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 gradation 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
| Bolt-On | Yes |
|---|---|
| Part Number | 164-KT16 (Resonated) 164-KT16P (Non-Resonated) |
| Year | 2020 |
| Make | Toyota |
| Model | GR Supra (AT/MT) |
| Body Style | 2-Door Coupe |
| Engine | B58 (AT/MT) |
| Chassis | DB42 (A90) |
| Exhaust Type | N1 Evolution Extreme Muffler (N1-X) |
| Piping Diameter | 80mm. -> 60.5mm. x 2 -> 70mm. x 2 |
| Tip Diameter | 123mm. x 2 |
| Pieces | 4 |
| Exhaust Tip Style | Titanium Round- Dual wall rolled, Angle cut (Riveted) |
| Piping Material | SUS304 Stainless Steel |
| Muffler Material | SUS304 Stainless Steel |
| Muffler Tip Material | Titanium |
| System Weight | 54.23 lbs. (Stock- 54.45 lbs.) |
| Sound Level | Sound Level: 84.4 dB @ 4,500 RPM |
| Special Notes | Built-In Exhaust Valve- Compatible with OEM Valve Actuator/Motor Assy. NOTE: Do not use harsh chemicals or metal polish cleaners when cleaning titanium tips. We recommend using standard isopropyl alcohol |
 | WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov |