Introduction

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 LevelSound Level: 94.4 dB @ 4,500 RPM

Benefits

• Offers More Power
• Louder and More Aggressive Exhaust Note

Applications

• 2015-2021 Subaru WRX/STI

What’s In The Box?

• 1 – Exhaust System

Warranty

• Remark’s Limited Manufacturer’s Warranty