Borla 140997BC ATAK Cat-Back Exhaust System with Black Chrome Tips

The Borla 140997BC Cat-Back Exhaust System delivers aggressive ATAK sound and performance for your truck. This premium system features ultra-smooth mandrel bends for maximum flow and power, combined with precision CNC manufacturing for a perfect fit. Built from premium T-304 stainless steel—superior to T-400 series alternatives—this exhaust is backed by Borla's Million-Mile Warranty.

Key Features:

• ATAK muffler design with aggressive exhaust note
• Patented Polyphonic Harmonizer Technology eliminates cabin drone while delivering rich, full-bodied sound
• 3.5-inch inlet transitioning to dual 2.75-inch outlets
• Dual 3.5-inch round black chrome tips on each tail pipe (four tips total)
• Valve simulator included to prevent Check Engine Light
• Premium T-304 stainless steel construction throughout
• Patented straight-through and multi-core technology for increased horsepower and fuel economy
• Can be converted to S-Type sound level by replacing Polyphonic Harmonizer with Borla muffler 60679 (sold separately)

Important Installation Notes:

• Designed for factory split rear exit vehicles only
• Crew Cab with Standard Bed (6'7", 157" wheelbase) requires adapter 60706 (sold separately)
• Factory valance tips must be removed during installation
• Clean black chrome tips with hot water and microfiber cloth only—do not use Borla Stainless Steel Polish 21461

The Polyphonic Harmonizer Technology utilizes pipes of different diameters and lengths to create harmonized exhaust notes that deliver exceptional sound quality without interior drone. Increased exhaust velocity unleashes hidden horsepower while adding driving excitement and improving fuel economy—all with the distinctive Borla Sound of Power.