JBA 14-20 GM Truck 4.3L V6

Fits 2014–2020 GM trucks with 4.3L V6 engines

Part #: 1842S-10

Overview

The JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Raw 409SS Cat4Ward Header is a high-performance exhaust upgrade designed specifically for GM trucks equipped with the 4.3L V6 engine. Crafted from durable stainless steel, these headers are engineered to improve exhaust flow, reduce restrictions, and support increased engine efficiency. Ideal for enthusiasts seeking to enhance their vehicle’s power output and responsiveness, these headers deliver a noticeable upgrade over stock manifolds, making them suitable for both daily driving and towing applications. Constructed with precision and durability in mind, the JBA headers feature a proprietary Firecone collector design, utilizing race-proven technology to maximize exhaust scavenging and power gains. The raw stainless steel finish not only provides a sleek, aggressive look but also offers excellent resistance to corrosion and high temperatures. Designed for straightforward installation, these headers are a direct bolt-on replacement that helps unlock your vehicle’s potential without extensive modifications.

Key Features

• Constructed from high-quality 409 stainless steel for durability and corrosion resistance
• 1-5/8 inch primary tubes optimized for improved exhaust flow and performance
• Race-inspired Firecone collector design for maximum power and efficiency
• Direct bolt-on installation compatible with 2014–2020 GM trucks with 4.3L V6 engines
• Raw stainless steel finish adds an aggressive aesthetic and resists high temperatures
• Designed to enhance throttle response and engine efficiency
• Supports towing, daily driving, and performance upgrades

Construction & Design

The headers are crafted from high-grade 409 stainless steel, known for its strength and corrosion resistance, ensuring long-lasting performance even under demanding conditions. The tubular design features mandrel bends for smooth exhaust flow, reducing backpressure and enhancing engine response. The proprietary Firecone collector is engineered to optimize exhaust scavenging, contributing to increased horsepower and torque across the RPM range.

Driving Feel & Feedback

Installing these headers can help improve throttle response and engine sound, providing a more aggressive exhaust note and a more engaging driving experience. The design supports better exhaust scavenging, which can translate into smoother acceleration and improved overall vehicle performance.

Installation & Fitment

These headers are designed as a direct bolt-on replacement for the stock exhaust manifolds on compatible GM trucks with 4.3L V6 engines from 2014 to 2020. Basic mechanical skills and standard tools are recommended for installation, which typically involves removing the stock manifolds and replacing them with the headers.

What’s Included

The package includes the stainless steel headers with all necessary mounting hardware for a straightforward installation process. No additional components are required for proper fitment.