A'PEXi - N1 Evo Extreme (Axleback) - 2018-2021 Lexus NX300 (Turbo)

APEXi SKU: 164-KT17


Shipping calculated at checkout

Tip Style: Titanium

Only 1 left!

N1-X Evolution Extreme Muffler Axleback Exhaust
2018+ Lexus NX300 (Turbo) FWD/AWD

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.


  • 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
  • NOTE: OEM Factory exhaust tip covers must be removed for installation.
Bolt-On Yes
Part Number - Stainless Steel: 164AKT17
- Titanium: 164-KT17
Year 2018, 2019, 2020, 2021
Make Lexus
Model NX300 (Turbo)
Body Style 5-Door SUV
Engine 8AR-FTS
Chassis AGZ10, AGZ15
Exhaust Type N1 Evolution Extreme Muffler (N1-X)
Piping Diameter 65mm. - 50mm. x 4
Tip Diameter 75mm. x 4
Pieces 2
Exhaust Tip Style Oval-Dual wall rolled, Angle cut
Piping Material SUS304 Stainless Steel
Muffler Material SUS304 Stainless Steel
Muffler Tip Material - SUS304 Stainless Steel
- Titanium 
System Weight 33.85 lbs. (Includes Rear Section of Exhaust System, gaskets and hardware pack) (Stock- 36.85 lbs.) 3 lbs. lighter than stock.
Special Notes Sound Level: 89.7 dB @ 4,500 RPM. Modular design-> Midpipe and Rear Section can be interchanged with factory exhaust components. 
WARNING: California Prop 65
Cancer & Reproductive Harm