Baseline: I want to go stage 2 (Catless downpipe) Not sure what exactly I need to install to prevent boost creep. I'm aware that I will need a electronic boost control solenoid but is there anything else? Can anyone please help?

Off a 2017 WRX. So 2015-2019 is what it fits I believe. It’s a catless j pipe with all bolts for the mid flange and mid pipe flange. Has the stud for the ground as well. Willing to ship at buyers expense 250 located in reading pa 19605

Stage II 05 92x Aero, Catless TBE. Any reason why I am getting a flat zero for A/F learning 1? Here's a datalog for 2nd gear pull. https://docs.google.com/spreadsheet/ccc?key=0An0rRJgUjMOudElkTzBjS21XN2FoaGl0ckFTeTlPZHc#gid=0

Hey guys I have a hook up for a catless dp and I want to know if it's a good idea to have on my wrx dd also I'm keeping these mods hidden from the parents so I need to know if you guys think the smell of the exhaust is strong enough to alert them of any mods. thanks.

Hey everybody, I am new to the club and this is my first post. I recently purchased a 2007 STI and I have the money to get a new exhaust however I have a question. I have researched about the difference between a catback vs turboback exhaust and obivously the turboback is much better, however...