JBA Shorty Header
1997–2006 Jeep Wrangler 4.0L
Part #: 1527S
Overview
The JBA Shorty Header in raw finish is a premium performance upgrade designed specifically for the Jeep Wrangler equipped with the 4.0L engine from 1997 through 2006. This header replaces the restrictive factory exhaust manifolds, improving exhaust flow to enhance engine efficiency and power output. Ideal for Jeep enthusiasts seeking a reliable and durable solution, the JBA Shorty Header delivers noticeable gains in horsepower and torque while maintaining compatibility with factory emission systems.
Built to withstand the rigors of daily driving, off-road adventures, towing, and even racing conditions, this header is a versatile upgrade that balances performance with long-lasting durability. Its design focuses on maximizing power where it matters most, providing a solid foundation for further modifications or standalone improvements.
Key Features
The JBA Shorty Header incorporates advanced engineering and quality materials to ensure superior performance and fitment. Key features include:
- Mandrel bent stainless steel tubing for smooth exhaust flow and durability
- Proprietary JBA Firecone collector design, proven in racing applications to optimize power and torque
- Extra thick collector domes for enhanced strength and heat resistance
- 3/8" thick machined flanges with oversized exhaust ports to reduce flow restrictions
- Factory style emission connections to maintain compliance and ease of installation
- Raw finish that allows for custom coating or heat wrapping if desired
- Includes high-quality hardware for a secure, leak-free installation
Construction & Design
Constructed from premium stainless steel, the JBA Shorty Header is engineered to resist corrosion and withstand high temperatures encountered during intense driving conditions. The mandrel bending process ensures consistent tube diameter throughout the bends, minimizing turbulence and maximizing exhaust gas velocity. The thick machined flanges provide a precise sealing surface, preventing leaks and ensuring a tight fit to the cylinder head.
The innovative Firecone collector merges exhaust gases efficiently, enhancing scavenging effects that contribute to improved engine breathing and performance. The raw finish offers flexibility for enthusiasts who prefer to apply ceramic coatings or heat wraps to further protect the header and manage under-hood temperatures.
Performance & Sound
By replacing the restrictive stock manifolds, the JBA Shorty Header significantly improves exhaust flow, resulting in increased horsepower and torque across the powerband. Drivers will notice enhanced throttle response and a more aggressive exhaust note without excessive drone. The design balances performance gains with a refined sound suitable for both daily driving and spirited off-road use.
Installation & Fitment
This header is designed as a direct bolt-on replacement for Jeep Wrangler models from 1997 to 2006 equipped with the 4.0L inline-six engine. It utilizes factory-style emission connections, allowing for a straightforward installation without the need for extensive modifications or custom fabrication. Installation typically requires standard hand tools and mechanical knowledge, making it accessible for experienced DIYers and professional installers alike.
What's Included
- JBA Shorty Header (Raw Finish)
- Factory style emission connectors
- High-quality installation hardware
- Detailed installation instructions
Ideal For
This JBA Shorty Header is perfect for Jeep Wrangler owners who want to unlock additional power and efficiency from their 4.0L engine without sacrificing reliability or emissions compliance. It suits daily drivers, off-road enthusiasts, and those looking to enhance towing capability or prepare their vehicle for further performance upgrades.
JBA Performance Exhaust is known for performance headers and exhaust systems for cars and trucks, including street and race-oriented configurations. Their lineup is built to improve exhaust flow and deliver a stronger performance sound, with many applications geared toward enthusiast builds that want power gains without sacrificing fitment.
JBA Shorty Header (Raw Finish): Jeep Wrangler 4.0L 2000 - 2006
- Unit price
- /per
PART # 1527S
1527S JBA 00-06 Jeep Wrangler Shorty Header. JBA Shorty Headers offer a significant performance upgrade by reducing exhaust restrictions and boosting engine power and efficiency. Crafted from durable mandrel-bent stainless steel with thick collector domes and machined flanges, these headers withstand racing, towing, and daily driving demands. The proprietary Firecone collector design maximizes power and torque gains, while factory-style emission connections ensure a seamless, no-leak installation. Enhance your Jeep Wrangler's performance with JBA’s race-proven technology and quality hardware.
