Borla 140546 ATAK Cat-Back Exhaust for 14-19 Silverado/Sierra 1500 5.3L

Vehicle Fitment

• 2014-2018 Chevrolet Silverado 1500 (2WD/4WD, Extended Cab & Crew Cab, 5.3L V8) - Fitment confirmed.
• 2014-2018 GMC Sierra 1500 (2WD/4WD, Extended Cab & Crew Cab, 5.3L V8) - Fitment confirmed.
• 2019 Chevrolet Silverado 1500 LD (2WD/4WD, Extended Cab & Crew Cab, 5.3L V8) - Fitment confirmed for LD models only.
• 2019 GMC Sierra 1500 LD (2WD/4WD, Extended Cab & Crew Cab, 5.3L V8) - Fitment confirmed for LD models only.

Features

• ATAK® - Borla's most aggressive street-legal cat-back exhaust tone
• Premium T-304 stainless steel construction for corrosion resistance and long life
• Mandrel-bent tubing for smooth exhaust gas flow and reduced backpressure
• Straight-through multi-core design improves exhaust velocity
• Truck split side exit layout for classic pickup routing
• Dual 4" polished round rolled angle-cut tips for bold rear appearance
• Direct bolt-on installation with existing factory hangers and hardware
• Million-Mile Limited Warranty for long-term durability

Specifications

• Part Number: 140546
• System Type: ATAK Cat-Back Exhaust
• Main Pipe Diameter: 2.75" into muffler, 2.25" out
• Tip Quantity: 2
• Tip Size: 4" polished round rolled angle-cut
• Exit Style: Truck split side exit
• Material: Premium T-304 stainless steel
• Fitment: Direct bolt-on cat-back system

Included Components

• 1x Cat-back exhaust system assembly
• 2x Polished 4" round rolled angle-cut stainless steel tips
• All clamps, hangers, and hardware required for installation

Product Description

The Borla 140546 ATAK Cat-Back Exhaust System is a high-performance exhaust upgrade engineered specifically for 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks, plus 2019 Silverado/Sierra 1500 LD models equipped with the 5.3L V8 engine. This premium cat-back system replaces the factory rear exhaust with T-304 stainless steel tubing and a straight-through multi-core design that promotes smoother exhaust flow and enhanced throttle response while adding a rich, aggressive sound that enthusiasts seek. ATAK® tuning produces one of the loudest legal street exhaust notes in the Borla lineup for powerful auditory presence on every drive.

Featuring a truck split side exit with dual polished 4" round rolled angle-cut tips and a direct bolt-on design using factory hangers, the 140546 installs without cutting or welding. Its mandrel-bent construction resists corrosion and maximizes performance gains for daily driving and spirited use alike. Backed by Borla's Million-Mile Limited Warranty, this ATAK cat-back exhaust is ideal for truck owners who want enhanced sound, improved exhaust flow, and lasting durability from a trusted performance system.