{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2003 Chevrolet Silverado 2500 HD

2003 Chevrolet Silverado 2500 HD Headers

Refine by:

Shop Catalog

Showing 1 - 15 of 59 results
Display item:
15
30
45
Sort by:
Shorty Headers
Part Number: F3111143FLT
Guaranteed to Fit
$449.95
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L 4WD, Painted Not Legal For Sale Or Use In California, Not For Sale In California
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 6.0L 4WD, Painted Not Legal For Sale Or Use In California, Not For Sale In California
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L 4WD, Painted Not Legal For Sale Or Use In California, Not For Sale In California
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 7/8 in. Primary TubeColor Finish : BlackCollector Diameter : 2.5 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortPrimary Tube Gauge : 16 GaugeMaterial : Made of Stainless SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: F3131142FLT
Guaranteed to Fit
$522.95
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L 4WD
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 6.0L RWD
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L RWD
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Ceramic CoatedCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortPrimary Tube Gauge : 16 GaugeMaterial : Made of SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangedHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: G27GP500S
Guaranteed to Fit
$774.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 6.0L CARB E.O. D-411-11
Product Details
Emissions : 50-State LegalSeries : Performance SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : NaturalCollector Diameter : Stock CollectorQuantity Sold : KitWarranty : Lifetime Gibson limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortEO Number : EO Number: D-411-9Primary Tube Gauge : 16 GaugeMaterial : Made of Stainless SteelDesign : 4-1Includes : With Premium gasket, installation hardware and Bolts/StudsCollector Attachment Style : OE Style FlangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: G27GP131S
Guaranteed to Fit
$773.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 8.1L Automatic Transmission, Without Air Injection, With EGR Fitting, Wiithout Air Injection, CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 8.1L Automatic Transmission, Without Air Injection, With EGR Fitting, Wiithout Air Injection, CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 8.1L Automatic Transmission, Without Air Injection, With EGR Fitting, Wiithout Air Injection, CARB E.O. D-411-11
Product Details
Emissions : 50-State LegalSeries : Performance SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : NaturalCollector Diameter : Stock CollectorQuantity Sold : KitWarranty : Lifetime Gibson limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortProvision : EGREO Number : EO Number: D-411-9; D-411-11Primary Tube Gauge : 16 GaugeMaterial : Made of Stainless SteelDesign : 4-1Includes : With Premium gasket, installation hardware and Bolts/StudsCollector Attachment Style : OE Style FlangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: J211860SJS
Guaranteed to Fit
$759.45
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 8.1L Without Air injector
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 8.1L Without Air injector
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 8.1L Without Air injector
Product Details
Emissions : 50-State LegalSeries : Cat4ward Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Silver Ceramic CoatedCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 1-year JBA limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

EO Number : EO Number: D-57-29 & D-57-25Material : Made of Stainless SteelDesign : 4-1Head Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: J211850S3JS
Guaranteed to Fit
$799.95
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
  • 2003 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
Product Details
Emissions : 50-State LegalSeries : Cat4ward Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : Silver Ceramic CoatedCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 1-year JBA limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

EO Number : EO Number: D-57-29 & D-57-25Material : Made of Stainless SteelDesign : 4-1Head Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: G27GP131SC
Guaranteed to Fit
$956.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 8.1L Automatic Transmission, Without Air Injection, With EGR Fitting, CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 8.1L Automatic Transmission, Without Air Injection, With EGR Fitting, CARB E.O. D-411-11
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 8.1L Automatic Transmission, Without Air Injection, With EGR Fitting, CARB E.O. D-411-11
Product Details
Emissions : 50-State LegalSeries : Performance SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Ceramic CoatedCollector Diameter : Stock CollectorQuantity Sold : KitWarranty : Lifetime Gibson limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortEO Number : EO Number: D-411-9; D-411-11Primary Tube Gauge : 16 GaugeMaterial : Made of Stainless SteelDesign : 4-1Includes : With Premium gasket, installation hardware and Bolts/StudsCollector Attachment Style : OE Style FlangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: F3111142FLT
Guaranteed to Fit
$431.95
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L 4WD
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 6.0L RWD
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L RWD
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Painted BlackCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortPrimary Tube Gauge : 16 GaugeMaterial : Made of SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangedHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: J211850S3
Guaranteed to Fit
$641.45
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 HD Base 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
  • 2003 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
  • 2003 Chevrolet Silverado 2500 HD LS 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
  • 2003 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L Tube Size: 1 5/8 in , Direct Replacement For Factory Manifold, without Egr, without EGR
Product Details
Emissions : 50-State LegalSeries : Cat4ward Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : NaturalCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 1-year JBA limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

