APEXi A'PEXi - N1 Evo Extreme (Catback) - 2014+ Infiniti Q50
APEXi A'PEXi - N1 Evo Extreme (Catback) - 2014+ Infiniti Q50
Shipping calculated at checkout.
To United StatesChange
Final options and totals are confirmed at checkout.
Low stock: 1 left
Not sure this is the right part? Ask us to check fitment. Include your year, make, model, engine and manufacturer part number.
Shipping & returns
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
Read the shipping policyThe 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
| 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 |

