A'PEX-i N1-X Evolution Extreme Exhaust - Subaru WRX / WRX STI 15-21

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.

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 power-band. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results

Model:
- WRX (FA20)
- STI (EJ25)

Body Style: 4-Door Sedan

Engine
- FA20 (WRX)
- EJ25 (STI)

Chassis: VA
Exhaust Type: N1-X Evolution Extreme Muffler
Piping Diameter: 76.2mm. -> 63.5mm. x 4
Tip Diameter: 93mm. x 4
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: TP270 Gr Titanium Tip
Sound Level: 94.4 dB @ 4,500 RPM