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Ford Mustang 4-2-1 Headers 

Our Ford Mustang tri-Y headers, also known as 4-2-1 headers, merge from four primary tubes down to two, then down to a single collector. They are an excellent choice for mid to upper range power, with some differences depending on the manufacturer. Popular for street and autocross vehicles!


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Fits: 1964-68 Ford Mustang

PART# THY-289Y-C

Tube Grouping: 4-2-1
Finish: Ceramic Coated
Retail: $2,126.42
$1,849.99


Free Shipping!


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When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

Exhaust Manifold Headers Stainless Fits 1979-1993 Ford Mustang 5.0L V8 Engines

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Tri-Y Tubular Exhaust Manifold Header Extractor 64-70 Ford Mustang 260/289/302

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Exhaust Manifold Headers Fits 1979 - 1993 Mustang 5.0 V8 GT/LX / SVT







Ford Mustang 4-2-1 Headers 

Our Ford Mustang tri-Y headers, also known as 4-2-1 headers, merge from four primary tubes down to two, then down to a single collector. They are an excellent choice for mid to upper range power, with some differences depending on the manufacturer. Popular for street and autocross vehicles!


Choose Your Vehicle:


Shop Ford Mustang 4-2-1 Headers by Brand

1 - 1 of 1
Sort by:




Fits: 1964-68 Ford Mustang

PART# THY-289Y-C

Tube Grouping: 4-2-1
Finish: Ceramic Coated
Retail: $2,126.42
$1,849.99


Free Shipping!


Previous1Next

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

Exhaust Manifold Headers Stainless Fits 1979-1993 Ford Mustang 5.0L V8 Engines

Stainless Exhaust Manifold Headers Kit for 2011-2016 Ford Mustang GT 5.0L V8 New

Exhaust Headers for 2011-2012 FORD Mustang

Tri-Y Tubular Exhaust Manifold Header Extractor 64-70 Ford Mustang 260/289/302

Shorty Headers for 05-10 Ford Mustang GT 4.6L Shelby Bullitt Lujo Modular 1-5/8"

Exhaust Manifold Headers Fits 1979 - 1993 Mustang 5.0 V8 GT/LX / SVT