Stainless Works 2005-10 Mustang GT 1-3/4in Headers 3in High-Flow Cats X-Pipe Factory Connection (part # M05H175X), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2005–10 Mustang GT
Long Tube Headers
3" Collector
Made in USA
Overview
Unlock the true potential of your 2005–10 Mustang GT with a premium long tube header system from Stainless Works.
Designed for the 4.6L 3V engine, these headers feature 1-3/4" primary tubes with a smooth-flow collector and 3" high-flow catalytic converters for maximum performance.
Each system includes a 2-1/2" X-pipe crossover that connects directly to your factory exhaust system for a complete, bolt-on upgrade.
Built from corrosion-resistant 304 stainless steel with 3/8" thick flanges and fully TIG welded for strength and beauty, this system is engineered to deliver lasting performance.
Why Stainless Works
- 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 2005–10 Mustang GT 4.6L
- Pairs perfectly with Stainless Works catback for a full system upgrade
Key Features
1-3/4" Primary Tubes
Optimized sizing for strong mid-range and top-end power gains.
X-Pipe Crossover
2-1/2" X-pipe connects directly to your factory exhaust system.
3" High-Flow Catalytic Converters
EPA compliance with improved flow for maximum performance.
3/8" Thick Flanges
Precision-machined flanges ensure a leak-free seal every time.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
2005–10 Mustang GT 4.6L 3V |
| System Type |
Long Tube Header Kit |
| Primary Tube Size |
1-3/4" |
| Collector Size |
3" with Smooth-Flow Collector |
| Catalytic Converters |
EPA Compliant High-Flow (x2) |
| Crossover |
2-1/2" X-Pipe |
| Connection |
Factory Connection Point - Fits Factory Exhaust System |
| Flange Thickness |
3/8" |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
Lifetime |
| Origin |
Made in USA |
⇩ Download Installation Instructions (PDF)
What's In The Box
- Driver & Passenger Side Headers
- Catalytic Converters x2
- Lead Pipes x2
- X-Pipe x1
- Clamps x6
- O2 Extensions x4
- Bolt Kit — 16 Pieces
- RTV Tube x1
- Installation Instructions
Frequently Asked Questions
Will these headers fit my 2005–10 Mustang GT?
Yes. These long tube headers are designed specifically for the 2005–2010 Mustang GT with the 4.6L 3V engine. They are a direct bolt-on kit with no cutting or modification required.
What size are the primary tubes?
These headers feature 1-3/4" primary tubes with smooth-flow collectors and 3/8" thick flanges for a leak-free seal.
Do these headers include catalytic converters?
Yes. This system includes 3" high-flow catalytic converters that connect to the included X-pipe crossover for a complete bolt-on upgrade.
What warranty is included?
Stainless Works provides a lifetime warranty on material and craftsmanship — covering the full life of the product, not just a limited term.
Questions? Call us at | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
This Listing
- Brand: Stainless Works
- Part number: M05H175X
- Product type: Headers
- Fitment: 2005-10 Mustang GT
- EPA status: Testing
- Shipping weight: 58 lb
California Prop 65 warning applies to this product.
Emissions note: headers, downpipes and catless/high-flow pipes may not be legal for street use in all states. Check your local emissions laws before installing.
Fitment note: Stainless Works systems are application-specific (year, cab/bed, transmission and factory exhaust). Send us your VIN before ordering and we will confirm fitment: 954-507-6261 or sales@americanmuscleperformance.net.
