Mounting hardware included
- Oxygen sensor port not included
- Port shape is round
- Primary tubing diameter is 1 7/8 inches
- Sold as a pair
- Satin sheen level finish
- Tube wall thickness of 16 gauge
- Fits 2003–2013 Chevy/GMC Silverado, Tahoe, Yukon 2WD/4WD with 6.0L LS V8 engine
| Brand | Flowtech |
| Headers Type | Shorty Headers |
| Header Primary Size | 1.76-2.00 Inch |
| Header Collector Size | 2.50 Inch |
| Header Finish | Painted |
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