Borla ATAK Axle-Back Exhaust System (Part #11978) – 2021-2026 Ford Bronco 2.7L

Upgrade your 2021-2026 Ford Bronco 2.7L EcoBoost with the Borla ATAK Axle-Back Exhaust System (11978). Engineered to deliver Borla’s most aggressive ATAK sound, this system provides improved exhaust flow, enhanced performance, and a powerful exhaust tone while maintaining a drone-free driving experience.

Designed specifically for the Bronco’s 2.7L twin-turbo engine, this axle-back exhaust system improves exhaust efficiency while giving your Bronco a bold, race-inspired sound. It features dual 4" polished T-304 stainless steel tips and precision mandrel-bent tubing for maximum airflow and performance.

Constructed from premium T-304 stainless steel, the Borla system provides superior corrosion resistance and long-term durability in harsh environments. Like all Borla exhaust systems, it is made in the USA and backed by Borla’s Million-Mile Warranty.

Whether you're upgrading for sound, performance, or style, this system delivers the perfect combination of aggressive tone, durability, and performance gains.

Key Features

• ATAK sound level – Borla’s most aggressive exhaust tone
• Improves exhaust flow and performance
• Dual 4" polished T-304 stainless steel exhaust tips
• 2.5" inlet flowing into 2.75" piping
• Dual 2.5" tailpipes
• Mandrel-bent tubing for maximum airflow
• No drone interior sound
• Precision CNC manufacturing for perfect fitment
• Direct bolt-on installation
• Made in the USA
• Million-Mile Warranty

Vehicle Fitment

Ford Bronco 2.7L EcoBoost (4WD)

• 2021-2026 Ford Bronco – 2 Door / 4 Door

⚠️ Fits 2.7L V6 models with automatic transmission.

Specifications

• Manufacturer: Borla
• Part Number: 11978
• Exhaust Type: Axle-Back System
• Sound Level: ATAK (Aggressive)
• Inlet Diameter: 2.5 in.
• Pipe Diameter: 2.75 in.
• Tailpipe Diameter: Dual 2.5 in.
• Tip Size: 4 in.
• Tip Finish: Polished T-304 Stainless Steel
• Exit Style: Split Rear Exit
• Material: T-304 Stainless Steel
• Installation: Bolt-On
• Warranty: Million-Mile Warranty

What’s Included

• Borla ATAK Axle-Back Exhaust System
• Dual polished stainless steel exhaust tips
• Installation hardware
• Installation instructions

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