Borla Header

2002–2014 Subaru WRX / 2004–2018 Subaru STI / 2005–2012 Subaru Legacy GT

Part #: 17217

Overview

The Borla Header for Subaru WRX, STI, and Legacy GT models is a high-performance upgrade designed to optimize your vehicle's exhaust flow. Crafted with racing technology and precision engineering, this header enhances your car's power output, sound, and durability. Whether you're a street enthusiast, a weekend racer, or an off-road adventurer, this header provides a significant upgrade over the stock component, helping you unlock your vehicle's full potential.

Constructed from premium materials and manufactured with meticulous attention to detail, the Borla Header ensures reliable performance and long-lasting durability. Its design promotes improved exhaust scavenging, which can lead to increased horsepower and torque, better throttle response, and a more aggressive exhaust note. This upgrade is ideal for those seeking a more spirited driving experience and enhanced engine efficiency.

Key Features

The Borla Header incorporates advanced features that set it apart from standard exhaust components:

• Constructed from premium T-304 stainless steel, offering superior corrosion resistance and strength compared to T-400 series alloys.
• Ultra-smooth mandrel bends in the header pipes facilitate unrestricted airflow, reducing exhaust backpressure and maximizing engine efficiency.
• Precision computer-controlled CNC manufacturing ensures consistent quality, perfect fitment, and optimal flow characteristics.
• Designed specifically for Subaru WRX, STI, and Legacy GT models from 2002 to 2014, ensuring a direct bolt-on installation without modifications.
• Enhances engine sound with a deeper, more aggressive exhaust tone, elevating your vehicle's auditory presence.
• Improves overall performance by supporting increased horsepower and torque, especially when combined with other performance upgrades.
• Backed by Borla's reputation for quality and durability, ensuring long-term reliability under spirited driving conditions.

Construction & Design

The Borla Header is meticulously crafted from high-grade T-304 stainless steel, known for its exceptional corrosion resistance and strength. The header features ultra-smooth mandrel bends, which maintain consistent pipe diameter throughout the curves, minimizing flow restrictions and turbulence. This design promotes efficient exhaust scavenging, helping to reduce exhaust gases' backpressure and improve engine breathing.

The CNC manufacturing process guarantees precise fitment and uniform welds, ensuring a seamless installation process and a durable, leak-free connection. The one-piece construction of the primary tubes and collector enhances structural integrity and heat resistance, contributing to consistent performance over time. The header's design also helps to optimize exhaust flow paths, resulting in better throttle response and increased power output.

Installation & Fitment

The Borla Header is a direct bolt-on upgrade designed specifically for Subaru WRX, STI, and Legacy GT models from 2002 to 2014. Installation is straightforward for those with basic mechanical skills, as it uses existing mounting points and does not require cutting or welding. No special tuning is necessary, but pairing this upgrade with other performance modifications can maximize benefits. Always follow the included instructions for proper installation to ensure optimal performance and fitment.

• Direct bolt-on replacement for factory headers
• No cutting, drilling, or tuning required
• Compatible with stock exhaust systems or aftermarket upgrades

What's Included

• Complete header assembly with primary tubes and collector
• All necessary hardware and gaskets for installation
• Installation instructions

Ideal For

• Subaru WRX, STI, and Legacy GT owners seeking increased performance
• Enthusiasts looking to improve exhaust sound and engine responsiveness
• Performance tuners and racers aiming for maximum flow and power gains