yeah the exhaust was tested by the previous owner and it had a max spike of 91dB it was under the rest of the time
the airbox is an ARC item heres my engine bay
there isn many more mods i want to do, just want to get a vg30 turbo, gtr injectors, z32 AFM, bosh 040 fuel pump and then get it tuned
then i will have a nice little street unit on my hands