JBA Cat4Ward Headers 1-5/8in Primary — Fits 03-08 Dodge RAM 5.7L HEMI

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SKU: JBA1961S-1JS
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About JBA

JBA engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JBA lineup with fast shipping and expert fitment support — order with confidence.

JBA Cat4Ward Headers for Dodge RAM 5.7L HEMI (2003-2008)

Maximize the performance of your 2003-2008 Dodge RAM equipped with the powerful 5.7L HEMI engine with these JBA Cat4Ward Headers. Engineered to replace restrictive factory exhaust manifolds, these headers significantly enhance exhaust gas flow, delivering substantial gains in horsepower and torque.

Key Performance Enhancements:

  • Optimized Exhaust Flow: The 1-5/8 inch primary tubes provide a smoother, less restrictive path for exhaust gases, allowing the HEMI engine to breathe more freely and produce more power.
  • Increased Horsepower & Torque: Experience a dramatic improvement in acceleration and overall power output, perfect for trucks used for towing, hauling, or spirited driving.
  • Aggressive Exhaust Note: These headers contribute to a deeper, more aggressive exhaust tone that complements the muscle of the HEMI engine.
  • Durable Stainless Steel Construction: Built from high-quality stainless steel for excellent durability and resistance to corrosion, ensuring long-term performance.

Advanced JBA Design:

  • Firecone Collector: JBA's race-proven Firecone collector design optimizes exhaust flow and maximizes power gains.
  • Silver Ceramic Coating: The attractive silver ceramic coating offers thermal protection, reducing under-hood temperatures and enhancing durability.
  • Emissions Connections: Designed with factory-style emission connections for straightforward integration and compliance.
  • Complete Hardware Kit: Includes all necessary high-quality hardware for a professional, leak-free installation.

These JBA Cat4Ward Headers are a critical upgrade for any Dodge RAM 5.7L HEMI owner looking to unleash their truck's full potential. Get superior performance and sound from your HEMI with this premium exhaust component from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2008 Dodge Ram 1500 Laramie
2003-2008 Dodge Ram 1500 SLT
2003-2008 Dodge Ram 1500 ST
2006-2007 Dodge Ram 1500 Sport
2006-2007 Dodge Ram 1500 TRX4
2008 Dodge Ram 1500 SXT
2003 Dodge Ram 2500 Laramie
2003-2008 Dodge Ram 2500 SLT
2003-2008 Dodge Ram 2500 ST
2005-2008 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2007 Dodge Ram 2500 TRX4
2008 Dodge Ram 2500 SXT
2003-2008 Dodge Ram 3500 Laramie
2003-2008 Dodge Ram 3500 SLT
2006-2007 Dodge Ram 3500 Sport
2008 Dodge Ram 3500 SXT

Product Details

Product Description
Part Numbers
Sizing & Fit

About JBA

JBA engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JBA lineup with fast shipping and expert fitment support — order with confidence.

JBA Cat4Ward Headers for Dodge RAM 5.7L HEMI (2003-2008)

Maximize the performance of your 2003-2008 Dodge RAM equipped with the powerful 5.7L HEMI engine with these JBA Cat4Ward Headers. Engineered to replace restrictive factory exhaust manifolds, these headers significantly enhance exhaust gas flow, delivering substantial gains in horsepower and torque.

Key Performance Enhancements:

  • Optimized Exhaust Flow: The 1-5/8 inch primary tubes provide a smoother, less restrictive path for exhaust gases, allowing the HEMI engine to breathe more freely and produce more power.
  • Increased Horsepower & Torque: Experience a dramatic improvement in acceleration and overall power output, perfect for trucks used for towing, hauling, or spirited driving.
  • Aggressive Exhaust Note: These headers contribute to a deeper, more aggressive exhaust tone that complements the muscle of the HEMI engine.
  • Durable Stainless Steel Construction: Built from high-quality stainless steel for excellent durability and resistance to corrosion, ensuring long-term performance.

