I put in the stock intake a couple of weeks ago. I have a K&N filter in it. I was really enjoying my car being quiet again, but today I noticed a new sound. When I give it gas and it goes to the mid to higher rpms the engine or intake sounds very rough. I did a quick check to make sure everything was on tight, hoses, and intake, and all checked out. I have no idea what it could be. It sounds pretty nasty sometimes, if anyone could shed some light on this I would highly appreciate it. Thanks.


Just wanted to add that the car feels ok. I have no hesitation or vibration. When I punch it the car still pulls hard. I also do not have any codes. Just the rough sound.