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Long Tube Headers Built for Real Airflow Gains on the 5.0L Mustang GT
These Stainless Power headers from Stainless Works replace the restrictive factory manifolds on your 2015-2026 Ford Mustang GT 5.0L with 1-7/8 inch CNC mandrel-bent primary tubes designed to improve exhaust flow and unlock more power from the Coyote V8. This performance connect version is sized to mate with a Stainless Works catback exhaust system for a matched, consistent connection all the way through the exhaust.
Key Features
- 1-7/8 inch CNC mandrel-bent primary tubes for improved exhaust flow over factory manifolds
- Performance connection sized to mate with a Stainless Works catback exhaust system
- Engineered specifically for the 2015-2026 Mustang GT 5.0L Coyote V8 engine bay
- Stainless steel construction resists corrosion and holds up to sustained exhaust heat
Fitment
| Vehicle Application |
|---|
| 2015-2026 Ford Mustang GT, 5.0L |
Specifications
| Detail | Value |
|---|---|
| Brand | Stainless Works |
| Product Line | Stainless Power |
| Primary Tube Diameter | 1-7/8 inch |
| Connection Type | Performance connect |
| Material | Stainless steel |
What's Included
- Long tube headers with 1-7/8in primaries (2)
About Stainless Works
Stainless Works designs and manufactures American-made stainless steel exhaust systems and headers for street and performance applications, engineering each header and exhaust component specifically for the vehicle platform it fits.
Related Parts
- Stainless Works 2011-14 Mustang GT Headers 1-7/8in Primaries High-Flow Cats
- Stainless Works 2018+ Ford Mustang GT 3in Redline Series Catback
FAQ
Do these headers require any cutting or modification to install?No. These headers are designed as a direct bolt-on replacement for the factory manifolds on the 2015-2026 Mustang GT 5.0L, using the factory mounting points.
What is the difference between the performance connect and aftermarket connect versions?The performance connect version is sized to mate with a Stainless Works catback exhaust system, while the aftermarket connect version is sized for most aftermarket catback systems and may require cutting to fit.
Can I connect these headers to my factory exhaust system?This performance connect version is designed for a Stainless Works catback. If you plan to keep your factory exhaust or use a different aftermarket system, confirm connection compatibility before ordering.
What sound difference should I expect after installing these headers?Expect a deeper, more resonant Coyote V8 tone due to improved exhaust flow, with the overall character depending on the catback exhaust used downstream.
What is the primary tube diameter and why does it matter?The primary tubes measure 1-7/8 inch in diameter, sized to improve exhaust velocity and flow over the factory manifold without sacrificing low-end torque.
Is professional installation recommended?Header installation on this platform involves engine bay access and torque-critical fasteners, so professional installation is recommended unless you have experience with exhaust header replacement.
Do these headers include catalytic converters?Catalytic converter inclusion varies by specific Stainless Works Mustang header configuration. Confirm cat status with your order details and local emissions requirements before installation.
Will these headers fit both manual and automatic transmission Mustangs?These headers are engine-specific to the 5.0L Coyote V8 and are not transmission-dependent, so they fit both manual and automatic Mustang GT models.
Installation Instructions
- Allow the engine and exhaust system to cool completely before beginning work.
- Raise and safely support the vehicle, then remove any components blocking access to the factory exhaust manifolds.
- Disconnect the factory manifolds from the cylinder heads and from the factory exhaust connection point.
- Install the new Stainless Power headers using new gaskets at the cylinder head mounting surface, torquing hardware to factory specification.
- Connect the header collectors to your Stainless Works catback or matching lead pipe kit.
- Inspect all connections for a secure, leak-free fit before lowering the vehicle.
- Start the engine and check for exhaust leaks at all new connection points.
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