05-10 Ford Mustang GT 4.6L 3V Kooks 1131H020 1-5/8" Headers and 2-1/2" Catted X-Pipe Kit

05-10 Ford Mustang GT 4.6L 3V Kooks 1131H020 1-5/8" Headers and 2-1/2" Catted X-Pipe Kit

The Kooks 1131H020 1-5/8" Headers and 2-1/2" Catted X-Pipe Kit is a high-performance exhaust upgrade for 2005-2010 Ford Mustang GT 4.6L 3V owners seeking enhanced power, aggressive sound, and improved efficiency. This kit features precision-engineered 1-5/8" mandrel-bent primaries that improve exhaust flow, paired with a 2-1/2" catted X-pipe that maximizes engine performance. The 400-cell high-flow catalytic converters increase power while maintaining emissions compliance, making this kit perfect for street use. Crafted from 16GA 304 stainless steel with 3/8" thick laser-cut flanges, this kit is built for durability and long-lasting performance under extreme conditions.

Designed to work with the stock bolt pattern and includes all necessary installation hardware, the Kooks 1131H020 Kit delivers substantial gains in horsepower and torque while maintaining an aggressive, performance-oriented exhaust tone. This kit is a must-have for those looking to improve both the sound and performance of their Mustang.

Key Features:

• 1-5/8" Mandrel-Bent Primaries for optimal exhaust flow and performance gains.
• 2-1/2" Catted X-Pipe for improved exhaust scavenging and overall power increase.
• Kooks Performance 400-Cell High-Flow Catalytic Converters for a balance of power and emissions compliance.
• 16GA 304 Stainless Steel Construction for durability and long-term corrosion resistance.
• 3/8" Thick Laser-Cut Flanges for precise fitment and secure connections.
• Stock Bolt Pattern for easy installation with factory mounting points.
• Aggressive Exhaust Sound that enhances the Mustang’s performance-oriented tone.
• Includes All Necessary Hardware for a complete and straightforward installation.

Benefits:

• Boosted Performance: Improves horsepower, torque, and throttle response by optimizing exhaust flow.
• Aggressive Exhaust Tone: Delivers a deeper, more aggressive sound that complements the Mustang's high-performance feel.
• Long-Lasting Durability: The 304 stainless steel construction ensures resistance to heat, rust, and corrosion.
• Emissions Compliant: The 400-cell high-flow catalytic converters meet emissions standards while boosting performance.
• Easy Installation: Utilizes the stock bolt pattern and includes all hardware for a hassle-free setup.
• Professional Grade: Designed to meet the performance standards of serious automotive enthusiasts.

Product Specs:

• Material: 304 Stainless Steel
• Finish: Stainless Steel (Natural Finish)
• Primary Tube Diameter: 1-5/8"
• Outlet Size: 2-1/2" (connects to OEM exhaust)
• Catalytic Converters: Kooks Performance 400-cell high-flow cats
• Flanges: 3/8" thick laser-cut flanges for precise fitment
• Application: Automotive performance exhaust
• Includes: All necessary installation hardware, including gaskets and clamps

Install Difficulty Level

The Kooks 1131H020 1-5/8" Headers and 2-1/2" Catted X-Pipe Kit is designed for an easy installation, especially with the included hardware and stock bolt pattern. The process typically takes around 3-4 hours for experienced installers. With the right tools and a basic understanding of exhaust systems, the installation is straightforward and should not require any advanced modifications. Professional installation is recommended if you're unfamiliar with exhaust work to ensure optimal fitment and performance.

Vehicle Fitment

• Vehicle Year Range: 2005-2010
• Make: Ford
• Model: Mustang GT
• Engine: 4.6L 3V V8

For any questions about this product or to report inaccuracies in the description, contact the MPT Performance experts at (407) 636-7077 or by email.