Borla ATAK Cat Back System

2023–2026 Toyota GR Corolla 1.6L 3-Cylinder Manual Transmission All-Wheel Drive

140942CFBA

Overview:

The Borla ATAK Cat Back System is a high-performance exhaust upgrade engineered specifically for the 1.6L engine in the Toyota GR Corolla from 2023 to 2026. Designed for enthusiasts seeking an aggressive yet refined exhaust note, this system enhances your vehicle’s sound and performance without compromising drivability. Featuring Borla’s patented Polyphonic Harmonizer Technology and an Active Exhaust Valve, it delivers a rich, full-bodied sound with no drone, making it ideal for spirited street driving and track use.

Constructed from premium T-304 stainless steel, this cat-back system offers exceptional durability and corrosion resistance, ensuring long-lasting performance. The ultra-smooth mandrel bends and precision CNC manufacturing guarantee a perfect fit and optimized exhaust flow, unlocking hidden horsepower and improving throttle response.

Key Features:

This Borla ATAK Cat Back System combines advanced technology and quality materials to elevate your GR Corolla’s exhaust experience:

• 3" diameter exhaust piping designed specifically for the 1.6L 3-cylinder engine in the GR Corolla
• Polyphonic Harmonizer Technology uses patented units with pipes of varying diameters and lengths to create multiple harmonizing exhaust notes
• Dual muffler design delivers the aggressive ATAK sound signature with no drone during cruising
• Active Exhaust Valve allows dynamic control of exhaust flow and sound based on driving conditions
• Four carbon fiber center tips with black anodized finish: two 3.5" round center tips and two 4.5" round outer tips for a distinctive, high-end appearance
• Available tip finishes include polished T-304 stainless steel and black coated T-304 stainless steel for customization
• Constructed from premium T-304 austenitic stainless steel, superior to common T-400 series materials for enhanced corrosion resistance and durability
• Ultra-smooth mandrel bends maximize exhaust flow and power gains
• Precision CNC manufacturing ensures exact fitment and easy installation
• Backed by Borla’s Million-Mile Warranty, reflecting confidence in quality and longevity

Construction & Design:

The Borla ATAK Cat Back System is expertly crafted from high-grade T-304 stainless steel, known for its superior corrosion resistance and strength compared to lower-grade alternatives. The system’s mandrel-bent tubing maintains consistent diameter throughout bends, reducing turbulence and improving exhaust flow. Borla’s precision CNC manufacturing process guarantees a perfect fit for the GR Corolla, ensuring straightforward installation and optimal performance.

The inclusion of carbon fiber with black anodized center tips not only enhances the visual appeal but also reduces heat retention at the exhaust outlets. The dual muffler design and active exhaust valve work in harmony to provide an aggressive exhaust note when desired, while maintaining a comfortable sound level during everyday driving.

Performance & Sound

While specific horsepower and torque gains are not listed, the Borla ATAK Cat Back System is engineered to increase exhaust velocity and reduce backpressure, which supports improved engine efficiency and throttle response. The patented Polyphonic Harmonizer Technology creates a unique, multi-layered exhaust tone that is clean, rich, and full-bodied, setting it apart from typical aftermarket exhausts.

The dual mufflers and active valve system deliver the signature ATAK aggressive sound without drone, making it suitable for both spirited driving and longer trips. This system enhances the driving excitement and auditory experience of your GR Corolla while maintaining refinement.

Installation & Fitment:

This cat-back exhaust system is designed as a direct bolt-on upgrade for the 2023–2026 Toyota GR Corolla equipped with the 1.6L 3-cylinder engine and manual transmission with all-wheel drive. It utilizes factory mounting points and requires no cutting, drilling, or special tuning for installation, allowing for a straightforward upgrade process.

• Direct fit for 2023–2026 Toyota GR Corolla 1.6L 3-Cyl Manual AWD
• No cutting, drilling, or special tuning required
• Uses OEM mounting locations for a secure and precise fit

What's Included:

• Complete 3" diameter cat-back exhaust system
• Dual mufflers with integrated Active Exhaust Valve
• Four carbon fiber center tips with black anodized finish (2 x 3.5" round center, 2 x 4.5" round outer)
• All necessary clamps, hardware, and installation instructions

Ideal For:

• GR Corolla owners seeking enhanced exhaust sound and performance
• Enthusiasts who want aggressive ATAK exhaust tone without drone
• Drivers looking for a durable, high-quality stainless steel exhaust system
• Those who prefer a direct bolt-on solution with no modifications required
• Motorsport and street performance applications

Borla is an iconic exhaust manufacturer best known for performance exhaust systems engineered to boost flow and deliver signature sound. With product families like ATAK®, S-Type, and Touring, Borla gives enthusiasts a range of sound levels while targeting real performance gains across the RPM band—perfect for builds where throttle response and the right tone matter as much as horsepower.