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Porsche Header Flanges

Our American made Porsche header flanges are precision CNC laser jet cut from 3/8” stainless steel or 1018 cold rolled steel.
Stainless Header Mfg., Inc. offers the finest in CNC laser cut header flanges. While most header flanges are made from 1/4" or 5/16" material, our are precision CNC laser cut header flanges are cut from from 3/8" material. We offer our flanges in 304 stainless steel or 1018 cold rolled steel. The heavier material we use to fabricate our flanges greatly reduce the warping problems seen in other lighter flanges. Make sure to ask about custom header flanges.

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Porsche 911 Carrera (Classic) Mild Steel Header Flange
Porsche 911 Carrera (Classic) Mild Steel Header Flange
Our Price: $39.95

Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S.A. and are machine surfaced. These header flanges are specifically made for the 6-cylinder boxer engine of all Porsche 911 variants from 1976-1983.
Stock Port Size: 1 3/4" Round Port more info
Porsche 911 Carrera 996 Mild Steel Header Flange
Porsche 911 Carrera 996 Mild Steel Header Flange
Our Price: $39.95

Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S.A. and are machine surfaced. These header flanges are specifically made for the flat-6 engine of all 996-generation Porsche 911 variants from 1999-2004.
Port Size: 2.087"
 more info
Porsche 944 Mild Steel Header Flange- Angled Bolt Pattern
Porsche 944 Mild Steel Header Flange- Angled Bolt Pattern
Our Price: $39.95

These header flanges are specifically made for the inline 4 engine used in Porsche 944s from 1982-1991.

Port Size: 1.752"

more info
Porsche 944 Mild Steel Header Flange-Inline Bolt Pattern
Porsche 944 Mild Steel Header Flange-Inline Bolt Pattern
Our Price: $39.95

These header flanges are specifically made for the inline 4 engine used in Porsche 944s from 1982-1991.

Port Size: 1.760"

more info