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N1-X Evolution Extreme Muffler LEXUS 2017+ IS350 AWD/RWD 164-KT13

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  • N1-X Evolution Extreme Muffler LEXUS 2017+ IS350 AWD/RWD 164-KT13

N1-X Evolution Extreme Muffler LEXUS 2017+ IS350 AWD/RWD, 2017+ IS300 AWD [After Minor Change] (Titanium Tip) Rear Section Only


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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 gradiation appearance.


- 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

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Part Number 164-KT13
Year 2017, 2018
Make Lexus
Model IS300, IS350 AWD, IS350 RWD
Body Style 4-Door Sedan
Engine 2GR-FSE, 8AR-FTS
Chassis ASE30, GSE31, GSE36, GSE37, USC10
Exhaust Type N1 Evolution Extreme Muffler (N1-X)
Piping Diameter 60.5mm. x 2 -> 50mm. x 4
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 Rear Section only 32.75.0 lbs. (Stock- 38.75 lbs.)
Sound Level Sound Level: 81.6 dB @ 4,500 RPM. Modular design
Special Notes Midpipe and Rear Section can be interchanged with factory exhaust components. NOTE: Do not use harsh chemicals or metal polish cleaners when cleaning titanium tips. We recommend using standard isopropyl alcohol