borla ataks

Im looking to buy some borla ataks for my 2015. I cant seem to find used borla atak mufflers (i dont want to buy new) for 2015+. Someone local is selling some borla ataks but they're meant for 11-14. I was curious has anyone tried putting s197 borla ataks on their s550? I know a muffler shop can...

Im looking to buy borla ataks the 2.25" inlet for the v6/ecoboost. I prefer just the mufflers, i dont need any extra piping. Thanks. Im located in Houston, TX!

I currently have borla atak with xpipe. I like the tone for the most part but would like to cut some of the rasp. I bought some dynomax small bullet resonator/mufflers to calm the rasp. My question is, does placement of the resonator matter? I've seen people say put it right after the xpipe like...