Borla 140995 S-Type Cat-Back Exhaust System with Polyphonic Harmonizer

The Borla 140995 S-Type Cat-Back Exhaust System transforms your truck's performance and sound with advanced engineering designed specifically for factory split rear exit vehicles. This premium exhaust upgrade delivers Borla's signature S-Type sound level—aggressive yet refined—using innovative Polyphonic Harmonizer Technology that eliminates cabin drone while producing a rich, full-bodied exhaust note.

Key Features:

• 3.5-inch inlet transitioning to dual 2.75-inch outlets for optimized flow and power gains
• Polyphonic Harmonizer Technology uses pipes of varying diameters and lengths to create harmonized exhaust notes with zero drone
• Dual 3.5" x 3.28" bright chrome tips on T-304 stainless steel for a premium appearance
• Includes valve simulator to prevent check engine light activation
• Constructed entirely from premium T-304 austenitic stainless steel for superior corrosion resistance and longevity
• Ultra-smooth mandrel-bent tubing maximizes exhaust flow and horsepower gains
• Precision CNC manufacturing ensures accurate, bolt-on fitment
• Patented straight-through design unleashes hidden horsepower and torque

Compatibility Notes:

• Designed for factory split rear exit vehicles only
• Not compatible with ZR2 or AT4X models
• Crew cab with standard bed (6'7", 157" wheelbase) requires adapter 60706 (sold separately)
• Factory valance tips must be removed during installation

Upgrade Options:

• Replace the secondary muffler with Borla Polyphonic Harmonizer 60680 to achieve louder ATAK sound level
• Optional true dual cat-back system available for different configurations
• Alternative tip finishes available including black chrome and carbon fiber

Borla's patented technology increases exhaust velocity to add power, improve throttle response, enhance fuel economy, and deliver the distinctive Borla Sound of Power. Every component is precision-engineered using premium materials that outperform inferior T-400 series stainless steel used by competitors. Backed by Borla's Million-Mile Warranty, this exhaust system represents decades of motorsports experience and proven performance from the world's most respected exhaust brand.