TurboXS Cat Back Adapter Subaru WRX / STI 2002-2007 Impreza_2017-2021 All Mishimoto performance radiators are

All Mishimoto performance radiators are made with durable aircraft-quality aluminum

The Go Fast Bits Response blow-off/bypass valve system for 02-07 WRX and STI is much more than simply a noise maker or a factory valve replacement

and do not require modification or re-gapping to run safely on your Mazdaspeed3

04-07 STi Front and Rear

enhanced performance rotor offers improved braking straight out of the box

TurboXS Cat Back Adapter Subaru WRX / STI 2002-2007 Impreza_2017-2021 All Mishimoto performance radiators arePart #: WS CBAP The TurboXS Catback Adapter is required if you want to connect the TurboXS Downpipe to an aftermarket catback exhaust that is not a TurboXS Turboback or Stealthback. The Catback Adapter is not a catalytic converter, nor does it replace one. The TurboXS Catback Adapter is simply a junction between the TurboXS Downpipe, which is shorter than OEM & other aftermarket downpipes, and non TurboXS catback exhausts. Part Number: WS CBAP Note: