Apexi offers high quality products at completitive prices. Manufactured using cutting-edge technology and vigorous testing, Apexi performance products are what most enthusiasts and racers demand. Most Apexi performance proucts are made in Japan.
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.
PRODUCT FEATURES:
- N1-X genuine titanium tips with burned gradation, specially designed with stainless steel inner tip riveted sleeve to reduce tip heat transfer.
- Top Level quality using full tig-welded SUS304 stainless steel.
- Matched and manufactured for application specific chassis.
- A'PEXi intricate designed brackets for added rigidity & stability.
- Non-Resonated mid-pipe structure to produce optimum sporty sound.
- Comfort with optimal performance gains designed with A'PEXi Helmholtz chamber .
APEXi N1 Evolution-X Exhaust, Infiniti Q50 2014+, Catback with Titanium Tip
Pipe : 60mm x 2 - 65mm x2 - 70mm x 2, Tip : 123mm x 2 Dual
Installation Notes:
Professional installation is required.
Specifications:
| Bolt-On | Yes |
|---|---|
| Part Number |
164-KN01 |
| Year | 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Make | Infiniti |
| Model | Q50 / Q50S / Q50 Red Sport |
| Body Style | 4-Door Sedan |
| Engine | VR30DETT, VQ37HR |
| Drivetrain | - RWD models (AWD models *TBA) |
| Chassis | V37 |
| Exhaust Type | N1 Evolution Extreme Muffler (N1-X) |
| Piping Diameter | 60.5mm. x 2 - 65mm. x 2 - 70mm. 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 |
![]() |
WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov |
| Brand | Apexi Performance |
|---|---|
| Part Number | APX-164-KN01 |
| Shipping Method | UPS/FedEx/USPS Ground |
| California Prop 65 Warning |
|







This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or reproductive harm. For more information, visit https://www.p65warnings.ca.gov/