Invidia Q300 Single Exit Cat Back Exhaust – 2002-2007 Subaru WRX/STI

Q300 Single Exit Cat-Back Exhaust for the 2002-2007 Subaru WRX and STI

The Invidia Q300 Single Exit Cat-Back for the 2002-2007 Subaru WRX and STI is the refined daily-driver exhaust option for the classic GD Subaru. Q300 resonated muffler produces a deep, defined sound from the EJ205 and EJ207 without the N1’s aggression, the correct choice for GD builds that value daily usability.

DETAILS

• Single exit
• Q300 resonated muffler
• 304 stainless

The Q300 on the GD Subaru is the daily-driver alternative to the N1, same platform, same Invidia quality, sound level calibrated for owners who want improvement without committing to the N1’s noise level.

The Q300 is the refined starting point for GD Subaru exhaust builds. For daily-driven GD WRX and STI builds, the Q300 is the correct exhaust choice.

What’s in the Box

• Cat-back exhaust system (all sections)
• Exhaust tips
• Gaskets
• Mounting hardware (nuts, bolts, hangers)
• Installation instructions

Why Choose Invidia

Invidia has been manufacturing performance exhaust systems in Japan since 1999, and in that time they have built a reputation that carries real weight in the tuning community. Every system is manufactured using SUS304 stainless steel and mandrel-bent tubing, which eliminates the flow restrictions and weak points that crush-bent alternatives introduce at every corner. Their in-house engineering team designs each application from scratch rather than adapting a generic template, which is why Invidia fitment is consistently tighter than the competition. The result is an exhaust that installs cleanly, seals correctly, and lasts. Invidia backs their products with a quality standard that is visible in the finish, the weld quality, and the hardware, details that reflect over two decades of refining the same core manufacturing process.

The RallySport Take

Q300 for the GD WRX and STI, the balanced, daily-appropriate exhaust for owners who drive these cars every day. Fits the 2002-2007 Subaru WRX with EJ205 and 2004-2007 WRX STI with EJ207 on the GD chassis.

Fitment