aFe Twisted Steel Header 409 SS w/Cat

Fits 2012–2015 Toyota Tacoma V6 4.0L

Part #: 48-46003-1HC

Overview

The aFe Twisted Steel Header system is a high-performance exhaust upgrade designed specifically for the 2012 to 2015 Toyota Tacoma with a V6 4.0L engine. Crafted from durable 1-5/8 inch mandrel-bent 409 stainless steel tubing, this header provides maximum strength and longevity, ensuring your vehicle maintains optimal performance over time. The system includes dual high-flow catalytic converters that are less restrictive than factory units, promoting improved exhaust flow and engine efficiency. Its factory-style laser-cut machined flanges ensure a secure, leak-free seal, making installation straightforward and hassle-free without the need for cutting or modifications. This upgrade is ideal for enthusiasts seeking enhanced exhaust flow, improved throttle response, and a more aggressive sound profile, all while maintaining reliable durability.

Key Features

• Constructed from high-quality 409 stainless steel for corrosion resistance and durability
• Mandrel-bent tubing for smooth exhaust flow and reduced backpressure
• Includes dual high-flow catalytic converters for improved exhaust efficiency
• Factory-style laser-cut machined flanges for a precise, leak-free connection
• Designed for direct bolt-on installation in stock locations
• Supports enhanced engine response and performance

Construction & Design

This header system features mandrel-bent 1-5/8 inch stainless steel tubing, engineered to optimize exhaust flow and withstand harsh conditions. The dual high-flow catalytic converters are designed to reduce restrictions, supporting better engine breathing and efficiency. The laser-cut flanges ensure a tight, durable seal, preventing leaks and maintaining performance integrity over time.

Installation & Fitment

The system is designed for a direct bolt-on installation, utilizing factory mounting points and flanges. No cutting or modifications are required, making it suitable for DIY enthusiasts and professional installers alike. Proper fitment ensures seamless integration with your vehicle’s existing exhaust system.

What’s Included

The package includes the twisted steel headers, dual high-flow catalytic converters, and all necessary hardware for installation.

Ideal For

This upgrade is perfect for Tacoma owners looking to improve exhaust flow, enhance engine response, and achieve a more aggressive sound. It’s suitable for those seeking a durable, high-quality replacement that supports performance without sacrificing reliability.