Injen Performance Header

1997–2006 Jeep Wrangler 4.0L 6-Cyl

PF5001P

Overview:

The Injen Performance Header with Diamond Plate Heat Shield is engineered specifically for Jeep Wrangler models from 1997 to 2006, delivering enhanced exhaust flow and improved engine efficiency. Designed for Jeep enthusiasts seeking to boost horsepower and torque without compromising reliability, this header upgrade offers a direct-fit solution that integrates seamlessly with your vehicle’s existing setup. Whether you’re tackling off-road trails or cruising the streets, this header adds performance and a more aggressive engine tone to your Wrangler.

Built by Injen Technology, a trusted name in automotive performance parts, this header is crafted to maximize exhaust scavenging and reduce backpressure, resulting in noticeable power gains and improved throttle response. The included diamond plate heat shield protects vital components from excessive heat, ensuring durability and consistent performance under demanding conditions.

Key Features:

Designed to enhance your Jeep Wrangler’s performance, the Injen Performance Header offers the following key features:

• Direct-fit design for Jeep Wrangler 1997–2006 4.0L 6-cylinder engines
• Diamond plate heat shield included to protect engine bay components from heat
• Constructed from high-quality materials for durability and long-lasting performance
• Improves exhaust flow to increase horsepower and torque output
• Enhances throttle response and engine efficiency
• Provides a more aggressive and sporty engine sound under full throttle
• Easy installation with all necessary hardware included
• Engineered and manufactured by Injen Technology in Pomona, California, USA

Construction & Design:

The Injen Performance Header is crafted from premium-grade materials designed to withstand the heat and stress of high-performance driving. The header tubing is precision-formed to optimize exhaust gas flow, reducing restrictions and backpressure. The diamond plate heat shield is robustly constructed to provide effective thermal protection, shielding sensitive engine components from excessive heat buildup. This combination of quality materials and thoughtful engineering ensures that the header not only performs well but also maintains durability over time.

Performance & Sound

By improving exhaust scavenging and reducing backpressure, the Injen Performance Header delivers measurable gains in horsepower and torque, enhancing your Jeep Wrangler’s overall driving dynamics. The improved exhaust flow also contributes to a more aggressive engine tone, giving your Wrangler a distinctive and powerful sound under acceleration. These performance enhancements make the header an excellent upgrade for drivers seeking both power and auditory feedback from their vehicle.

Installation & Fitment:

This header is designed as a direct-fit replacement for Jeep Wrangler models equipped with the 4.0L 6-cylinder engine from 1997 through 2006. Installation requires no major modifications, and all necessary hardware is included to facilitate a straightforward bolt-on process. Detailed instructions are provided to assist with proper installation, making it accessible for experienced DIY enthusiasts and professional installers alike.

What’s Included

• Injen Performance Header
• Diamond Plate Heat Shield
• Installation Hardware
• Detailed Installation Instructions

Ideal For:

This header is ideal for Jeep Wrangler owners who want to increase engine performance and improve exhaust sound without extensive modifications. It suits off-road enthusiasts, daily drivers, and anyone looking to enhance their vehicle’s power and responsiveness while maintaining reliability and factory-like fitment.

Emissions Note

This product is designed for Jeep Wrangler models from 1997 to 2006. Please verify local emissions regulations before installation, as modifications to the exhaust system may affect compliance. Injen Technology provides a limited lifetime warranty on this part, ensuring long-term quality and performance.

Injen is a performance intake and airflow brand best known for dyno-proven cold air intakes and intake systems built for enthusiast street and track builds. Their catalog spans intake kits, filters, and supporting components designed to increase airflow, sharpen throttle response, and add a more aggressive induction note.