Also if you upgrade the tires with a tune, you might want to look at the possibly updating the axles as many folks have broken theirs with a tune only while having fun on the street and strip.
https://driveshaftshop.com/product/a90-toyota-supra-1000hp-axles/...
Double check your emissions laws as you are in CA. If you tune the car the checksum will not match the OEM value and you could fail emissions - the only fix might be to take to the Toyota dealer for a total reflash.
If you do decide to tune the DME - take it in for any recalls DME updates...
Hello, little man. Boy, I sure heard a bunch about you. See, I was a good friend of your dad’s. We were in that
Hanoi pit of hell together over five years. Hopefully, you’ll never have to experience this yourself, but when two
men are in a situation like me and your Dad were, for as long as we...
11 inches, wow not sure you would be driving anywhere even with a truck unless its an emergency.
Don't use a snow brush on the paint - it will mess it up bad. I wouldn't even touch it if you can help it. If you must, just use your gloves/arm to brush some of the heavy snow off while leaving...
Bought Drive Shaft Shop Axles and Carbon Fiber Driveshaft - still have to figure out my trans issue, but I got them on a great deal - almost 1k less together!
Always makes me chuckle how they have all these old cars on their podium, but not really making anything game changing right now - reminds me of Al Bundy.
"There's a time I scored four touchdowns in one game on this field"
I'm sure that is warrantyable - you could try deactivating the Active Engine Noise sound.
https://www.supramkv.com/threads/disabling-active-sound-design-without-coding.5939/
Is your car modified that you know of?
Doesn't CA verify the Checksum of the DME/ECU?
If you are tuned, you might be SOL - and would have to take your car to Toyota to have them flash it back to factory image.