Q300 Single Exit Cat-Back Exhaust with Stainless Steel Tip for the 2012-2016 Honda Civic Si
The Invidia Q300 Single Exit Cat-Back with stainless steel tip for the 2012-2016 Honda Civic Si is the refined daily-driver exhaust option for the ninth-generation Si. Q300 resonated muffler, polished stainless tip, deep and defined sound that complements the K24Z7’s character without going aggressive.
DETAILS
- Single exit
- Polished stainless tip
- Q300 resonated muffler
- 304 stainless
The Q300 is the appropriate choice for 9th-gen Si owners who drive the car daily and want a sound upgrade that respects the car’s dual-purpose nature. Deeper and more present than stock without being tiresome.
Stainless tip on the 9th-gen Si is clean and appropriate for a daily-driven car.
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 stainless on the 9th-gen Civic Si, the refined daily-appropriate exhaust for K24Z7 builds that prioritize usability. Fits the 2012-2016 Honda Civic Si with K24Z7.
Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| 2012-2016 | Honda | Civic Si | K24Z7 |






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