Stainless Works
Stainless Works 2007-2014 Shelby GT500 Long Tube Headers w/ High-Flow Cats - X-Pipe, Performance Connect (GT145HCAT)
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Not sure it fits?
Text us your year and model. We confirm fitment before it ships.
Talk to our team: 920-716-4005, Monday to Friday, 10am to 6pm CT.
Improve the sound and performance of your 2007–14 Shelby GT500 with premium long tube headers from Stainless Works. American-Made and designed specifically for the 5.4L or 5.8L Trinity engine, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase airflow and engineered to create maximum power.
Each system includes 3" slip-fit collectors with merge spikes, high-flow catalytic converters, and lead pipes that merge into your choice of H-pipe or X-pipe crossover for easy connection to your Stainless Works catback or factory exhaust system.
Built from corrosion-resistant 304 stainless steel with 3/8" thick flanges and oval exhaust ports that are an exact match to the factory cylinder head. Fully TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio — engineered for long-term performance.
This listing: part number GT145HCAT - Crossover Style: X-Pipe, Connects To: Stainless Works Exhaust (Fits 2007-14).
Highlights
- American-made from raw material to finished product
- TIG welded by skilled craftsmen for strength and beauty
- Lifetime warranty on material and craftsmanship
- Direct bolt-on fit for 2007–14 Shelby GT500
- Multiple connection options to match your build
Specifications
- System Type: Long Tube Header Kit
- Primary Tube Size: 1-7/8"
- Collector Size: 3" Slip-Fit with Merge Spikes
- Catalytic Converters: EPA Compliant High-Flow
- Crossover: H-Pipe or X-Pipe
- Connection: Factory Connection Point Fits 2011 - 14 Only - Fits Stainless Works 2007 - 14 and most Aftermarket Exhausts
- Flange Thickness: 3/8"
- Exhaust Ports: Oval — Exact Match to Factory Cylinder Head
- Material: 304 Stainless Steel
- Welding: TIG Welded
- Warranty: Lifetime
- Origin: Made in USA — Streetsboro, Ohio
What's in the box
- Driver & Passenger Side Headers
- Catalytic Converters x2
- X-Pipe or H-Pipe x1
- Clamps x4
- O2 Extensions x2
- Bolt Kit — 16 Pieces
- RTV Tube
- Installation Instructions
Application
- 2007-2014 Ford Shelby GT500 5.4L / 5.8L (connects to Stainless Works and most aftermarket exhausts)
Sold and installed at Vertex Motorsports in Appleton, WI. Call (920) 716-4005.
Installed by Vertex
Want it installed? We do that in-house.
Order it for your own build, or have our team in Appleton install it. Parts and installation can be quoted together.
Not sure it fits? Send us your year and model and we confirm before it ships.