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Description
Flowtech Shorty Headers for 2014-2015 Chevy Silverado/Tahoe 5.3L/6.2L Polished Finish 11549FLTOverview: Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2014 2015 Chevy GMC Silverado Tahoe Yukon 5. 3L & 6. 2L V8, 2WD 4WD models. Features: Mandrel bent 409 Stainless Steel 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 5 8 diameter primary tubes are used for
Overview:
Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2014-2015 Chevy/GMC Silverado/Tahoe/Yukon 5.3L & 6.2L V8, 2WD/4WD models.
Features:
- Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
- Heavy duty 16-gauge tubing for increased strength and durability
- Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
- OE style 2-1/2” ball and socket 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
- Available finishes include Natural, Polished, High Temp Black paint, and Ceramic Coated finishes
- Popular shorty header for LT-Swaps
Applications:
| Year | Make | Model | Engine |
| 2014-2015 | Chevrolet | Silverado 1500 | 5.3L V8 |
| 2014-2015 | Chevrolet | Silverado 1500 | 6.2L V8 |
| 2014-2015 | Chevrolet | Silverado 2500 | 5.3L V8 |
| 2014-2015 | Chevrolet | Tahoe | 5.3L V8 |
| 2014-2015 | GMC | Sierra 1500 | 5.3L V8 |
| 2014-2015 | GMC | Sierra 1500 | 6.2L V8 |
| 2014-2015 | GMC | Yukon | 5.3L V8 |
| 2014-2015 | GMC | Yukon | 6.2L V8 |
| 2014 | GMC | Yukon XL 1500 | 5.3L V8 |
| 2014 | GMC | Yukon XL 1500 | 6.2L V8 |
| 2015 | GMC | Yukon XL | 5.3L V8 |
| 2015 | GMC | Yukon XL | 6.2L V8 |
Specs:
| Brand | Flowtech |
|---|---|
| Collector Diameter | 2.50 inch |
| Bolt Size | M8 x 1.25 x 25mm |
| Emission Code | 4 |
| Engine | GM Gen III/IV (LS) |
| Flange Size | 3/8 Inch |
| Header Finish | Polished |
| Header Style | Shorty |
| Primary Tube Dia. | 1-5/8 inch |
| Product Type | Headers |
| Tube Material | 409 Stainless Steel |
| Warning | California Proposition 65 |
Emissions:
- This part is legal for sale or use on Racing Use Only Vehicles
- The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
- WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 4
Well made and perform well, a little constricting
Size: Medium, Color: Black Assortment (6-pairs)
These socks definitely keep most of the moisture away from my feet, even in wet conditions, which is why I bought them. I am diabetic, though, and the recommendation is to wear socks that don't constrict at any point. These have a tight band around the opening that while it is not uncomfortable on, leaves a mark when I take them off. So far it's been ok, but if you have any kind of swelling in your feet or ankles these would probably not be the best. My foot measures size 8 and I wear size 9 Brooks running shoes. The socks fit me just right but based on the size of the opening and the overall length, I wouldn't think they would fit anyone more than a size larger. Overall well made and perform well as you would expect from this brand.
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Reviewed in the United States on July 20, 2018
★★★★★ 5
long lasting!
Size: Medium, Color: Black/Assorted
literally my favorite sock i will buy forever. they just started busting through after 6 years and i wear them a lot
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Good quality
Size: Medium, Color: Black/Assorted
Comfy and sturdy
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Reviewed in the United States on January 27, 2025
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
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Reviewed in the United States on April 9, 2024
★★★★★ 5
Great fit
Size: Medium, Color: White
Perfect fit and they don't slide off the back of your ankle.
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Reviewed in the United States on March 16, 2026