HKS Full Dual Muffler Stainless Catback Exhaust – Nissan Z RZ34 (400Z)

Introducing the HKS Full Dual Muffler for the Nissan Z RZ34 — a premium high-flow exhaust system featuring a straight-through dual pipe layout and an innovative 2-Way Sound System. This system offers the flexibility of switching between a more aggressive or gentle exhaust note, tailored to your driving style.

Featuring a 60.5mm x 2 full dual layout, the design dramatically improves flow over the stock 45mm x 2 configuration, reducing back pressure by approximately 40% without compromising ground clearance. The included tailpipe components allow easy switching between Aggressive Sound Mode (open) and Gentle Sound Mode (closed), offering both daily drivability and sporty acoustics.

Constructed from high-grade SUS304 stainless steel with oversized 119mm dual tips, the Full Dual Muffler is designed for performance, flexibility, and visual appeal—all while maintaining compatibility with OEM components.

Key Features

• Straight-through 60.5mm x2 full dual piping for optimal flow

• 2-Way Sound System: easily switch between aggressive and quiet sound modes

• Aggressive Mode: sporty, free-flowing tone with pronounced turbo sound

• Gentle Mode: reduced drone and quieter operation for daily driving

• 119mm large dual tail tips for bold visual presence

• Maintains factory ground clearance (118mm at lowest point)

• Designed for both 9-speed auto and 6-speed manual transmissions

• SUS304 stainless steel construction

• HKS muffler shape: HP (Titan-style)

• Close Noise Level: Open 90 dB / Closed 87 dB (Stock: 80 dB)

• Product Weight: 24.1kg

Vehicle Compatibility

• Nissan Z RZ34 (2022+)

• 3.0L Twin-Turbo V6 (VR30DETT)

• Manual and Automatic Transmission