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

Upgrade your 2021-2026 Ford Bronco 2.7L EcoBoost with the Borla ATAK Axle-Back Exhaust System (11978CB). Engineered for maximum performance and sound, this system delivers Borla’s most aggressive ATAK exhaust tone while maintaining a comfortable drone-free driving experience.

Designed specifically for the Bronco’s 2.7L twin-turbo engine, this axle-back system improves exhaust flow while giving your Bronco a powerful, race-inspired sound. The system features dual black-coated 4" stainless steel tips and a high-temperature black finish for a rugged appearance that complements the Bronco’s aggressive styling.

Constructed from premium T-304 stainless steel with mandrel-bent tubing, this exhaust system provides superior corrosion resistance and durability for off-road and harsh environments. Like all Borla exhaust systems, it is backed by the company’s Million-Mile Warranty.

Whether you're building a trail-ready Bronco or just want a deeper, more aggressive exhaust note, the Borla ATAK axle-back system offers a perfect combination of performance, durability, and sound.

Key Features

• ATAK sound level – Borla’s most aggressive exhaust tone
• Improves exhaust flow and performance
• Dual 4" black coated stainless steel exhaust tips
• T-304 stainless steel construction for durability
• 2.5" inlet flowing into 2.75" piping
• No drone interior sound
• High-temperature black coated finish
• 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: 11978CB
• 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: Black Coated 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 black coated exhaust tips
• Installation hardware
• Installation instructions

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