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Headers for 2003 Dodge Ram 1500

We have 25 Items In-stock. Select your vehicle's Submodel to continue.

Gibson - Performance Headers

GIBSON – PERFORMANCE HEADERS

Gibson’s Performance Headers are proven to increase horsepower by an impressive 20 hp and torque by as much as 30 lbs – a significant boost whether you’re on the track or the street. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Designed to replace factory exhaust manifold and utilize factory cross-over pipes
  • Streamlines air flow
  • Thick, 3/8” heavy-duty laser-cut flanges will not warp or leak - guaranteed
  • Choose ceramic coat, nickel-plated or stainless steel finish
  • Backed by a lifetime warranty
  • No welding required – easy to bolt-on
  • Engine lasts longer because it operates at cooler temperatures
  • Improved efficiency also directly improves gas mileage
  • Proven to improve torque by up to 30 lbs and horsepower up to 20 hp
  • Direct fit by vehicle year, make and model
  • Designed and manufactured in the USA

Gibson Performance Headers - Chrome, Mild Steel, 4-1, Direct Fit

$444.22 $672.53 You Save $228.31 (34%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Gibson GP301
  • Series: Gibson Performance
  • Material: Mild Steel
  • Design: 4-1
  • Color/Finish: Chrome
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-411-8
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: OE Style Flange
  • Collector Diameter: Stock
  • Equal Length Primary Tubes: No
  • Gaskets Included: Premium Carbon Composite Gasket
  • Head Flange Style: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 1/2 in.
  • Primary Tube Thickness: 14 Gauge
  • Primary Tube Wall Thickness: 14-gauge
  • Warranty: Lifetime Gibson limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 5.9L | ST, Laramie, SLT
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Customer Review: (see review/s)
  • over all these headers are good. the drivers side took the longest time do to the lack of space for the bolts. I can feel the difference when Im towing. The sound is a little different from stock......but have not got the whole system yet.....

    posted by: bman on September 6, 2013

Gibson Performance Headers - Ceramic Coated, Stainless Steel, 4-1, Direct Fit

$524.65 $955.50 You Save $430.85 (45%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Gibson GP301S-C
  • Series: Gibson Performance
  • Material: Stainless Steel
  • Design: 4-1
  • Color/Finish: Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-411-8
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: OE Style Flange
  • Collector Diameter: Stock
  • Equal Length Primary Tubes: No
  • Gaskets Included: Premium Carbon Composite Gasket
  • Head Flange Style: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 1/2 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: Lifetime Gibson limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 5.9L | ST, Laramie, SLT
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Gibson Performance Headers - Chrome, Mild Steel, 4-1, Direct Fit

$373.07 $672.53 You Save $299.46 (45%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Gibson GP309
  • Series: Gibson Performance
  • Material: Mild Steel
  • Design: 4-1
  • Color/Finish: Chrome
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-411-8
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: OE Style Flange
  • Collector Diameter: Stock
  • Equal Length Primary Tubes: No
  • Gaskets Included: Premium Carbon Composite Gasket
  • Head Flange Style: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 1/2 in.
  • Primary Tube Thickness: 14 Gauge
  • Primary Tube Wall Thickness: 14-gauge
  • Warranty: Lifetime Gibson limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 4.7L | SLT, ST, Laramie
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Pacesetter - Quik-Trip Long Tube Headers

PACESETTER – QUIK-TRIP LONG TUBE HEADERS

Pacesetter’s Long Tube headers are proven to increase horsepower, torque and also give you a significant boost in off-road performance. Pacesetter, known for their exhausts, has been a leading manufacturer of performance headers and exhaust systems since their inception in 1974.

