Borla 140915 ATAK Cat-Back Exhaust System for 2022-2023 Chevrolet Silverado 1500 ZR2 and GMC Sierra 1500 AT4X 6.2L V8

This system was designed specifically for the 6.2L Silverado 1500 ZR2 and Sierra 1500 AT4X. The 3.5" diameter Cat-Back(tm) system has dual 2.75" turn down tail pipes and features the aggressive Borla(r) ATAK(r) muffler and Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full-bodied sound without any drone. Replace the Polyphonic Harmonizer behind the muffler in the ATAK(r) system with muffler 60679 to attain the "S-Type" sound level (quieter than ATAK(r)). Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Give your ZR2 or AT4X the sound it deserves, bolt on a Borla(r). Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. ATAK(r) Cat-Back(tm) Exhaust System 2022-2023 Chevrolet Silverado 1500 ZR2/ GMC Sierra 1500 AT4X 6.2L V8 Automatic Transmission 4WD Crew Cab With Short Bed (5' 9") 147.4" Wheelbase. Turn Down Tail Pipes. 2022-2023 Chevrolet Silverado 1500 ZR2/ GMC Sierra 1500 AT4X 6.2L V8 Automatic Transmission 4WD Crew Cab With Short Bed (5' 9") 147.4" Wheelbase. Turn Down Tail Pipes.

• Muffler 60679 can be added to this system to attain the S-Type sound level
• System features Polyphonic Harmonizer technology
• Features turn down tail pipes
• Fits ZR2 & AT4X models

Upgrade your truck with the Borla 140915 ATAK Cat-Back Exhaust System, engineered specifically for 2022-2023 Chevrolet Silverado 1500 ZR2 and GMC Sierra 1500 AT4X models equipped with the 6.2L V8, automatic transmission, four-wheel drive, Crew Cab, and short bed. This system delivers Borla’s aggressive ATAK sound while maintaining a clean, full-bodied exhaust note without unwanted drone.

The 3.5-inch cat-back system uses dual 2.75-inch turn-down tailpipes and Borla Polyphonic Harmonizer Technology. Patented harmonizer units use pipes with different diameters and lengths to create multiple exhaust notes that work together for a rich, controlled sound. For a quieter S-Type sound level, Borla muffler 60679 can be used in place of the Polyphonic Harmonizer behind the muffler.

Built from premium T-304 austenitic stainless steel, the Borla 140915 is designed for lasting strength, corrosion resistance, and dependable performance. Straight-through, multi-core technology and smooth mandrel-bent tubing promote efficient exhaust flow, helping unlock responsive power and driving excitement. CNC manufacturing supports precise fitment, while the system’s turn-down tailpipes complement the factory truck configuration. Installation is designed as a bolt-on upgrade using the vehicle’s intended fitment points.

The Borla 140915 is covered by Borla’s Million-Mile Warranty. This exhaust system fits 2022-2023 Chevrolet Silverado 1500 ZR2 and GMC Sierra 1500 AT4X trucks with the 6.2L V8, four-wheel drive, Crew Cab, short bed, and automatic transmission. This product may require emissions compliance verification before installation; review applicable federal, state, and local requirements.

Brief Description

A premium T-304 stainless steel ATAK Cat-Back Exhaust System with Polyphonic Harmonizer Technology, aggressive sound, efficient flow, and turn-down tailpipes for select 6.2L V8 ZR2 and AT4X trucks.

Key Product Specifications & Technical Data

• Brand: Borla
• Part Number: 140915
• System Type: ATAK Cat-Back Exhaust System
• Primary Material: T-304 austenitic stainless steel
• Inlet Tubing Diameter: 3.5 inches
• Tailpipe Diameter: 2.75 inches
• Tailpipe Configuration: Dual turn-down tailpipes
• Sound Technology: Polyphonic Harmonizer Technology

What’s Included

Complete Borla ATAK Cat-Back Exhaust System, including the exhaust tubing, ATAK muffler assembly, Polyphonic Harmonizer components, dual turn-down tailpipes, and installation hardware supplied by Borla.

Features:

• Aggressive ATAK sound: Delivers Borla’s powerful, full-bodied exhaust note while helping minimize unwanted cabin drone.
• Polyphonic Harmonizer Technology: Uses patented components with varied pipe diameters and lengths to create harmonized exhaust tones.
• Premium T-304 stainless steel construction: Provides excellent durability, corrosion resistance, and long-term performance.
• High-flow performance design: Straight-through, multi-core technology and smooth mandrel bends promote efficient exhaust flow and responsive power.

Fitments:
2022 Chevrolet Silverado 1500 ZR2
2022 GMC Sierra 1500 AT4X
2023 Chevrolet Silverado 1500 ZR2
2023 GMC Sierra 1500 AT4X

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1