N1-X Evolution Extreme Midpipe Kit (Resonated) 2014 Lexus IS250/IS350 AWD/RWD The N1 Evolution Extreme is based on the proven performance basics of the N1 muffler. Optimum exhaust efficiency is achieved through the mid-pipes running parallel between the catalytic converter and rear muffler section. The H-style piping design was opted to equalize the pressure in both exhaust pipes. Our unique modular design allow the mid-pipes to be interchangeable with the factory OEM exhaust system components along with the rear section which is sold separately. 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
• Compatible with the N1-X Evolution Extreme rear section part number 164-KT02

Bolt-On	Yes
Part Number	144-KT02 (RWD), 144-KT09 (AWD)
Year	2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Make	Lexus
Model	IS250, IS300 (AWD), IS350
Body Style	4-Door Sedan
Engine	2GR-FSE, 2GR-FKS
Chassis	GSE31
Exhaust Type	N1 Evolution Extreme Muffler (N1-X)
Piping Diameter	65mm. x 2
Pieces	3
Piping Material	SUS304 Stainless Steel
System Weight	Mid-pipe only 27.67 lbs. (Stock- 32.52 lbs.) 4.85 lbs. lighter than OEM
Special Notes	Sound Level (with part # 164-KT02): 87.0 dB @ 4,500 RPM. Modular design-> Mid-pipe and Rear Section can be interchanged with factory exhaust components.