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JBA Shorty Header
1997–2006 Jeep Wrangler 4.0L
Part #: 1527S
Overview
The JBA Shorty Header in raw finish is a premium performance upgrade designed specifically for the Jeep Wrangler equipped with the 4.0L engine from 1997 through 2006. This header replaces the restrictive factory exhaust manifolds, improving exhaust flow to enhance engine efficiency and power output. Ideal for Jeep enthusiasts seeking a reliable and durable solution, the JBA Shorty Header delivers noticeable gains in horsepower and torque while maintaining compatibility with factory emission systems.
Built to withstand the rigors of daily driving, off-road adventures, towing, and even racing conditions, this header is a versatile upgrade that balances performance with long-lasting durability. Its design focuses on maximizing power where it matters most, providing a solid foundation for further modifications or standalone improvements.
Key Features
The JBA Shorty Header incorporates advanced engineering and quality materials to ensure superior performance and fitment. Key features include:
- Mandrel bent stainless steel tubing for smooth exhaust flow and durability
- Proprietary JBA Firecone collector design, proven in racing applications to optimize power and torque
- Extra thick collector domes for enhanced strength and heat resistance
- 3/8" thick machined flanges with oversized exhaust ports to reduce flow restrictions
- Factory style emission connections to maintain compliance and ease of installation
- Raw finish that allows for custom coating or heat wrapping if desired
- Includes high-quality hardware for a secure, leak-free installation
Construction & Design
Constructed from premium stainless steel, the JBA Shorty Header is engineered to resist corrosion and withstand high temperatures encountered during intense driving conditions. The mandrel bending process ensures consistent tube diameter throughout the bends, minimizing turbulence and maximizing exhaust gas velocity. The thick machined flanges provide a precise sealing surface, preventing leaks and ensuring a tight fit to the cylinder head.
The innovative Firecone collector merges exhaust gases efficiently, enhancing scavenging effects that contribute to improved engine breathing and performance. The raw finish offers flexibility for enthusiasts who prefer to apply ceramic coatings or heat wraps to further protect the header and manage under-hood temperatures.
Performance & Sound
By replacing the restrictive stock manifolds, the JBA Shorty Header significantly improves exhaust flow, resulting in increased horsepower and torque across the powerband. Drivers will notice enhanced throttle response and a more aggressive exhaust note without excessive drone. The design balances performance gains with a refined sound suitable for both daily driving and spirited off-road use.
Installation & Fitment
This header is designed as a direct bolt-on replacement for Jeep Wrangler models from 1997 to 2006 equipped with the 4.0L inline-six engine. It utilizes factory-style emission connections, allowing for a straightforward installation without the need for extensive modifications or custom fabrication. Installation typically requires standard hand tools and mechanical knowledge, making it accessible for experienced DIYers and professional installers alike.
What's Included
- JBA Shorty Header (Raw Finish)
- Factory style emission connectors
- High-quality installation hardware
- Detailed installation instructions
Ideal For
This JBA Shorty Header is perfect for Jeep Wrangler owners who want to unlock additional power and efficiency from their 4.0L engine without sacrificing reliability or emissions compliance. It suits daily drivers, off-road enthusiasts, and those looking to enhance towing capability or prepare their vehicle for further performance upgrades.
JBA Performance Exhaust is known for performance headers and exhaust systems for cars and trucks, including street and race-oriented configurations. Their lineup is built to improve exhaust flow and deliver a stronger performance sound, with many applications geared toward enthusiast builds that want power gains without sacrificing fitment.
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YEARMAKEMODELSUBMODEL1991 - 2006JeepWrangler4.0L I6
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Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
Standard shipping
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Free Easy Returns
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.