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GMC Sierra Spec D Headers 

You wouldn't think that inexpensive GMC Sierra Spec D headers could even exist, yet here they are! Although most headers are made of T-304 or T-409 stainless steel, GMC Sierra Spec D headers are made of T-201, which is a less expensive material, but said to be very close to T-304.


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Fits: 99-01 GMC SIERRA EGR HEADER

PART# HH4-SIE99-DK

Retail: $266.00
$172.90


Free Shipping!


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Not able to find what you are looking for?

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L

Shorty Headers for GMC Chevy 03-06 Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 2008-2013 Chevy Silverado GMC Sierra 1500 5.3L V8 304SS

Shorty Headers For 03-06 Chevy GMC Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 03-06 Chevy GMC 6.0L Sierra Silverado Truck 1500HD 2500HD V8

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L







GMC Sierra Spec D Headers 

You wouldn't think that inexpensive GMC Sierra Spec D headers could even exist, yet here they are! Although most headers are made of T-304 or T-409 stainless steel, GMC Sierra Spec D headers are made of T-201, which is a less expensive material, but said to be very close to T-304.


Choose Your Vehicle:

Shop GMC Sierra Spec D Headers by Year

1 - 1 of 1
Sort by:




Fits: 99-01 GMC SIERRA EGR HEADER

PART# HH4-SIE99-DK

Retail: $266.00
$172.90


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?

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L

Shorty Headers for GMC Chevy 03-06 Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 2008-2013 Chevy Silverado GMC Sierra 1500 5.3L V8 304SS

Shorty Headers For 03-06 Chevy GMC Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 03-06 Chevy GMC 6.0L Sierra Silverado Truck 1500HD 2500HD V8

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L