Borla 60680 Polyphonic Harmonizer S-Type to ATAK for 19-25 Silverado/Sierra 6.2L

Vehicle Fitment

• 2019-2025 Chevrolet Silverado 1500 (6.2 L V8, Auto, 2WD/4WD) with Borla S-Type Cat-Back
• 2019-2025 GMC Sierra 1500 (6.2 L V8, Auto, 2WD/4WD) with Borla S-Type Cat-Back

Fitment Notes

• To upgrade from Borla S-Type sound level to louder ATAK level by replacing the secondary silencer.
• Must be used in conjunction with existing Borla S-Type Cat-Back system.

Features

• Polyphonic Harmonizer technology -- pipes of varying diameters and lengths combine harmonically to produce rich, multi-tone sound.
• Manufactured from premium T-304 stainless steel for superior strength, corrosion resistance, and performance.
• Upgrading option for enthusiasts seeking the aggressive, race-inspired Borla ATAK tone without replacing the entire cat-back system.
• All-welded construction with smooth mandrel bends ensures optimal exhaust flow and durability.
• Backed by Borla's industry-leading Million-Mile Warranty for long-term peace of mind.

Specifications

• Part Number: 60680
• Series: Polyphonic Harmonizer (ATAK upgrade)
• Pipe Diameter: 3.5" inlet
• Material: T-304 stainless steel

Included Components

• 1x ATAK Polyphonic Harmonizer unit (replacement for secondary silencer)

Product Description

The Borla 60680 Polyphonic Harmonizer converts your S-Type Cat-Back Exhaust into a bold, race-inspired ATAK experience without needing a full system replacement. Designed specifically for 2019-2025 Silverado and Sierra 1500 trucks with the 6.2 L V8, this stainless steel replacement component installs in place of the secondary silencer to amplify depth, tone, and performance character. Built with mandrel-bent T-304 tubing and polished craftsmanship, it fuses refined sound with rugged durability--all backed by Borla's Million-Mile Warranty.