N1-X Evolution Extreme Catback Exhaust - 2013+ Lexus GS350 RWD - 164KT207
N1-X Evolution Extreme Muffler Catback Exhaust (Titanium Tip)
2013+ Lexus GS350 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 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 RWD - 164KT207 performance upgrade part
Designed for the 2013+ Lexus GS350 RWD, this catback exhaust replaces the factory exhaust components from the catalytic converter back. It follows the proven N1 muffler performance approach with a straight-thru layout, aiming for efficient exhaust flow while maintaining functional sound characteristics.
SKU: APEX-164KT207. This system features an internal hybrid silencer for a balance of power and free-flowing behavior with effective resonance control. A newly adopted titanium muffler tip is rolled and riveted onto a double-pipe structure that acts as a diffuser to reduce temperature while retaining a sporty heat gradation appearance.
Key Benefits
- Catback replacement tailored to 2013+ Lexus GS350 RWD fitment and layout.
- Straight-thru muffler design emphasizes efficient exhaust flow and consistent response.
- Internal hybrid silencer balances free-flowing characteristics with functional sound resonance control.
- Patented megaphone piping promotes strong torque and throttle response across the powerband.
- Double-pipe diffuser tip structure helps reduce temperature at the exhaust outlet.
- TIG-welded SUS304 stainless steel construction supports durable, quiet performance-focused operation.
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
Built around APEXi’s N1 Evolution Extreme concept, this catback system combines a straight-thru exhaust path, hybrid silencing, and a titanium tip with a diffuser-style double-pipe structure. The result is a focused exhaust upgrade for the GS350 RWD platform, prioritizing fit-specific design, durable materials, and a refined performance-oriented sound profile.
| Brand | APEXi |
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