APEXi N1 Evolution-X Exhaust Catback Exhaust 
Lexus RC-F 15+
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.
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
 
| Bolt-On | Yes | 
|---|---|
| Part Number | 
 - Stainless: 164KT201-SS, 164KT201-SSP  | 
| Year | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 | 
| Make | Lexus | 
| Model | RC-F | 
| Body Style | 2-Door Coupe | 
| Engine | 2UR-GSE | 
| Chassis | USC10 | 
| Exhaust Type | N1 Evolution Extreme Muffler (N1-X) | 
| Piping Diameter | 65mm. x 2 - 50mm. x 4 | 
| Tip Diameter | 93mm. x 4 | 
| Pieces | 5 | 
| Exhaust Tip Style | Oval-Dual wall rolled, Angle cut | 
| Piping Material | SUS304 Stainless Steel | 
| Muffler Material | SUS304 Stainless Steel | 
| Muffler Tip Material | SUS304 Stainless Steel Titanium  | 
| System Weight | 55.40 lbs. (Includes Full Exhaust System, gaskets and hardware pack) (Stock- 74.70 lbs.) | 
| Special Notes | Sound Level: 95.7 dB @ 4,500 RPM. Modular design-> Midpipe and Rear Section can be interchanged with factory exhaust components | 
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WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov  | 
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