N1-X Evolution Extreme Catback Exhaust

$1,399.00 USD

Shipping calculated at checkout

SKU: 164KH003


  • 11th Gen Honda Civic Si (FE1)
  • 5th Gen Acura Integra (DE4)

BEFORE ORDERING: This does not fit Honda Civic Hatchback Models (2022+)

The N1 Evolution Extreme is based on the proven performance basics of the N1 muffler, which emphasizes optimum, exhaust efficiency utilizing a straight-thru layout design.

Equipped with an internal hybrid silencer, uniting power and free-flowing characteristics with effective functional sound resonance. A newly adopted muffler tip completes the tail end of the exhaust that serves both purposes of function and form.

Constructed with a light weight titanium material rolled and riveted onto a double pipe structure, which acts as a diffuser enabling temperature reduction, meanwhile retaining a sporty heat gradation appearance  


  • N1-X titanium tips are specially designed with clearance to reduce heat transfer.
  • Top-level quality using full tig-welded SUS304 stainless steel 
  • Matched and manufactured for select chassis
  • A'PEXi intricate designed brackets
  • Resonated midpipe structure
  • Comfort with optimal performance gains

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Customer Reviews

Based on 1 review

Sounds amazing 10/10 would buy again