resonator delete

so i got a 4 in flange k and n cold air intake that i installed earlier today. but i am wondering because the more and more k research i am getting told that i need to tune and adjust my air/fuel ratios now. So i wanted to reach out and see if there was anybody who knows any rep. tuners that are...

After two years of feeling and not hearing the power of my '15 5.0, I decided to start doing some changes to the exhaust. Let me know what you think! I still need to finish to make this sound an every day thing, unbolting the mufflers and dumping exhaust right under the center of the car...

I want to make my Genesis sound a smidgen, perhaps even a scintilla, more aggressive. Not Douchebaggishly loud. I'm looking for a nice, tasteful tone. I'm thinking a resonator delete (still mulling over an X-pipe versus an H-pipe) to some sort of turbo mufflers out back. So far Borla XS'...