Experience true JDM engineering with the A’PEXi N1-X Evolution Extreme Catback Exhaust, designed for the 2016+ Lexus GS-F (URL10). Inspired by decades of racing development, the N1 Evolution Extreme combines lightweight construction, exceptional performance, and refined sound to deliver the ultimate driving experience.
Built from TIG-welded SUS304 stainless steel, this system unites quiet cruising comfort with high-power efficiency. The patented megaphone piping structure produces a swirling exhaust gas flow, improving torque and throttle response throughout the RPM range.
The unique titanium tip design features a dual-wall rolled construction riveted to a double pipe structure, serving as a diffuser to reduce exhaust temperature while adding a brilliant burnt-blue gradient finish.
Key Features
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Premium Materials – Handcrafted TIG-welded SUS304 stainless steel with optional titanium tips.
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Proven Performance – Patented megaphone piping enhances exhaust scavenging and throttle response.
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Hybrid Silencer Design – Optimized for both free-flowing power and controlled resonance.
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Lightweight Advantage – 61.55 lbs total weight vs. 78.25 lbs stock system.
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Direct Bolt-On Fitment – No cutting or welding required.
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Signature Sound – 91.3 dB @ 4,500 RPM for a deep, aggressive tone without excessive drone.
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Modular Design – Midpipe and rear sections can be interchanged with OEM components.
Specifications
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Exhaust Type: N1 Evolution Extreme Muffler (N1-X)
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Fitment: Lexus GS-F (2016–2020)
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Chassis: URL10
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Engine: 2UR-GSE
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Body Style: 4-Door Sedan
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Piping Diameter: 65mm x 2 → 50mm x 4
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Tip Diameter: 93mm x 4
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Pieces: 5
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Tip Style: Dual-wall rolled, angle-cut (riveted)
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Sound Level: 91.3 dB @ 4,500 RPM
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Weight: 61.55 lbs (vs. stock 78.25 lbs)
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Material Options:
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Stainless Steel: 164KT212-SS
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Titanium: 164KT212
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Made in Japan
⚠️ California Proposition 65 Warning: Cancer & Reproductive Harm – www.p65warnings.ca.gov
Why Choose A’PEXi N1-X Evolution Extreme
For Lexus GS-F enthusiasts demanding performance, precision, and premium quality, the A’PEXi N1-X delivers proven JDM craftsmanship and a rich, motorsport-inspired tone — perfect for both spirited street driving and track use.