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Kooks Headers

Kooks 1151H422 1-7/8" Long Tube Headers & Catted X-Pipe for 15-26 Ford Mustang

Regular price
$2,451.95
Regular price
$2,972.37
Sale price
$2,451.95
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In Stock: 6

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Product Specification:

SKU:KSH1151H422

MPN: 1151H422

Weight: 57.2 lb

Inventory: 6

Type: Headers & Manifolds



Vehicle Fitment

  • 2015-2026 Ford Mustang GT (5.0L V8, RWD)
  • 2024-2026 Ford Mustang Dark Horse (5.0L V8, RWD)

Features

  • 1-7/8" x 3" stainless steel long tube headers
  • High-flow catted X-pipe with 400-cell catalytic converters
  • Mandrel-bent tubing for consistent exhaust gas velocity
  • Dual bolt pattern header flange for compatibility
  • Laser-cut 3/8" thick flanges for strength and durability
  • Includes gaskets, oxygen sensor extension harness, clamps, and necessary hardware
  • Designed for direct-fit installation with OEM mounting points
  • Enhanced exhaust note for a performance-oriented sound

Specifications

  • Primary Tube Diameter: 1-7/8 inches
  • Collector Size: 3 inches
  • Material: 304 stainless steel
  • Finish: Polished
  • Includes: 1x left header, 1x right header, 1x X-pipe assembly
  • Compatibility: 2015-2026 Ford Mustang GT 5.0L V8 (RWD), 2024-2026 Ford Mustang Dark Horse 5.0L V8 (RWD)

Included Components

  • 1x Left long tube header
  • 1x Right long tube header
  • 1x Catted X-pipe assembly
  • Installation hardware and gaskets

Product Description

The Kooks 1151H422 1-7/8" Long Tube Headers & Catted X-Pipe Kit is engineered for the 2015-2026 Ford Mustang GT and 2024-2026 Ford Mustang Dark Horse 5.0L V8 models. Constructed from high-quality 304 stainless steel, these headers feature 1-7/8" primary tubes and 3" collectors, designed to maximize exhaust flow and enhance engine performance. The included catted X-pipe features 400-cell high-flow catalytic converters, ensuring improved exhaust gas flow while maintaining emissions compliance.

Designed for a direct-fit installation, this kit utilizes OEM mounting points, making the upgrade straightforward for enthusiasts and professionals alike. The mandrel-bent tubing maintains consistent exhaust gas velocity, optimizing engine efficiency. Additionally, the system produces an aggressive exhaust note that complements the Mustang's performance capabilities.

Please note that this product is not CARB (California Air Resources Board) legal and is not intended for sale or use in California. It may not comply with emissions regulations in other states. Ensure compliance with local laws before purchasing and installing this product.

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Photo - Primary
Photo - Unmounted
Technical Bulletin
Photo - Unmounted