JBA 01-03 GM Truck 8.1L BBC Cat4Ward Header — 1-3/4in Primary Silver Ctd

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SKU: JBA1860SJS
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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.

Maximize Your GM Truck's Power with JBA Cat4Ward Headers

Boost the performance of your 2001-2003 GM Truck equipped with the massive 8.1L BBC engine (without EGR/A.I.R.) using JBA's premium Cat4Ward Headers. These headers are meticulously designed to replace restrictive factory exhaust manifolds, delivering a substantial increase in horsepower, torque, and overall engine efficiency. Constructed from durable stainless steel with a protective silver coating, they are built to withstand extreme conditions, ensuring long-lasting performance and reliability for heavy-duty applications.

Engineered for Maximum Output:

  • Superior Exhaust Flow: Engineered to significantly reduce exhaust backpressure, allowing your 8.1L BBC engine to breathe freely and generate maximum power.
  • Firecone Collector Technology: JBA's race-proven collector design optimizes torque and horsepower gains, particularly in the low to mid-RPM range crucial for towing and hauling.
  • Durable Silver Coated Construction: Made from high-quality stainless steel and finished with a silver coating for enhanced heat resistance and corrosion protection.
  • Direct Fit Installation: Designed for a precise fit on compatible GM trucks, including provisions for factory emissions equipment (where applicable) and all necessary hardware for a secure, leak-free installation.
  • Aggressive Exhaust Tone: Produces a deep, powerful exhaust note that signifies the enhanced performance of your big-block engine.

These JBA Cat4Ward Headers are an essential upgrade for heavy-duty GM trucks and SUVs, including Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 models from 2001-2003, as well as Chevrolet Suburban 2500 and GMC Yukon XL 2500. Experience improved throttle response, increased pulling power, and a more engaging driving experience. Trust JBA for quality and performance.

Enhance your heavy-duty GM truck's performance. Find these JBA headers and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2003 Chevrolet Avalanche 2500 Base
2001-2003 Chevrolet Silverado 2500 HD Base
2001-2003 Chevrolet Silverado 2500 HD LS
2001-2003 Chevrolet Silverado 2500 HD LT
2001-2003 Chevrolet Silverado 3500 Base
2001-2003 Chevrolet Silverado 3500 LS
2001 Chevrolet Suburban 2500 Base
2001-2003 Chevrolet Suburban 2500 LS
2001-2003 Chevrolet Suburban 2500 LT
2001-2002 GMC Sierra 2500 HD SL
2001-2003 GMC Sierra 2500 HD SLE
2001-2003 GMC Sierra 2500 HD SLT
2002-2003 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 3500 SL
2001-2003 GMC Sierra 3500 SLE
2001-2003 GMC Sierra 3500 SLT
2002-2003 GMC Sierra 3500 Base
2001-2003 GMC Yukon XL 2500 SLE
2001-2003 GMC Yukon XL 2500 SLT

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.

Maximize Your GM Truck's Power with JBA Cat4Ward Headers

Boost the performance of your 2001-2003 GM Truck equipped with the massive 8.1L BBC engine (without EGR/A.I.R.) using JBA's premium Cat4Ward Headers. These headers are meticulously designed to replace restrictive factory exhaust manifolds, delivering a substantial increase in horsepower, torque, and overall engine efficiency. Constructed from durable stainless steel with a protective silver coating, they are built to withstand extreme conditions, ensuring long-lasting performance and reliability for heavy-duty applications.

Engineered for Maximum Output:

  • Superior Exhaust Flow: Engineered to significantly reduce exhaust backpressure, allowing your 8.1L BBC engine to breathe freely and generate maximum power.
  • Firecone Collector Technology: JBA's race-proven collector design optimizes torque and horsepower gains, particularly in the low to mid-RPM range crucial for towing and hauling.
  • Durable Silver Coated Construction: Made from high-quality stainless steel and finished with a silver coating for enhanced heat resistance and corrosion protection.
  • Direct Fit Installation: Designed for a precise fit on compatible GM trucks, including provisions for factory emissions equipment (where applicable) and all necessary hardware for a secure, leak-free installation.
  • Aggressive Exhaust Tone: Produces a deep, powerful exhaust note that signifies the enhanced performance of your big-block engine.

