N1-X Evolution Extreme Catback Exhaust - 2013+ Lexus GS350 AWD - 164KT211
N1-X Evolution Extreme Muffler Catback Exhaust (Titanium Tip)
2013+ Lexus GS350 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. 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.
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 powerband. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results
APEXi N1-X Evolution ExtRemarke Catback Exhaust - 2013+ Lexus GS350 AWD - 164KT211 aftermarket performance upgrade part
Designed for the 2013+ Lexus GS350 AWD, this catback exhaust uses a straight-thru layout and an internal hybrid silencer to balance exhaust efficiency with functional sound resonance. The system is built around the N1 Evolution Extreme Muffler (N1-X) design and features titanium round tips with a dual-wall rolled, riveted, angle-cut finish.
SKU: APEX-164KT211
Key Benefits
- Straight-thru layout emphasizes optimum exhaust efficiency for the GS350 AWD application.
- Internal hybrid silencer supports free-flowing characteristics with controlled sound resonance.
- TIG-welded SUS304 stainless construction for high-quality, quiet performance capability.
- Patented Megaphone piping structure supports torque and throttle response across the powerband.
- Titanium diffuser-style tips help reduce temperature while maintaining a sporty appearance.
- Modular design allows mid-pipe and rear section interchange with factory components.
- Bolt-on fitment for select chassis-specific manufacturing and matched routing.
Specifications
- Bolt-On: Yes
- Part Number: 164KT207
- Application: 2013–2016 Lexus GS350, 4-Door Sedan
- Engine/Chassis: 2UR-FSE / GRL10
- Exhaust Type: N1 Evolution Extreme Muffler (N1-X)
- Piping Diameter: 60.5mm x 2
- Tip Diameter: 93mm x 4
- Pieces: 5
- Exhaust Tip Style: Titanium Round, dual wall rolled, angle cut (riveted)
- Piping/Muffler Material: SUS304 Stainless Steel
- Muffler Tip Material: Titanium
- System Weight: 60.8 lbs (stock 68.6 lbs), includes gaskets and hardware pack
- Sound Level: 91.8 dB @ 4,500 RPM
Notes
- Requires aftermarket rear bumper lip spoiler for fitment compatibility.
- WARNING: California Prop 65 — Cancer & Reproductive Harm: www.p65warnings.ca.gov
This catback system combines SUS304 stainless piping with titanium tips and a proven N1-X muffler layout for a chassis-matched Lexus GS350 AWD setup. With a modular, bolt-on configuration and documented sound output, it’s suited for owners seeking a well-specified exhaust solution with OEM-component interchange flexibility.
| Brand | APEXi |
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