The Invidia Q300 catback exhaust system for the Subaru WRX and STI sounds as good as it looks. The Q300 features mandrel bent stainless steel piping and a free flowing oval style sport muffler to provide better exhaust flow for improved performance. Bolting up a Q300 to your EJ25 will allow your WRX's sonorous exhaust note to come through loud and clear when you want it to, without producing harsh or overly loud overtones; the perfect choice for those who want great performance with an exhaust note that won't wake the dead. The Invidia Q300 exhaust is available as a single tip for hatchback models and as either a single or dual outlet on sedan models.
Part Number: HS08SW4GT3 sedan only, fits 2011-2014 sti as well
Note: Are you using a stock j pipe or downpipe? If yes, the GrimmSpeed Subaru Stock DP to Aftermarket 3 in. Catback Adapter p/n 077046, is required.