Advanced JBA Design:

  • Firecone Collector: JBA's race-proven Firecone collector design optimizes exhaust flow and maximizes power gains.
  • Silver Ceramic Coating: The attractive silver ceramic coating offers thermal protection, reducing under-hood temperatures and enhancing durability.
  • Emissions Connections: Designed with factory-style emission connections for straightforward integration and compliance.
  • Complete Hardware Kit: Includes all necessary high-quality hardware for a professional, leak-free installation.

These JBA Cat4Ward Headers are a critical upgrade for any Dodge RAM 5.7L HEMI owner looking to unleash their truck's full potential. Get superior performance and sound from your HEMI with this premium exhaust component from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2008 Dodge Ram 1500 Laramie
2003-2008 Dodge Ram 1500 SLT
2003-2008 Dodge Ram 1500 ST
2006-2007 Dodge Ram 1500 Sport
2006-2007 Dodge Ram 1500 TRX4
2008 Dodge Ram 1500 SXT
2003 Dodge Ram 2500 Laramie
2003-2008 Dodge Ram 2500 SLT
2003-2008 Dodge Ram 2500 ST
2005-2008 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2007 Dodge Ram 2500 TRX4
2008 Dodge Ram 2500 SXT
2003-2008 Dodge Ram 3500 Laramie
2003-2008 Dodge Ram 3500 SLT
2006-2007 Dodge Ram 3500 Sport
2008 Dodge Ram 3500 SXT

Product Details

Product Description

About JBA

JBA engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JBA lineup with fast shipping and expert fitment support — order with confidence.

JBA Cat4Ward Headers for Dodge RAM 5.7L HEMI (2003-2008)

Maximize the performance of your 2003-2008 Dodge RAM equipped with the powerful 5.7L HEMI engine with these JBA Cat4Ward Headers. Engineered to replace restrictive factory exhaust manifolds, these headers significantly enhance exhaust gas flow, delivering substantial gains in horsepower and torque.

Key Performance Enhancements:

  • Optimized Exhaust Flow: The 1-5/8 inch primary tubes provide a smoother, less restrictive path for exhaust gases, allowing the HEMI engine to breathe more freely and produce more power.
  • Increased Horsepower & Torque: Experience a dramatic improvement in acceleration and overall power output, perfect for trucks used for towing, hauling, or spirited driving.
  • Aggressive Exhaust Note: These headers contribute to a deeper, more aggressive exhaust tone that complements the muscle of the HEMI engine.
  • Durable Stainless Steel Construction: Built from high-quality stainless steel for excellent durability and resistance to corrosion, ensuring long-term performance.

Advanced JBA Design:

  • Firecone Collector: JBA's race-proven Firecone collector design optimizes exhaust flow and maximizes power gains.
  • Silver Ceramic Coating: The attractive silver ceramic coating offers thermal protection, reducing under-hood temperatures and enhancing durability.
  • Emissions Connections: Designed with factory-style emission connections for straightforward integration and compliance.
  • Complete Hardware Kit: Includes all necessary high-quality hardware for a professional, leak-free installation.

These JBA Cat4Ward Headers are a critical upgrade for any Dodge RAM 5.7L HEMI owner looking to unleash their truck's full potential. Get superior performance and sound from your HEMI with this premium exhaust component from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2008 Dodge Ram 1500 Laramie
2003-2008 Dodge Ram 1500 SLT
2003-2008 Dodge Ram 1500 ST
2006-2007 Dodge Ram 1500 Sport
2006-2007 Dodge Ram 1500 TRX4
2008 Dodge Ram 1500 SXT
2003 Dodge Ram 2500 Laramie
2003-2008 Dodge Ram 2500 SLT
2003-2008 Dodge Ram 2500 ST
2005-2008 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2007 Dodge Ram 2500 TRX4
2008 Dodge Ram 2500 SXT
2003-2008 Dodge Ram 3500 Laramie
2003-2008 Dodge Ram 3500 SLT
2006-2007 Dodge Ram 3500 Sport
2008 Dodge Ram 3500 SXT

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