Invidia - Subaru 15-21 STI- Stainless Steel Quad Tip Cat-Back Exhaust System subaru-impreza-2001 The core of this intake

The core of this intake is our mandrel-bent aluminum intake pipe that provides a smooth path for airflow

resulting in a direct-fit replacement that is easy to install

Ports with sequential timing allow quieter operation during normal driving

Cobb 04-07 Subaru WRX / STI Front Mount Intercooler Hot Pipes

Invidia - Subaru 15-21 STI- Stainless Steel Quad Tip Cat-Back Exhaust System subaru-impreza-2001 The core of this intakeThe flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains a continuous piping design and use of Advantex material that results in an excellent free flow exhaust with optimized back pressure, giving greater horsepower, torque gains, and a rich deep sporty sound. *4Dr Q300 Single Layer SPECIFICATIONS: Exhaust System Type: Cat Back Exhaust Tubing Material: Stainless Steel Main Tubing