Borla S-Type Cat-Back Exhaust

2015–2020 Subaru WRX / STI 2.0L Turbo

Part #: 140595

Overview

The Borla S-Type Cat-Back Exhaust for the 2015-2020 Subaru WRX and STI is a high-performance exhaust system designed to enhance both the sound and the power output of your vehicle. Built with enthusiast-driven engineering, this exhaust system offers a perfect balance of aggressive tone and refined acoustics, making it ideal for spirited driving and daily use alike. Whether you're looking to improve your vehicle's exhaust note or support increased horsepower and torque, the Borla S-Type system delivers exceptional results.

Engineered specifically for Subaru's turbocharged 2.0L engines, this cat-back exhaust system is crafted to maximize airflow efficiency while maintaining durability and a sleek appearance. Its innovative design ensures your WRX or STI sounds more aggressive under acceleration, providing an exhilarating driving experience without sacrificing comfort or reliability.

Key Features

The Borla S-Type Cat-Back Exhaust incorporates advanced technology and premium materials to deliver superior performance and sound quality. Key features include:

• Unprecedented vehicle-specific control over the acoustical note of the exhaust throughout the RPM range, allowing you to enjoy a deep, aggressive tone during spirited driving while maintaining a refined sound at cruising speeds.
• Constructed from high-quality 304 stainless steel, ensuring corrosion resistance and long-lasting durability even in harsh conditions.
• Mandrel-bent tubing that promotes smooth airflow, reducing backpressure and supporting increased horsepower and torque.
• Quad round RL tips that provide a bold, sporty aesthetic and enhanced exhaust flow, complementing the aggressive sound profile.
• Patented Multicore design that optimizes sound and performance, delivering a balanced exhaust note without drone or excessive noise.
• Engineered with precision to fit seamlessly with the factory mounting points, ensuring an easy bolt-on installation without modifications.
• Designed to meet or exceed OEM standards for quality and safety, making it suitable for street use and performance enthusiasts alike.

Construction & Design

The Borla S-Type exhaust system features a one-piece, mandrel-bent stainless steel construction that guarantees durability and a precise fit. The use of high-grade 304 stainless steel not only enhances longevity but also provides a polished, corrosion-resistant surface that looks great under the vehicle. The quad RL tips are crafted from stainless steel and finished with a polished surface, adding a sporty aesthetic to your Subaru's rear end.

The system's design emphasizes optimal airflow, with smooth bends and high-flow mufflers that help reduce backpressure and improve exhaust scavenging. Borla's patented Multicore technology ensures a consistent, controlled sound profile across the entire RPM range, giving your vehicle a distinctive, aggressive tone that turns heads.

Performance & Sound

While specific horsepower and torque gains vary depending on the vehicle and modifications, the Borla S-Type Cat-Back Exhaust is engineered to support increased performance by improving exhaust flow. Drivers can expect a more responsive throttle, enhanced sound, and a noticeable improvement in exhaust note quality. The system produces a deep, aggressive tone during acceleration, with a refined and less intrusive sound at cruising speeds, making it suitable for daily driving and spirited outings alike.

Installation & Fitment

The Borla S-Type Cat-Back Exhaust is a bolt-on system designed for straightforward installation. It uses the factory mounting points and requires no cutting or welding. The system includes all necessary hardware and clamps for a secure fit. Typical installation can be completed with basic hand tools and does not require any tuning or additional modifications, making it accessible for DIY enthusiasts and professional installers alike.

What's Included

• Complete cat-back exhaust system with quad RL tips
• High-quality clamps and mounting hardware
• Installation instructions

Ideal For

• Subaru WRX and STI owners seeking a performance exhaust upgrade
• Enthusiasts wanting a more aggressive exhaust tone
• Drivers aiming to support increased horsepower and torque
• Those who desire a durable, corrosion-resistant exhaust system with a polished appearance

Emissions Note

This Borla S-Type Cat-Back Exhaust is designed for street use and is compliant with applicable emissions standards. It is intended for use in vehicles registered for highway operation and may be considered 50-state legal depending on local regulations. Please verify your local laws before installation.