A'PEXi - N1 Evo Extreme (Catback) - 2023+ Honda Civic Type-R [FL5]- **Preorder- ETA Lead Time Late March**

APEXi SKU: 164-KH03


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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 gradiation appearance.

- High-level of quality using tig-welded SUS304 stainless steel uniting quiet performance with high-power performance gains
- Matched and manufactured for select chassis
- Patented Megaphone piping structure to produce excellent torque and throttle response throughout the powerband. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results.

Bolt-On Yes
Part Number
N1-X (W/OUT GT Frontpipe Kit) 164-KH03
N1-X + GT Frontpipe Kit
Web Exclusive ONLY
164-KH03 + 145-H003
Year 2023+
Make Honda
Model Civic Type-R
Body Style 5-Door Hatchback
Engine K20C
Chassis FL5
Exhaust Type N1 Evolution Extreme Muffler (N1-X)
Piping Diameter 75mm piping to 75mm (valve side) and 61mm (non-valve side)
Tip Diameter 123mm. x 2
Pieces 5
Exhaust Tip Style Titanium Round- Dual wall rolled, Angle cut (Riveted)
Piping Material SUS304 Stainless Steel
Muffler Material SUS304 Stainless Steel
Muffler Tip Material TP270 Titanium
Notes ***Optional Frontpipe Sold Separately (Part No. 145-H003)
WARNING: California Prop 65
Cancer & Reproductive Harm