2017- 2020 Lexus IS300 AWD/RWD
2017 - 2020 Lexus IS350 AWD/RWD

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.
PRODUCT FEATURES:
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 power-band. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results

Bolt-On	Yes
Part Number	164-KT13 - Titanium 164AKT13 - Stainless Steel
Year	2017, 2018, 2019, 2020
Make	Lexus
Model	IS300, IS350 AWD, IS350 RWD
Body Style	4-Door Sedan
Engine	2GR-FSE, 8AR-FTS
Chassis	ASE30, GSE31, GSE36, GSE37
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 Stainless Steel
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
	WARNING: California Prop 65 Cancer & Reproductive Harm  www.p65warnings.ca.gov