Borla 141004 Cat-Back Exhaust System ATAK for Silverado ZR2 Sierra AT4X 6.2L

The Borla 141004 Cat-Back exhaust system delivers aggressive ATAK sound and performance gains for 6.2L Chevrolet Silverado 1500 ZR2 and GMC Sierra 1500 AT4X trucks. This premium system features a 3.5-inch diameter design with dual 2.75-inch turn-down tail pipes and includes a valve simulator to prevent Check Engine Light activation.

Key Features:

• Aggressive ATAK muffler with Polyphonic Harmonizer Technology for rich, full-bodied sound without drone
• Patented straight-through and multi-core technology unleashes hidden horsepower
• Premium T-304 austenitic stainless steel construction for maximum durability
• Ultra-smooth mandrel bends ensure maximum exhaust flow and power
• Precision CNC manufacturing for accurate bolt-on fitment
• Includes valve simulator to prevent Check Engine Light
• Modular design allows swapping Polyphonic Harmonizer with muffler 60679 for quieter S-Type sound

Performance Benefits:

• Increased exhaust velocity adds horsepower and torque
• Improved throttle response and driving excitement
• Enhanced fuel economy through improved exhaust flow
• Superior T-304 stainless steel construction outlasts T-400 series alternatives

Borla's Polyphonic Harmonizer Technology utilizes patented units containing pipes of different diameters and lengths to create multiple exhaust notes that harmonize together, delivering the distinctive Borla Sound of Power without annoying cabin drone. Backed by Borla's Million-Mile Warranty, this Cat-Back system represents the pinnacle of exhaust engineering from the world's most experienced exhaust manufacturer.