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I'm selling my JB4 on my 2020 Supra; includes the wireless smart phone kit, so you can change maps and other stuff from your phone. Perfectly working. I'm going MHD. $450. $375.

I'm installing a catless downpipe in my 2020 Supra but can't get the downpipe and the turbo to align at the flange, it looks like the two rear hanging bolts push the downpipe to the outside. Have any of you had this issue? Can I remove the rear hanging bracket from the downpipe?

I was charged $362 on 9/17 for an oil change at my local Toyota dealership, is this reasonable? I was charged $37 per quart of oil. What is amazing is that I thought the oil change would be covered by my Toyota Care plan but it recently expired on 9/6 and I did not noticed it. I get a lot of...

Can someone please recommend a tuner for my 2020 Supra in the Tampa Bay area?

What are the estimated HP and Torque gains over stock with; 1) Just a JB4 on map 2 2 Non catted downpipe and JB4 on Map 3 and map 4? Both with 93 octane fuel.

How much HP and Torque should I expect to get on my 2020 Supra with a JB4 on map 3 and no other mod?

Need help!, I bought and installed a used jb4 on my 2020 Supra. The previous owner forgot to unlink his account from the jb4. I cannot connect to it, so can't change any parameters or maps. Has anybody run into a similar issue? The previous owner has been very cooperative, he deleted his account...