Overview
Build or repair your HEMI exhaust system with premium SRT8 / RT 5.7L, 6.1L, and 6.4L HEMI header flanges from Stainless Works.
These D-shaped header flanges are made from heavy-duty 3/8" laser cut 304 stainless steel for superior resistance to warping from high heat.
Available in multiple primary exhaust flange sizes, these flanges support custom header fabrication, exhaust repair, and performance HEMI applications.
Choose from 1-3/4", 1.875", or 2.000" D-shaped port options depending on your build.
Why Stainless Works
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Made from corrosion-resistant 304 stainless steel
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Laser cut for clean fitment and consistent port shape
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Heavy-duty 3/8" thickness helps resist warping from high heat
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Designed for 5.7L, 6.1L, and 6.4L HEMI applications
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Built for custom header fabrication and exhaust repair
Key Features
HEMI Header Flanges
Pair of D-shaped exhaust flanges for 5.7L, 6.1L, and 6.4L HEMI applications.
Multiple Port Sizes
Available in 1-3/4", 1.875", and 2.000" D-shaped port options.
3/8" Stainless Steel
Heavy-duty thickness helps resist warping from high exhaust heat.
Laser Cut Construction
Precision cut for clean edges and consistent fitment.
D-Shaped Port
Designed for SRT8, RT, and select Hellcat HEMI exhaust applications.
304 Stainless Steel
Corrosion-resistant material built for long-term exhaust durability.
Specifications
| Product Type | Header Flanges |
| Quantity | One Pair |
| Engine Fitment | 5.7L / 6.1L / 6.4L HEMI |
| Applications | SRT8 / RT / Hellcat |
| Port Shape | D-Shaped |
| Material | 304 Stainless Steel |
| Thickness | 3/8" |
| Construction | Laser Cut |
Available Variants
| 1-3/4" Primary | D-Shaped Port - 1.939" x 1.380" - Old P/N HFlangeJP61175 |
| 1.875" Primary | D-Shaped Port - 2.064" x 1.505" - Old P/N HFLNGJP61188 |
| 2.000" Primary | D-Shaped Port - SRT8 / RT / Hellcat Applications |
Frequently Asked Questions
What engines do these header flanges fit?
These header flanges are designed for 5.7L, 6.1L, and 6.4L HEMI applications.
What port sizes are available?
These flanges are available in 1-3/4", 1.875", and 2.000" D-shaped port options depending on your build.
What material are these flanges made from?
These flanges are made from heavy-duty 3/8" laser cut 304 stainless steel for superior resistance to warping from high heat.
Questions? Call us at 800-878-3635 | Mon–Fri 7:30am–4:30pm EST
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