  • Designed to replace factory exhaust manifold and down tube
  • Streamlines air flow
  • Thick, machined steel flanges
  • Choose ArmorCoat ceramic coat or black painted finish
  • Made from 16-gauge aluminized steel that is corrosion-resistant
  • Backed by a 3-year warranty
  • Includes mounting hardware and adapters
  • Proven to improve torque and horsepower
  • Made for trucks to be used in off-road applications
  • Direct fit by vehicle year, make and model
  • Designed and manufactured in the USA

Pacesetter Quik-Trip Long Tube Headers - Painted Black, Mild Steel, 4-1, Direct Fit

$311.99 $481.68 You Save $169.69 (35%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Pacesetter 70-2211
  • Series: Pacesetter Quik-Trip Long Tube
  • Material: Mild Steel
  • Design: 4-1
  • Color/Finish: Painted Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Factory Location
  • Collector Diameter: 3 in.
  • Equal Length Primary Tubes: Yes
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 3/8 in.
  • Header Style: Long Tube
  • Includes: Necessary gaskets and fasteners
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 3/4 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Provision: Oxygen sensor
  • Warranty: 3-year Pacesetter limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 5.7L | SLT, ST, Laramie
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Pacesetter Quik-Trip Long Tube Headers - Ceramic Coated, Mild Steel, 4-1, Direct Fit

$476.61 $783.22 You Save $306.61 (39%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Pacesetter 72C2211
  • Series: Pacesetter Quik-Trip Long Tube
  • Material: Mild Steel
  • Design: 4-1
  • Color/Finish: Ceramic Coated
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Factory Location
  • Collector Diameter: 3 in.
  • Equal Length Primary Tubes: Yes
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 3/8 in.
  • Header Style: Long Tube
  • Includes: Gasket(s)
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 3/4 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Provision: O2 sensor
  • Warranty: 3-year Pacesetter limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 5.7L | SLT, ST, Laramie
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Pacesetter - Shorty Headers

PACESETTER – SHORTY HEADERS

Pacesetter’s Shorty headers are proven to increase horsepower, torque, fuel economy and also give you a nice new rumble. Pacesetter, known for their exhausts, has been a leading manufacturer of performance headers and exhaust systems since their inception in 1974.

  • Designed to replace factory exhaust manifold
  • Streamlines air flow
  • Thick, machined steel flanges
  • Connects right to factory Y pipe
  • Choose ArmorCoat ceramic coat or black painted finish
  • Made from 16-gauge aluminized steel that is corrosion-resistant
  • Backed by a 3-year warranty
  • Includes mounting hardware and adapters
  • Proven to improve torque, horsepower and gas mileage
  • Made for V6 and V8 SUVs and trucks
  • Direct fit by vehicle year, make and model
  • Designed and manufactured in the USA

Pacesetter Shorty Headers - Painted Black, Mild Steel, 4-1, Direct Fit

Best Seller
$236.83 $359.95 You Save $123.12 (34%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Pacesetter 70-1315
  • Series: Pacesetter Shorty
  • Material: Mild Steel
  • Design: 4-1
  • Color/Finish: Painted Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: 2 1/2 in.
  • Equal Length Primary Tubes: No
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Includes: Pipes, mounting hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 1/2 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: 3-year Pacesetter limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 5.9L | ST, Laramie, SLT
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JBA Cat4ward Shorty Headers

JBA – CAT4WARD SHORTY HEADERS

Want to find a way to unleash extra horsepower and torque from your engine and stay smog legal in all 50 states? JBA offers just what you need, a set of JBA Cat4ward Shorty Headers will help your vehicle to achieve a bump in power while keeping your vehicle 50-state smog legal. JBA rose to fame back in 1987 by focusing on creating headers with massive horsepower and torque gains while remaining completely smog legal in all 50 states. In order to achieve this, JBA did not compromise on fit, durability and quality. You can rest assured that JBA put in the extra effort required to give your vehicle a noticeable jump in horsepower and torque while keeping it street legal. Besides offering the widest selection anywhere of 50 state smog legal headers, JBA also makes a full lineup of exhausts, mid-pipes and even headers for use in motorsports.

  • Perfect for towing vehicles and motor homes
  • Prevents warping with heavy 3/8 inch laser cut head flanges
  • Exhaust port design is oversized
  • Compatible with ported heads
  • Race-proven design
  • Smooth exhaust flow from mandrel bent tubes
  • One of the finest 50 state smog legal aftermarket performance parts available anywhere
  • Choose from titanium ceramic, silver ceramic or stainless steel finishes
  • Both silver and titanium ceramic finishes block heat for lower temps under hood
  • Largest selection of 50-state smog legal headers available anywhere
  • Heavy gauge tubing lowers header noise and makes for a better exhaust note for most cars

NOTE: JBA Cat4ward Shorty Headers are available in two styles; competition versions for off-road and racetrack use only and 50 state smog legal versions for on-road use.

