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2003 Chevrolet Avalanche 1500

2003 Chevrolet Avalanche 1500 Headers

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Shorty Headers
Part Number: B454005
Guaranteed to Fit
$499.99
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 Z71 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 On Road Edition 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 WBH 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 Base 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 North Face 8 Cyl 5.3L
Product Details
Emissions : 50-State LegalSeries : Performance Replacement SeriesHeader Style : ShortyPrimary Tube Diameter : 1.75 in. Primary TubeColor Finish : Titanium Ceramic CoatedCollector Diameter : 3 in. CollectorQuantity Sold : KitWarranty : 1-year BBK 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 : D-245-18Primary Tube Gauge : 14 GaugeMaterial : Made of SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: F3191843FLT
Guaranteed to Fit
$413.95
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 On Road Edition 8 Cyl 5.3L Intended For Race Use Only; 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 Z71 8 Cyl 5.3L Intended For Race Use Only; 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 WBH 8 Cyl 5.3L Intended For Race Use Only; 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 Base 8 Cyl 5.3L Intended For Race Use Only; 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 North Face 8 Cyl 5.3L Intended For Race Use Only; 1.625 in. Primary Tubing
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Shorty 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 SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangedHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: B4540050
Guaranteed to Fit
$549.99
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 Z71 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 On Road Edition 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 WBH 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 Base 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 North Face 8 Cyl 5.3L
Product Details
Emissions : 50-State LegalSeries : Shorty Tuned SeriesHeader Style : ShortyPrimary Tube Diameter : 1 3/4 in. Primary TubeColor Finish : Silver Ceramic CoatedCollector Diameter : 3 in. CollectorQuantity Sold : KitWarranty : 1-year BBK limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including chemicals, 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-245-18Primary Tube Gauge : 14 GaugeMaterial : Made of SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : FlangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: F31918431FLT
Guaranteed to Fit
$547.95
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 On Road Edition 8 Cyl 5.3L 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 Z71 8 Cyl 5.3L 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 WBH 8 Cyl 5.3L 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 Base 8 Cyl 5.3L 1.625 in. Primary Tubing
  • 2003 Chevrolet Avalanche 1500 North Face 8 Cyl 5.3L 1.625 in. Primary Tubing
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 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: F31918361
Guaranteed to Fit
$670.95
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 On Road Edition 8 Cyl 5.3L RWD, Stock Replacement, Bolts Directly To Factory Headpipes, Without EGR, 50 States Emissions Legal, CARB E.O. D-115-16
  • 2003 Chevrolet Avalanche 1500 Base 8 Cyl 5.3L 4WD, Stock Replacement, Bolts Directly To Factory Headpipes, Without EGR, 50 States Emissions Legal, CARB E.O. D-115-16
  • 2003 Chevrolet Avalanche 1500 North Face 8 Cyl 5.3L 4WD, Stock Replacement, Bolts Directly To Factory Headpipes, Without EGR, 50 States Emissions Legal, CARB E.O. D-115-16
  • 2003 Chevrolet Avalanche 1500 Z71 8 Cyl 5.3L 4WD, Stock Replacement, Bolts Directly To Factory Headpipes, Without EGR, 50 States Emissions Legal, CARB E.O. D-115-16
  • 2003 Chevrolet Avalanche 1500 WBH 8 Cyl 5.3L RWD, Stock Replacement, Bolts Directly To Factory Headpipes, Without EGR, 50 States Emissions Legal, CARB E.O. D-115-16
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Shorty SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 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: G27GP129S
Guaranteed to Fit
$886.99
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 All Submodels All Engines CARB E.O. D-411-11
Product Details
Emissions : 50-State LegalSeries : Performance SeriesHeader Style : ShortyPrimary Tube Diameter : 1 1/2 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-411-9; 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: G27GP129SC
Guaranteed to Fit
$924.99
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 All Submodels All Engines CARB E.O. D-411-11
Product Details
Emissions : 50-State LegalSeries : Performance SeriesHeader Style : ShortyPrimary Tube Diameter : 1 1/2 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 PortProvision : EGREO Number : EO Number: D-411-9; D-411-11Primary Tube Gauge : 16 GaugeMaterial : Made of Stainless SteelDesign : 4-1Includes : With Gaskets and Bolts/StudsCollector Attachment Style : OE Style FlangeHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: A1548-44001
Guaranteed to Fit
$1,052.00
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 Z71 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 On Road Edition 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 WBH 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 Base 8 Cyl 5.3L
  • 2003 Chevrolet Avalanche 1500 North Face 8 Cyl 5.3L
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Power Twisted Steel SeriesHeader Style : ShortyPrimary Tube Diameter : 1.625 in. Primary TubeColor Finish : NaturalQuantity Sold : KitWarranty : 2-year AFE 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: N/A - No CA ShipmentsMaterial : Made of Stainless SteelHead Flange Thickness : 3/8 in. Thick Head Flange
Shorty Headers
Part Number: KCH28501120
Guaranteed to Fit
$1,940.99
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 All Submodels All Engines Shorty Headers
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Series : Performance Replacement SeriesHeader Style : ShortyPrimary Tube Diameter : 1 5/8 in. Primary TubeColor Finish : NaturalQuantity Sold : KitWarranty : Lifetime Kooks 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.

Material : Made of Stainless SteelHead Flange Thickness : 3/8 in. Thick Head Flange
Long Tube Headers
Part Number: KCH2851H220
Guaranteed to Fit
$3,231.49
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 All Submodels All Engines With Catted Connection Kit, Intended For Race Use Only
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Header Style : Long TubePrimary Tube Diameter : 1.75 in. Primary TubeColor Finish : NaturalQuantity Sold : KitWarranty : Lifetime Kooks 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.

Material : Made of Stainless SteelProduct Fit : Direct Fit
Long Tube Headers
Part Number: KCH2851H420
Guaranteed to Fit
$3,438.99
Vehicle Fitment
  • 2003 Chevrolet Avalanche 1500 All Submodels All Engines With Catted Connection Kit, Intended For Race Use Only
Product Details
Emissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)Header Style : Long TubePrimary Tube Diameter : 1.88 in. Primary TubeColor Finish : NaturalQuantity Sold : KitWarranty : Lifetime Kooks 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.

Material : Made of Stainless SteelProduct Fit : Direct Fit
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
Page 1 of 5 | Showing 1 - 15 of 61 results

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