Invidia [08-14 WRX Sedan, 11-14 STI Sedan, 09-13 FXT] Q300 Dual Tip Cat Back Exhaust | HS08SW4GT3The 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