JBA Cat4ward Shorty Headers - Natural, Stainless Steel, 3-1, Direct Fit

$398.39 $574.62 You Save $176.23 (31%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: JBA 1931S
  • Series: JBA Cat4ward Shorty
  • Material: Stainless Steel
  • Design: 3-1
  • Color/Finish: Natural
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-57-32
  • Anticipated Ship Out Time: 6-7 business days
  • Collector Diameter: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1 1/2 in.
  • Warranty: 1-year JBA limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 6 Cyl 3.7L | SLT, Laramie
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JBA Cat4ward Shorty Headers - Ceramic Coated, Stainless Steel, 3-1, Direct Fit

$525.53 $774.67 You Save $249.14 (32%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: JBA 1931SJS
  • Series: JBA Cat4ward Shorty
  • Material: Stainless Steel
  • Design: 3-1
  • Color/Finish: Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-57-32
  • Anticipated Ship Out Time: 6-7 business days
  • Collector Diameter: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1 1/2 in.
  • Warranty: 1-year JBA limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 6 Cyl 3.7L | SLT, Laramie
See more

JBA Cat4ward Shorty Headers - Ceramic Coated, Stainless Steel, 3-1, Direct Fit

$525.53 $774.67 You Save $249.14 (32%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: JBA 1931SJT
  • Series: JBA Cat4ward Shorty
  • Material: Stainless Steel
  • Design: 3-1
  • Color/Finish: Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-57-32
  • Anticipated Ship Out Time: 6-7 business days
  • Collector Diameter: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1 1/2 in.
  • Warranty: 1-year JBA limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 6 Cyl 3.7L | SLT, Laramie
See more

Hedman Painted Hedders

HEDMAN – PAINTED HEDDERS

Is that power-robbing stock manifold still on your vehicle? If you answered yes, then replace it with a Hedman Painted Header to lower your operating temps and release extra horsepower and torque from your engine. These hedders are designed for painting, so order a can of header paint in the color that best suits your vehicle. Hedman Hedders have always been made in the USA since the company was founded over 50 years ago. Bob Hedman started out making hedders as a one man shop but word spread fast about the horsepower and torque that Hedman hedders were producing. His hedders have been in demand by top engine builders and racers since the start. Hedman’s time perfecting hedders on the track and on the dyno ensures you will get optimum performance with every Hedman Header whether it is installed on your race car or daily driver.

  • Perfect for hot rod builds on a tight budget
  • Proudly manufactured in U.S.A.
  • Tubing size is 16 to 18 gauge depending on model
  • Size of flanges are 5/16 inch
  • These hedders are designed to be painted, so pick up a can of header paint in a color of your choice

NOTE: Not legal for use or sale in California on vehicles that came equipped with emission controls from the factory.

Hedman Painted Hedders Headers - Painted Black, Steel, 4-1, Direct Fit

$385.44 $801.42 You Save $415.98 (52%)
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Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Hedman 79580
  • Series: Hedman Painted Hedders
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Painted Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: Stock
  • Emissions Legality: 49-State Legal - no CA shipments
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 1/4 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 1/2 in.
  • Primary Tube Thickness: 18 Gauge
  • Primary Tube Wall Thickness: 18-gauge
  • Warranty: Lifetime Hedman limited warranty
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Fits the following 2003 Dodge Ram 1500 Submodels

  • 8 Cyl 5.7L | SLT, ST, Laramie
See more

More results for 2003 Dodge Ram 1500 Headers

  • Hedman Hi-Tech Coating (HTC) Hedders

    HEDMAN – HI-TECH COATING (HTC) HEDDERS

    Do you drive your vehicle in extreme high heat conditions such as when racing or towing? If you answered yes, then replace your power-robbing stock manifold with... (see more)

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