I believe HKS Dual (not the super turbo) has 90dbs with the valves closed. Several of us in the SF Bay Area compared exhaust not too long ago and my HKS is definitely slightly louder than the stock setup with the valves closed. However with the valves open you will get a little bit more punch.
Not sure if anyone has wired it just as a fog where you can click the switch on the light panel to turn it on.
However, I know there are some members who have wired it so that the section which is normally used as a fog light to be used as a brake light instead. I made a wiring diagram of how...
Hi all,
Used to be located in Hayward, but now in SF/San Mateo area. Been bumping into a lot of Supras recently. I look forward to meeting you guys in future meets.
From what it seems to me this might be due to the interior panel coming off the clips a little. I had my panels removed recently and there is a thin line of felt like material similar to what is poking through that gap.
Heres an image of what I can find on how it looks like when you take off...