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High Flow Kits

Screamin Diesel Performance

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2015

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2015



View More

$7,929.99


Wehrli Custom Fabrication

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2004

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2004

***Does not ship to CA***


View More

$868.99


Wehrli Custom Fabrication

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2004

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2004

***Does not ship to CA***


View More

$1,110.99


Wehrli Custom Fabrication

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2004

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2004

***Does not ship to CA***


View More

$1,745.99


Wehrli Custom Fabrication

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2004

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2004

***Does not ship to CA***


View More

$2,521.99


Wehrli Custom Fabrication

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2004

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2004

***Does not ship to CA***


View More

$2,705.99


Wehrli Custom Fabrication

Fitment

Make

Model

Engine

Year(s)

Chevrolet

Silverado 2500/3500 HD 

6.6L Duramax 

2001-2004

GMC

Sierra 2500/3500 HD 

6.6L Duramax 

2001-2004

***Does not ship to CA***


View More

$3,248.99


7 of 7 Products

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