BBK High Flow X Pipe with Catalytic Converters

Fits 1999–2004 Ford Mustang GT 4.6L 2V and Cobra 4.6L 4V

Part #: 1670

Overview

The BBK High Flow X Pipe with Catalytic Converters is a high-performance exhaust component designed specifically for 1999-2004 Ford Mustang GT and Cobra models equipped with 4.6L engines. Crafted to replace the factory exhaust pipe, this X pipe enhances exhaust flow and supports increased horsepower and torque. Built with durable 16-gauge aluminized steel tubing, it ensures longevity and resistance to corrosion. The unique center X section promotes smoother exhaust scavenging, resulting in improved engine response and a more aggressive sound. This product is ideal for Mustang enthusiasts seeking to optimize their vehicle’s performance while maintaining emissions compliance with high-flow catalytic converters.

Key Features

This high-flow X pipe features a mandrel-bent design that maintains consistent diameter for optimal exhaust flow. The larger 2-1/2 inch diameter tubing reduces backpressure, supporting better engine breathing and power delivery. The inclusion of high-flow catalytic converters helps improve exhaust extraction without sacrificing emissions standards. Its direct bolt-on design ensures straightforward installation, making it suitable for DIY enthusiasts and professional installers alike. The aluminized steel construction provides excellent durability and heat resistance, ensuring reliable performance over time. Designed to maximize exhaust efficiency, this X pipe helps unlock the full potential of your Mustang’s V8 engine.

Construction & Design

The BBK X pipe is engineered with CNC mandrel-bent aluminized steel tubing, ensuring precise bends and smooth airflow. The unique center X section is crafted to optimize exhaust scavenging, reducing turbulence and enhancing overall exhaust efficiency. The high-flow catalytic converters are designed to meet emissions standards while supporting performance gains, making this component a practical upgrade for street-driven vehicles.

Installation & Fitment

This product is designed as a direct replacement for the factory exhaust pipe on 1999-2004 Ford Mustang GT and Cobra models with 4.6L engines. It installs using existing mounting points and hardware, providing a straightforward upgrade process. Proper installation may require basic tools and mechanical knowledge, but no custom modifications are typically necessary.

Ideal For

Perfect for Mustang owners looking to improve exhaust flow, increase horsepower and torque, and achieve a more aggressive exhaust note. Suitable for street performance upgrades and enthusiasts aiming to enhance their vehicle’s overall driving experience.