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Stainless Headers Mfg, Inc. - Mild Steel Header Flanges
Our American made mild steel header flanges are precision laser cut from 0.375" 1018 cold rolled steel to our exacting specifications. We carry over 400 different flange designs. Many of the popular models come in several different primary tube port sizes. They come pre-surfaced and are ready for your header building project. If you don't see the flange you're looking for, talk with one of our exhaust specialists about custom header flange cutting.
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Mild Steel Header Flanges Featured Products
Description: Ford Triton V-10 Mild Steel Header Flange
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
Description: Ford Yates C3 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: 1 3/4" Round Ports
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
EcoBoost
Description: Gen 1 Ford 3.5L EcoBoost V6 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
EcoBoost
Description: Gen 2 Ford 3.5L EcoBoost V6 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
GM, I-4, Mild Steel
Description: GM 2.5L Iron Duke Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
GM, V6, Steel
Description: GM 2.8L V6 Mild Steel Header Flange- Fits FelPro MS93575 Gaskets
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
GM 3800 V6
Description: GM Series II 3800 V-6 Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Honda K-Head Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Honda S2000 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Jaguar 4.0L V8 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
PowerTech
Description: Jeep 3.7L PowerTech V6 Mild Steel Header Flange- Driver Side
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
PowerTech
Description: Jeep 3.7L PowerTech V6 Mild Steel Header Flange- Passenger Side
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
Description: Jeep 4.2L I6 Mild Steel Header Flange
Condition:
New
Price: $69.95
Sale: $59.45
Save: 15%
Save: $10.50
Jeep, AMC
Description: Fits FelPro MS92100 Manifold Gasket Set
Condition:
New
Price: $105.95
Sale: $90.05
Save: 15%
Save: $15.90
Jeep, AMC
Description: Fits FelPro MS92100 Manifold Gasket Set
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Kaase
Description: Ford Boss 429 "Boss 9" Kaase Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Duratec
Description: Mazda 2.5/3.0L DuraTec V6 Mild Steel Header Flange
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
Description: Mazda Miata 1.8L BP Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Mazda Protege 2.0L Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Mercedes C63 AMG Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Mercedes M113K 5.4L V8 Mild Steel Header Flange
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Cobra
Description: Mild Steel Cobra Kit Car Flange- Style A
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Cobra
Description: Mild Steel Cobra Kit Car Flange- Style B
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Cobra
Description: Mild Steel Cobra Kit Car Flange- Style C
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Cobra, Superformance
Description: Mild Steel Cobra Kit Car Flange- Style D
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
FHO
Description: Available in 2 1/8", 2 1/4", or 2 3/8" Port Sizes
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
FHO
Description: Available in 2", 2 1/8", 2 1/4", or 2 3/8" Port Sizes
Condition:
New
Price: $49.95
Sale: $42.45
Save: 15%
Save: $7.50
M&M Competition
Description: 2 1/4" Round port
Condition:
New
Price: $59.95
Sale: $50.95
Save: 15%
Save: $9.00
Edelbrock
Description: Small Block Ford-W Mild Steel Header Flange for Edelbrock Victor Senior Heads
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
CFE
Description: 1 7/8" Round Port, 2 5/8" Inline Bolt Spacing
Condition:
New
Price: $59.95
Sale: $50.95
Save: 15%
Save: $9.00
Description: Mini Cooper 1.6L TriTec Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
HEMI
Description: Mopar 426 Hemi Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Hemi
Description: Mopar 426 High Port D4 Hemi Mild Steel Header Flange, Square Port
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Hemi
Description: Mopar 5.7L Hemi- Drivers Side Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
hemi
Description: Mopar 5.7L Hemi- Passenger Side Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Hemi
Description: Mopar 500 CID Pro-Stock Hemi 99 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
HEMI
Description: Mopar 500 CID Pro-Stock Hemi 99 Mild Steel Split Header Flange
Condition:
New
Price: $29.95
Sale: $25.45
Save: 15%
Save: $4.50
Hemi
Description: Mopar Early Hemi Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Hemi
Description: Mopar FHO Stage V 426 Hemi Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Hemi
Description: Mopar Gen III 6.1L/6.2L/6.4L Hemi Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Mopar R5-P7 NASCAR Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Description: Nissan 2.4L KA Head Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Description: Nissan 3.8L V6 Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
GT-R
Description: Nissan GT-R R35 Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Price: $59.95
Sale: $50.95
Save: 15%
Save: $9.00
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Description: Oldsmobile 303 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $33.95
Save: 15%
Save: $6.00
Popular Brands:
More About Mild Steel Header Flanges
Our American made mild steel header flanges are precision laser cut from 0.375" 1018 cold rolled steel to our exacting specifications. We carry over 400 different flange designs. Many of the popular models come in several different primary tube port sizes. They come pre-surfaced and are ready for your header building project. If you don't see the flange you're looking for, talk with one of our exhaust specialists about custom header flange cutting.