Borla 140997CFBA ATAK Cat-Back Exhaust System with Carbon Fiber Tips

The Borla 140997CFBA ATAK Cat-Back Exhaust System is engineered for Chevrolet Silverado and GMC Sierra trucks with factory split rear exit exhaust configurations, excluding ZR2 and AT4X models. This high-performance exhaust system features a 3.5-inch inlet transitioning to dual 2.75-inch outlets, delivering aggressive sound and enhanced performance.

Key Features:

• ATAK Sound Technology: Borla's most aggressive sound level, featuring the ATAK muffler for maximum exhaust note intensity
• Polyphonic Harmonizer Technology: Patented units with pipes of varying diameters and lengths create harmonized exhaust notes with no interior drone
• Premium Carbon Fiber Tips: Dual 3.5-inch round carbon fiber tips with black anodized centers on each tail pipe for a distinctive appearance
• Valve Simulator Included: Prevents Check Engine Light activation on vehicles equipped with factory exhaust valves
• Convertible Sound Level: Replace the Polyphonic Harmonizer with Borla muffler 60679 to achieve quieter S-Type sound characteristics
• T-304 Stainless Steel Construction: Premium corrosion-resistant material, superior to T-400 series alternatives
• Mandrel-Bent Tubing: Ultra-smooth bends maximize exhaust flow and power gains
• Precision CNC Manufacturing: Computer-controlled fabrication ensures accurate fitment
• Patented Straight-Through Design: Multi-core technology unleashes hidden horsepower while improving fuel economy

Installation Notes:

• Requires removal of factory valance tips during installation
• Crew Cab models with Standard Bed (6'7", 157" wheelbase) require adapter 60706 (sold separately)
• Compatible only with factory split rear exit exhaust vehicles

Borla Cat-Back exhaust systems are designed to increase exhaust velocity, adding power and driving excitement while maintaining excellent fuel economy. Every component is precision-engineered from premium T-304 stainless steel and backed by Borla's Million-Mile Warranty, demonstrating the brand's confidence in long-term performance and durability.