A'PEXi - N1 Evo Extreme (Catback) - 2017-2021 Honda Civic Type-R [FK8]
Pickup available at 133-38 32nd Ave
Usually ready in 5+ days
- Price
- $1,999
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.
| Bolt-On | Yes |
|---|---|
| Part Number | 164-KH02 |
| Year | 2017, 2018, 2019, 2020, 2021 |
| Make | Honda |
| Model | Civic Type-R |
| Body Style | 5-Door Hatchback |
| Engine | K20C |
| Chassis | FK8 |
| Exhaust Type | N1 Evolution Extreme Muffler (N1-X) |
| Piping Diameter | 75mm. - 60.5mm x 2 |
| 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 | Titanium |
| Notes | ***Optional Frontpipe Sold Separately (Part No. 145-H002) |
![]() |
WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov |
Shipping & returns
Returns and Exchanges
SHIPPING COSTS ARE NOT REFUNDABLE.
Return shipping costs will be the customer’s responsibility. Returns should either be prepaid or it will be deducted from the refund amount prior to issuing the refund. We advise any packages being returned should have insurance, but it is not mandatory. Packages are advised to be returned by UPS or FedEx.
Any products to be returned/exchanged are expected to be in “NEW” condition. Items returned with damages, signs of installation, signs of alteration, etc., will not be accepted as a return and the customer will need to pay for an additional shipping cost to have the items shipped back to them. Products to be returned must notify CROWN SPEEDLAB USA within 30 days of the invoice date, no products passed 30 days may be returned. Special order or custom-built items are non-refundable and cannot be returned.
Any products returned to CROWN SPEEDLAB USA or the manufacturer because the item is undeliverable will be held accountable by the customer. The customer will be required to pay an additional shipping fee in order to have the items shipped again. A restocking fee of 25% and return shipping cost will be deducted prior to a refund.
CROWN SPEEDLAB USA will not cover any expense outside of the product (installation, modification, etc.).

