Hi has anyone ran these Tomei Procams 258* 10.20mm on their Vq35de non revup? Also wondering if they are worth it and how much does the exhaust tone change.

TLDR - drove through big puddle, now car cranks but doesn’t fire and has a lot of codes.

Play-by-play of my issues below. Any help here is appreciated. Thanks!

1. Drove through massive puddle during heavy rain. Parked car for the night after arriving home.
   
2. Car started electrical buzzing noise from fuse box. I noticed once parked. (this has happened before and gone away on its own)
   
3. Try to start car following morning… car is completely dead. Like it has no battery in it at all.
   
4. Swap a different battery. Car now cranks perfectly but does not fire at all. I also notice some “weirdness” like wipers activating when key is inserted despite the wipers being set to “off”.
   
5. I scan the car for codes and see a lot of codes. See pics. These codes appear to generally indicate that the ECM is not communicating properly.

Hey, was curious on the rarity / value of Caribbean blue slick top coupes. I don’t see many non-sunroof cars, let alone a 6spd Sport coupe. So I just wasn’t sure if they were worth any more than usual. Thanks !

I got a P0420 code and based on live data I’m pretty sure it’s the catalytic converter. I just got the car smogged 3 days before this code popped up.
Can I just drive with this until I’m forced to address it for future smog or will it lead to further issues?

Im putting a new engine in my g35 rev up and would like to put some mods on the engine before putting it in. I have no problem with tearing into the engine just a little bit to do it, but I've heard that you really can't get much more HP out of these engines without forced induction. So I'm just wandering what you Guys know.