A'PEXi - N1 Evo Extreme (Catback) - 2014+ Infiniti Q50

APEXi SKU: 164-KN01


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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 gradation appearance.


  • 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