Borla 140914 S-Type 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 classic Borla(r) S-Type sound level with no drone inside the vehicle. Replace the small muffler behind the primary muffler in the Borla(r) "S-Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK(r)" sound level (louder than "S-Type"). Optional "True Dual" Cat-Back(tm) system available. 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. S-Type 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.

• Polyphonic Harmonizer 60680 can be added to this system to attain the ATAK(r) sound level
• Features turn down tail pipes
• Fits ZR2 & AT4X models

Upgrade your truck’s sound, airflow, and long-term durability with the Borla 140914 S-Type Cat-Back Exhaust System. Designed 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 classic S-Type sound level with a refined tone and no interior drone.

The 3.5-inch cat-back layout uses dual 2.75-inch turn-down tailpipes for a clean, application-specific finish. Patented straight-through and multi-core technology helps reduce exhaust restriction, increase exhaust velocity, and support improved power and throttle response. Ultra-smooth mandrel bends preserve consistent airflow, while computer numerical control manufacturing provides precise fitment for a straightforward installation. For a more aggressive exhaust note, Borla Polyphonic Harmonizer 60680 may be added to achieve an ATAK sound level louder than the standard S-Type configuration.

Constructed from premium T-304 austenitic stainless steel, the Borla 140914 system is engineered to withstand demanding driving conditions while providing long-lasting corrosion resistance. The system is backed by Borla’s Million-Mile Warranty, reflecting the brand’s commitment to performance and durability. An optional true-dual cat-back configuration is also available separately. This exhaust system is intended for the listed ZR2 and AT4X applications and includes turn-down tailpipes.

Fitment: 2022–2023 Chevrolet Silverado 1500 ZR2 and 2022–2023 GMC Sierra 1500 AT4X with 6.2L V8, automatic transmission, four-wheel drive, Crew Cab, short bed, and approximately 147-inch wheelbase.

What's Included

• Borla S-Type Cat-Back Exhaust System
• Dual turn-down tailpipes
• Application-specific exhaust components and installation hardware

Key Specifications and Technical Data

• Brand: Borla
• Part Number: 140914
• System Type: S-Type Cat-Back Exhaust
• Inlet/Primary Tubing Diameter: 3.5 inches
• Tailpipe Configuration: Dual 2.75-inch turn-down outlets
• Material: T-304 austenitic stainless steel
• Vehicle Configuration: 6.2L V8, automatic transmission, four-wheel drive
• Sound Level: S-Type, with optional ATAK upgrade using Polyphonic Harmonizer 60680

Features:

• S-Type sound level: Provides Borla’s distinctive performance exhaust tone while minimizing interior drone.
• Application-specific fitment: Designed for 2022–2023 Chevrolet Silverado 1500 ZR2 and GMC Sierra 1500 AT4X 6.2L V8 Crew Cab short-bed trucks.
• Dual turn-down tailpipes: Delivers a clean outlet configuration tailored to the ZR2 and AT4X models.
• T-304 stainless steel construction: Provides premium corrosion resistance, durability, and long-term performance.
• Straight-through and multi-core technology: Helps reduce exhaust restriction and improve exhaust velocity.
• Mandrel-bent tubing: Maintains smooth, consistent airflow through the exhaust system.
• CNC-manufactured components: Supports accurate fitment and a streamlined installation.
• ATAK sound upgrade compatibility: Accepts Borla Polyphonic Harmonizer 60680 for a louder, more aggressive exhaust note.

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