EO Number : EO Number: D-57-29 & D-57-25Primary Tube Gauge : 14 GaugeMaterial : Made of Stainless SteelDesign : 4-1Includes : With Gasket(s)Collector Attachment Style : Stock flangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: F3112000
Universal Fit
$311.95
Product Details
Notes : Fits Ford Small Block (289-351W Only)Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Block Hugger SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : Painted BlackCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortPrimary Tube Gauge : 16 GaugeMaterial : Made of SteelProduct Fit : UniversalDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangedHead Flange Thickness : 5/16 in. Thick Head Flange
Shorty Headers
Part Number: F3111576FLT
Universal Fit
$266.35
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : LS Swap SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : PolishedQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Made of Stainless SteelProduct Fit : UniversalHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: F3111575FLT
Universal Fit
$257.35
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : LS Swap SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : NaturalQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Made of Stainless SteelProduct Fit : UniversalHead Flange Thickness : 3/8 in. Thick Head Flange
Block Hugger Header, Set of 2
Part Number: F3111030
Universal Fit
$294.95
Product Details
Notes : Designed for custom installations utilizing a Chevrolet 396, 402, 407, and 454 Big Block V-8 EngineEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Block Hugger SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Painted BlackCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortPrimary Tube Gauge : 16 GaugeMaterial : Made of SteelProduct Fit : UniversalDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangedHead Flange Thickness : 5/16 in. Thick Head Flange
Shorty Headers
Part Number: F3111000
Universal Fit
$252.85
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Block Hugger SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : Painted BlackCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortPrimary Tube Gauge : 16 GaugeMaterial : Made of SteelProduct Fit : UniversalDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangedHead Flange Thickness : 5/16 in. Thick Head Flange
Shorty Headers
Part Number: F3111706FLT
Universal Fit
$349.95
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Block Hugger SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Painted BlackCollector Diameter : 2 1/2 in. CollectorQuantity Sold : KitWarranty : 90-day Flowtech warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Port Shape : Round PortMaterial : Made of SteelProduct Fit : UniversalDesign : 4-1Collector Attachment Style : FlangedHead Flange Thickness : 3/8 in. Thick Head Flange
Page 1 of 4 | Showing 1 - 15 of 59 results

Top Rated Products

Flowtech Shorty Headers
$431.95( Review)
they look and feel like top quality.. all needed installation parts included. hSee More
alvin l.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Q:Will this fit on a 98 3.9l magnum ?
Zane
A:BEST ANSWERHi Zane, thank you for reaching out! No, it will not fit. Let us know if you need further assistance. Have a great day! Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >
Q:Are these exact replacements for a stock exhaust manifold? Take off-put on? Show Less
Paul R.
A:BEST ANSWERHi Paul, I'm glad to assist you. Yes. These performance headers are direct bolt-on fit. Click on the link below for direct ordering to take advantage of our ongoing sale and limited stocks. I hope this helps and happy shopping. https://www.carparts.com/headers/flowtech/f3111000?can=CPAE1047_20220523 Show less
Arnel E.
 
4 Questions, 1 AnswerView all Q&As >
Q:any parts needed for install on the 454 big block v8?
Chef Rob
A:BEST ANSWERHi Robert, As per checking, this item comes with the necessary hardware for installation. Please click the link below for more information: https://documents.holley.com/11030-3901fltrev1.pdf Show less
Aldrin P.
 
5 Questions, 1 AnswerView all Q&As >