TSP S197 11-14 Mustang GT Longtube Header Kit – Catted

TSP Long Tube Header Kit – 2011–2014 Mustang GT (S197 5.0L Coyote)

The TSP Long Tube Header Kit is engineered to deliver bolt-on performance, long-term durability, and a deep, aggressive tone for your 2011–2014 Mustang GT. With TIG-welded 304 stainless construction, high-flow cats, and both TSP and factory cat-back compatibility, this system is your go-to foundation for a powerful street or track exhaust build.

Vehicle Fitment:

• Chassis: 2011–2014 Ford Mustang GT (S197)
• Engine: 5.0L Coyote V8

Kit Includes:

• 1-7/8” Long Tube Headers – TIG-welded T304 stainless steel with 3” outlets
• 2 High-Flow Catalytic Converters – Stainless body, performance-grade cats
• TSP Multi-Layer Header Gaskets – Designed for a secure, leak-free seal
• 4 O2 Sensor Extensions – Plug-and-play to match factory harness locations
• Sleeve Clamp Adapters – Seamlessly connects to TSP cat-back systems
• 3” to Factory Cat-Back H-Pipe Adapter – Allows direct bolt-on to stock exhaust
• All Required Hardware – Fully complete install kit

Design & Construction:

• Material: Full T304 stainless steel for strength and corrosion resistance
• Welds: Precision TIG-welded throughout
• Primary Tubes: 1-7/8” mandrel bent for high-flow efficiency
• Collector: 3” outlet to support high-performance exhaust builds
• Cats: 2 included high-flow catalytic converters

Fitment & Installation Notes:

• Direct Bolt-On: Compatible with both TSP valved and non-valved cat-back systems
• Includes H-Pipe Adapter: Allows installation with your factory cat-back system
• Passenger-Side Clearance Note: A heat shield mounting stud may need to be ground flush with the nut for proper clearance

The TSP Long Tube Header Kit is built to unlock the full potential of your Coyote-powered Mustang. With bolt-on fitment, high-flow cats, and compatibility with stock or aftermarket cat-back systems, this kit gives you the freedom to build your exhaust your way.