Borla 140929 S-Type Cat-Back Exhaust System for 2023–2026 Nissan Z 3.0L V6

This 2.5" diameter Cat-Back system is a True Dual design that features a Merge X-Pipe and Polyphonic harmonizer technology. All of these features combine to provide the classic S-Type sound level and the BORLA(r) no drone guarantee. The Merge X-Pipe blends the combustion pulses from both sides of the engine for improved performance and a custom sound. BORLA(r)'S Polyphonic Harmonizer Technology 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. Single 4.5" round polished phantom style T-304 stainless steel tips on each tail pipe provide a custom appearance. Systems with carbon fiber tips with black anodized centers are also available. BORLA(r) Cat-Back & 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, high-quality 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. 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 Exhaust System 2023-2026 Nissan Z 3.0L V6 Automatic/ Manual Transmission Rear Wheel Drive 2 Door Coupe. BORLA System Is True Dual. Fits Models With Original Equipment (O.E.) Single Tail Pipe ONLY. 21-26 Chevrolet Truck / GMC Truck Tahoe / Yukon

• True Dual design featuring two full tail pipes
• Features Polyphonic Harmonizer Technology
• Features a Merge X-Pipe

Upgrade your 2023–2026 Nissan Z with the Borla 140929 S-Type Cat-Back Exhaust System, engineered for rear-wheel-drive 3.0L V6 coupe models with automatic or manual transmissions. This true dual exhaust system uses two complete tailpipes, a Merge X-Pipe, and Borla Polyphonic Harmonizer Technology to produce the aggressive yet refined S-Type exhaust note. It is designed to fit vehicles equipped with the original-equipment single tailpipe configuration.

The Merge X-Pipe blends combustion pulses from both sides of the engine to support improved exhaust flow, performance, and sound quality. Borla’s patented Polyphonic Harmonizer Technology uses internal tubes with varying diameters and lengths to create multiple coordinated exhaust notes, delivering a clean, rich, full-bodied tone while maintaining Borla’s no-drone guarantee. Straight-through and multi-core construction helps increase exhaust velocity and supports responsive power delivery, driving enjoyment, and potential fuel-economy improvements.

Built from premium T-304 austenitic stainless steel, the Borla 140929 is designed to provide excellent corrosion resistance and long-term durability. Ultra-smooth mandrel bends promote consistent internal flow, while precision CNC manufacturing supports accurate fitment. Each tailpipe is finished with a polished phantom-style 4.5-inch round stainless steel tip for a distinctive appearance. The system is backed by Borla’s Million-Mile Warranty. This product is not CARB approved, and a CARB acknowledgment may be required where applicable. Professional installation is recommended.

Brief Description

A true dual Borla S-Type Cat-Back Exhaust System with a Merge X-Pipe, Polyphonic Harmonizer Technology, and polished stainless steel tips for select 2023–2026 Nissan Z models.

Key Product Specifications & Technical Data

• Brand: Borla
• Part Number: 140929
• Exhaust Type: Cat-back
• Sound Level: S-Type
• System Design: True dual
• Inlet/Tube Design: 2.5-inch tubing with Merge X-Pipe
• Tip Style: Polished phantom-style round tips
• Material: T-304 austenitic stainless steel

What’s Included

One Borla 140929 S-Type True Dual Cat-Back Exhaust System with Merge X-Pipe, Polyphonic Harmonizer components, tailpipes, and polished stainless steel exhaust tips. Installation hardware and instructions are included as supplied by the manufacturer.

Features:

• True dual design: Uses two full tailpipes for balanced exhaust flow and a distinctive performance appearance.
• Merge X-Pipe: Blends exhaust pulses from both engine banks to support improved flow, performance, and sound quality.
• Polyphonic Harmonizer Technology: Produces a clean, rich, full-bodied exhaust tone while supporting Borla’s no-drone guarantee.
• T-304 stainless steel construction: Provides premium corrosion resistance, durability, smooth mandrel-bent flow paths, and precision CNC-manufactured fitment.

Fitments:
2023 Nissan Z Performance
2023 Nissan Z Proto Spec
2023 Nissan Z Sport
2024 Nissan Z Nismo
2024 Nissan Z Performance
2024 Nissan Z Sport
2025 Nissan Z Nismo
2025 Nissan Z Performance
2025 Nissan Z Sport

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