These JBA Cat4Ward Headers are an essential upgrade for heavy-duty GM trucks and SUVs, including Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 models from 2001-2003, as well as Chevrolet Suburban 2500 and GMC Yukon XL 2500. Experience improved throttle response, increased pulling power, and a more engaging driving experience. Trust JBA for quality and performance.

Enhance your heavy-duty GM truck's performance. Find these JBA headers and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2003 Chevrolet Avalanche 2500 Base
2001-2003 Chevrolet Silverado 2500 HD Base
2001-2003 Chevrolet Silverado 2500 HD LS
2001-2003 Chevrolet Silverado 2500 HD LT
2001-2003 Chevrolet Silverado 3500 Base
2001-2003 Chevrolet Silverado 3500 LS
2001 Chevrolet Suburban 2500 Base
2001-2003 Chevrolet Suburban 2500 LS
2001-2003 Chevrolet Suburban 2500 LT
2001-2002 GMC Sierra 2500 HD SL
2001-2003 GMC Sierra 2500 HD SLE
2001-2003 GMC Sierra 2500 HD SLT
2002-2003 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 3500 SL
2001-2003 GMC Sierra 3500 SLE
2001-2003 GMC Sierra 3500 SLT
2002-2003 GMC Sierra 3500 Base
2001-2003 GMC Yukon XL 2500 SLE
2001-2003 GMC Yukon XL 2500 SLT

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.

Maximize Your GM Truck's Power with JBA Cat4Ward Headers

Boost the performance of your 2001-2003 GM Truck equipped with the massive 8.1L BBC engine (without EGR/A.I.R.) using JBA's premium Cat4Ward Headers. These headers are meticulously designed to replace restrictive factory exhaust manifolds, delivering a substantial increase in horsepower, torque, and overall engine efficiency. Constructed from durable stainless steel with a protective silver coating, they are built to withstand extreme conditions, ensuring long-lasting performance and reliability for heavy-duty applications.

Engineered for Maximum Output:

  • Superior Exhaust Flow: Engineered to significantly reduce exhaust backpressure, allowing your 8.1L BBC engine to breathe freely and generate maximum power.
  • Firecone Collector Technology: JBA's race-proven collector design optimizes torque and horsepower gains, particularly in the low to mid-RPM range crucial for towing and hauling.
  • Durable Silver Coated Construction: Made from high-quality stainless steel and finished with a silver coating for enhanced heat resistance and corrosion protection.
  • Direct Fit Installation: Designed for a precise fit on compatible GM trucks, including provisions for factory emissions equipment (where applicable) and all necessary hardware for a secure, leak-free installation.
  • Aggressive Exhaust Tone: Produces a deep, powerful exhaust note that signifies the enhanced performance of your big-block engine.

These JBA Cat4Ward Headers are an essential upgrade for heavy-duty GM trucks and SUVs, including Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 models from 2001-2003, as well as Chevrolet Suburban 2500 and GMC Yukon XL 2500. Experience improved throttle response, increased pulling power, and a more engaging driving experience. Trust JBA for quality and performance.

Enhance your heavy-duty GM truck's performance. Find these JBA headers and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2003 Chevrolet Avalanche 2500 Base
2001-2003 Chevrolet Silverado 2500 HD Base
2001-2003 Chevrolet Silverado 2500 HD LS
2001-2003 Chevrolet Silverado 2500 HD LT
2001-2003 Chevrolet Silverado 3500 Base
2001-2003 Chevrolet Silverado 3500 LS
2001 Chevrolet Suburban 2500 Base
2001-2003 Chevrolet Suburban 2500 LS
2001-2003 Chevrolet Suburban 2500 LT
2001-2002 GMC Sierra 2500 HD SL
2001-2003 GMC Sierra 2500 HD SLE
2001-2003 GMC Sierra 2500 HD SLT
2002-2003 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 3500 SL
2001-2003 GMC Sierra 3500 SLE
2001-2003 GMC Sierra 3500 SLT
2002-2003 GMC Sierra 3500 Base
2001-2003 GMC Yukon XL 2500 SLE
2001-2003 GMC Yukon XL 2500 SLT

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