Borla 140978 ATAK Cat-Back Exhaust System with Polyphonic Harmonizer

The Borla 140978 is a premium 2.5-inch diameter Cat-Back exhaust system engineered to deliver aggressive sound and enhanced performance. This system features an internal H-Pipe integrated into the front muffler and Borla's patented Polyphonic Harmonizer technology, which utilizes pipes of different diameters and lengths to create multiple harmonized exhaust notes for a clean, rich, full-bodied sound.

Key Features:

• ATAK Sound Level: Delivers an aggressive, head-turning exhaust note without interior cabin drone
• SwitchFire Design: Patented rear section eliminates turbulent center intersections, blending combustion pulses from both sides of the engine for improved performance and custom sound
• Polyphonic Harmonizer Technology: Creates multiple harmonized exhaust notes for superior sound quality
• Premium Construction: Built from T-304 austenitic stainless steel for maximum durability and corrosion resistance
• Mandrel-Bent Tubing: Ultra-smooth bends ensure maximum exhaust flow and power gains
• Straight-Through Multi-Core Technology: Unleashes hidden horsepower and increases exhaust velocity
• Chrome Tips: Includes single 4.5-inch round bright chrome on T-304 stainless steel tips on each tail pipe
• Precision Fit: CNC manufacturing ensures accurate, bolt-on installation

This Cat-Back system increases exhaust velocity to add power, improve fuel economy, and deliver the distinctive Borla Sound of Power. Backed by Borla's Million-Mile Warranty, this exhaust system represents the ultimate combination of performance, sound, and durability from the world's most experienced exhaust manufacturer.