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.
 PRODUCT FEATURES:
- 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.
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| Bolt-On | Yes |
| Part Number | 164KH003 |
| Year | 2022+, 2023+ |
| Make | Honda, Acura |
| Model | - Civic Si Sedan FE1
- Integra Sedan DE4
- Civic Touring Sedan (1.5L Turbocharged)
** ONLY compatible with factory OE Honda rear diffuser trim garnish PN: 71541-T20-A50 (Right), 71591-T20-A50 (Left) **
- Civic Sedan EXÂ Â (1.5L Turbocharged)
** ONLY compatible with factory OE Honda rear diffuser trim garnish PN: 71541-T20-A50 (Right), 71591-T20-A50 (Left) **
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| Body Style | - FE1 - 4 Door Sedan
- DE4 - 4 Door Sedan
|
| Engine | L15BA (Turbo) |
| Chassis | - FE - 4 Door Sedan
- DE4 - 4 Door Sedan
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| Exhaust Type | N1 Evolution Extreme Muffler (N1-X) |
| Piping Diameter | 3inch to 2.5inch |
| Tip Diameter | 105mm. x 2 |
| Pieces | 3 |
| Exhaust Tip Style | Titanium Round- Dual wall rolled, Angle cut (Riveted) |
| Piping Material | SUS304 Stainless Steel |
| Muffler Material | SUS304 Stainless Steel |
| Muffler Tip Material | Titanium |
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⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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