2015-2021 Subaru WRX/STI N1-X Evolution Extreme Catback Exhaust System by APEXi
The N1-X 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.
Features
- Piping Diameter: 76.2mm. -> 63.5mm. x 4
- Tip Diameter: 93mm. x 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: TP270 Gr Titanium Tip
- Sound Level Sound Level: 94.4 dB @ 4,500 RPM
Benefits
- Offers More Power
- Louder and More Aggressive Exhaust Note
