KOOKS CUSTOM HEADERS 11401400 842422156282 1-7/8 Headers. 5.0L

( Brand: Kooks Custom Headers ), ( Country Of Origin: United States ), ( Manufacturer Warranty: 90 Day ), ( Manufacturer Part Number: 11401400 ), ( Additional Parts Required: No ), ( Application: Automotive ), ( Collector Diameter: 3.000 In. ), ( Color: Stainless Steel ), ( Engine Make/size: Ford 5.0l Coyote ), ( Flanged Outlet: Yes ), ( Material: 304 Stainless Steel ), ( Outlet Diameter: Oem ), ( Port Shape: Same As Port/can Be Matched ), ( UPC: 842422156282 )

Review KOOKS CUSTOM HEADERS 1-7/8 Inch Super Series Headers. 5.0l fits STREET MUSTANG 2011–2014

Introducing the Kooks 11401400 1-7/8 inch Street Series Headers for the 2011-2014 Mustang 5.0L, a high-performance exhaust system upgrade that delivers exceptional power gains and an inspiring exhaust note. Designed and manufactured in the USA, these headers are a must-have for Mustang enthusiasts seeking to enhance their vehicle's engine performance.

The Kooks headers are engineered using premium 304 stainless steel, ensuring durability, strength, and resistance to corrosion. Each header comes with a professional TIG welded construction, ensuring a consistently high-quality weld that provides a leak-free and reliable exhaust system.

These headers feature a 1-7/8 inch primary tube diameter, which provides a significant improvement in exhaust gas flow, allowing for increased engine efficiency and power output. The design includes a 3-inch collector, which ensures optimal scavenging and reduces backpressure, resulting in additional horsepower and torque gains.

The Kooks headers come with a built-in oxygen sensor boss, which allows for easy integration with the factory oxygen sensors, ensuring a smooth and effective operation. The headers are also designed with a 6-bolt flange, which ensures a secure and stable connection to the engine and eliminates the need for gaskets.

Installing the Kooks headers is a straightforward process, making it an ideal choice for both professional installers and DIY enthusiasts. The headers come with detailed instructions and are designed to fit seamlessly with the factory exhaust system, allowing for easy integration.

By Upgrading to the Kooks 11401400 1-7/8 inch Street Series Headers, Mustang owners can expect to experience a noticeable increase in engine performance, including improved throttle response, enhanced exhaust note, and a more powerful driving experience. Additionally, the premium stainless steel construction ensures that these headers are a long-lasting investment, providing years of reliable performance.

Kooks 11401400 1-7/8 inch headers for the 2011-2014 Mustang 5.0L engine are aftermarket exhaust components designed to replace the stock headers. These headers offer several benefits and drawbacks, which are discussed below.

1. Enhanced Performance: Kooks headers are designed to improve the flow of exhaust gases from the engine to the catalytic converters. This results in better engine performance, increased horsepower, and improved torque.

2. Improved Throttle Response: The Kooks headers help to reduce exhaust backpressure, which in turn enhances throttle response, making the engine more responsive and agile.

3. Durability: Kooks headers are made from high-quality materials, such as 304 stainless steel, which is resistant to corrosion and can withstand high temperatures.

4. Customizability: Kooks headers are available in various sizes and configurations to suit different driving styles and performance goals.

5. Better Sound: Kooks headers produce a deeper and more pleasing exhaust note, which can be an aesthetic advantage for some car enthusiasts.

1. Cost: Kooks headers can be quite expensive compared to the stock headers. The cost of the headers alone can range from $1,000 to $2,500.

2. Installation Complexity: Installing headers requires advanced mechanical skills and specialized tools. It is recommended to have the headers installed by a professional mechanic to ensure proper fitment and function.

3. Compatibility: Kooks headers may not be compatible with all aftermarket exhaust systems, catalytic converters, or other exhaust components. It is important to ensure compatibility before making a purchase.

4. Loud Exhaust: Kooks headers can produce a louder exhaust note than the stock headers, which may not be desirable for all drivers.

5. Potential for Check Engine Light: Installing headers can potentially trigger the check engine light due to the changes in the exhaust system. It is important to use a high-quality O2 sensor and have the car tuned properly to avoid this issue.

The decision to buy Kooks headers for a 2011-2014 Mustang 5.0L depends on individual driving preferences and performance goals. The benefits of improved performance, throttle response, durability, customizability, and better sound can be significant, but the costs, installation complexity, compatibility issues, and potential for a loud exhaust and check engine light should also be considered. Ultimately, if the benefits outweigh the drawbacks and the budget allows for it, Kooks headers can be a worthwhile investment for Mustang enthusiasts looking to enhance the performance and driving experience of their vehicle.

Before making a purchase, it is recommended to thoroughly research the specific Kooks headers model and compatibility with your Mustang's exhaust system and other components. Additionally, it is important to have the headers installed by a professional to ensure proper fitment and function. Lastly, consider the potential costs, both in terms of the upfront investment and any potential tuning or maintenance costs, to determine if the benefits of Kooks headers justify the expense.

part # 11401400 prices

• $800.00-$1799.99

specifications maniheader:

• for models: Street, Mustang
• for years: 2011-2014
• brand: Kooks Custom Headers
• country of origin: United States
• manufacturer warranty: 90 Day
• manufacturer part number: 11401400
• additional parts required: No
• application: Automotive
• collector diameter: 3.000 In.
• color: Stainless Steel
• engine make/size: Ford 5.0l Coyote
• flanged outlet: Yes
• material: 304 Stainless Steel
• outlet diameter: Oem
• port shape: Same As Port/can Be Matched
• upc: 842422156282

payments maniheader:

• credit card: Discover
• wallet: Apple-pay
• other

shipping maniheader:

• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• type: Fixed
• cost: $0.00
• transit: 3-6 Days
• class: Standard

returns maniheader:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller maniheader:

• rating: 99.7%
• # reviews: 9818

offer maniheader:

• sold: 0
• availability: In Stock
• started: October 18, 2025
• quantity: 1
• options: Ship-to-home

general maniheader:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

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