Installed a DDMworks CAI today and im loving it. I can hear my SC a lot more and seems like i can feel more power too. Being my first car with a SC and just really hearing it for the first time i am noticing some new noises. One in particular has me asking questions.....thus this post. I think i can hear a 'metallic hiss' when i push on the gas and then right as im letting up. Hard to describe so ill try to get a clip of it posted but it sounds like metal on metal maybe vibrating or rubbing/scrapping. To be clear im not talking about the whine, this sound seems to occur right before and right after the whine rly kicks in and fades out.

Is this just the screws (my SC has screws rite?) meshing that i can hear now or may this be something like a bearing wearing or something else? Im very aware of every sound, rattle and smell my car makes and i get overly paranoid sometimes so hopefully this is nothing. What are common wear issues with SCs, how do they present and do any occur routinely around 60k miles?

Also installed a new coil and plug wires but i doubt that has anything to do with this sound.

Im yet to ever post a video on youtube or forums so im guna give that a try tomorrow when its not dark out if that is required for a better diagnosis.

Thx!

 

That has nothing to do with the screws in the charger, or the charger. The noise your hearing is the sound of air induction. Its caused by your throttle body opening and closing, and the reason you don't hear it with the stock intake is because manufacturers add baffles, chambers, and silencers to intake systems to make them quieter for the general public.

 

Thx, that eases my paranoia......a little.......