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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
4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Comfortable athletic sock
Color: White/Halo Gray Assorted Locked-in Fit, Size: Medium
Love these socks. Neutral enough colors to pair with tennis shoes for daily wear but still a fun pattern. Comfortable, and stay in place without slipping down. Fit true to size.
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Reviewed in the United States on July 9, 2025
★★★★★ 5
high-quality, comfortable socks
Size: Medium, Color: Coyote Brown 4 Pairs
The Army Demi Season Breathable Over The Calf Uniform Boot Socks are a must-have for anyone in need of high-quality, comfortable socks for military or tactical use. Here's why I highly recommend them:
Pros:
1. **Breathable Design**: These socks feature a breathable construction that helps regulate temperature and moisture, keeping your feet cool and dry even during long hours of wear. This is essential for maintaining comfort and preventing sweat-related issues such as blisters or odors.
2. **Over-The-Calf Length**: The over-the-calf length of these socks provides additional protection and support, helping to prevent chafing and irritation caused by boots or other footwear. It also ensures a secure fit that stays in place throughout the day.
3. **Durable Material**: Made from high-quality materials such as cotton, polyester, and spandex, these socks are built to withstand the rigors of military or tactical use. They hold up well to repeated washing and wear, maintaining their shape and integrity over time.
4. **Cushioned Sole**: The cushioned sole provides added comfort and support, reducing fatigue and impact on your feet during extended periods of standing or walking. It also helps absorb shock and prevent soreness or discomfort.
5. **Versatile Use**: While designed for military or tactical use, these socks are also suitable for various outdoor activities such as hiking, camping, or hunting. Their durable construction and performance features make them a versatile choice for any demanding environment.
Cons:
1. **Limited Color Options**: These socks typically come in standard military colors such as black, green, or coyote brown, which may not appeal to everyone's personal style preferences. However, the focus is on functionality rather than fashion.
2. **Sizing**: Some users may find that the sizing runs slightly large or small, depending on individual foot dimensions. It's essential to consult the manufacturer's sizing chart and reviews to ensure the best fit.
Overall, the Army Demi Season Breathable Over The Calf Uniform Boot Socks offer superior comfort, durability, and performance for military, tactical, or outdoor use. Their breathable design, over-the-calf length, and cushioned sole make them an essential component of any uniform or gear kit.
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Reviewed in the United States on May 17, 2024
★★★★★ 5
Good value.
Size: Medium, Color: Coyote Brown 4 Pairs
These socks are really sturdy and comfortable for the feet.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Durability
Size: Large, Color: Coyote Brown 4 Pairs
Love these socks. They’re super comfortable & very durable.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
Buen material
Size: Small, Color: Stone Grey 1 Pair
Son cómodas y de buen material.
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Reviewed in the United States on May 30, 2026