Apexi N1-X Evolution Extreme Axleback Exhaust - 2013+ Lexus GS350

SKU: 0WCZ6 | MPN:  164-KT07
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Sale price$1,424.05 USD Regular price$1,499.00 USD

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Tip Style: Titanium

N1-X Evolution Extreme Muffler Axleback Exhaust (Titanium Tip)
2013+ Lexus GS350 RWD/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

Bolt-On Yes
Part Number 164-KT07
Year 2013, 2014, 2015, 2016
Make Lexus
Model GS350 AWD, GS350 RWD
Body Style 4-Door Sedan
Engine 2GR-FSE
Chassis GRL10, GRL11, GRL15
Exhaust Type N1 Evolution Extreme Muffler (N1-X)
Piping Diameter 60.5mm. x 2
Tip Diameter 93mm. x 4
Pieces 2
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
System Weight 33.50 lbs. (Includes Full Exhaust System, gaskets and hardware pack) (Stock- 33.70 lbs.)
Sound Level Sound Level: 89.7 dB @ 4,500 RPM.
Special Notes Modular design-> Midpipe and Rear Section can be interchanged with factory exhaust components - NOTE: ***Requires Aftermarket Rear Bumper Lip Spoiler for fitment compatibility***
WARNING: California Prop 65
Cancer & Reproductive Harm

Vehicle Fitments:

Year Make Model Submodel
2013 - 2017 Lexus GS350 F Sport, Base

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