HKS Full Dual Muffler Catback Exhaust | 2023+ Nissan Z (31014-KN002)

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2023+ Nissan Z Full Dual Muffler Catback Exhaust by HKS

A new FULL DUAL MUFFLER for the RZ34 has become part of the HKS exhaust series. It is designed with a straight piping layout and a 2-Way sound system to adjust to your taste!

- While the stock layout has a pipe diameter of D45 mm x 2, this product has a full dual layout with a pipe diameter of D60.5 mm x 2. This allows a pipe cross-sectional area equivalent to D85 mm to be secured while lowering to the minimum ground clearance, which is often seen with high-output exhausts. Exhaust pressure is reduced by around 40% compared to the stock model.

- By adopting the included tailpipe to the sub-silencer section of the main muffler, there is a sporty sound with an emphasis on the drone in aggressive sound mode (without lids). By gentle sound mode (with lids), the sub-silencer functions as a silent chamber and can be switched to comfortable sound with less drone in daily driving. This single unit allows the user to enjoy two types of the exhaust sound.


  • Main Material: SUS304
  • Outer Tail Diameter: D119 mm
  • Main Pipe Diameter: D60.5 mm x 2
  • Approximate Close Noise Level *Measured by California standards: Stock 80 dB (Idle: 56 dB) / HKS Aggressive Sound Mode: 90 dB (Idle:71 dB) - Gentle Sound Mode: 87 dB (Idle:63 dB)
  • Product Minimum Ground Clearance: 118 mm (Stock Front Subframe / Stock Center Brace)
  • Exhaust pipe Minimum Ground Clearance: 123 mm (The Left Side of #2 MidPipe)


  • Increased Horsepower
  • Louder and More Aggressive Exhaust Note


  • 2023+ Nissan Z

What's In The Box?

  • 1 - Full Dual Muffler Catback Exhaust


  • HKS' Standard Limited Warranty

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