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As title says. Looking for a stock B58 Supra Dowpipe

I have a 2025 6MT. CTS Catless downpipe, RK Titanium single exit exhaust, MST V2 Intake and Turbo Inlet, I also had issues with MHD Stage 2 93. I would sometimes go into limp mode after doing a pull. I switched to 91 and everything was running better. I always use Shell 93. Speaking of the CDV...

Thank you. Just installed new vband. Away from actuator. How tight? I just tightened it hard with 1 hand and small socket

The vband connection from my downpipe to turbo keeps loosening. Every day I go out and can tighten it. Not sure why but I ordered a new vband gonna put it on. When installing do you guys put anything on the vband threads like antiseize? Or just tighten it with nothing on?

Yea the codes were all misfires. Car was driving and idling fine besides getting that notification after a pull. I changed spark plugs and car works great 👍🏼

im going to change spark plugs tomorrow and see if that fixes this issue. will update

Recently got dyno tuned. Car made 415WHP and 505TQ on 93. I have a CTS Catless Downpipe, MST V2 Intake, RK Titanium Single Exit Exhaust. Driving from work last night I did a pull and got this message. Car went into limp mode. What can be the issue?

i dont think so. and i mean in the cabin i smell some gas but thats to be expected going catless right? i just rotated the clamp and tightened it down. seems more closed maybe that might have been it

thank you I had no idea. I rotated clamp downward and out of the way. Hand tightened it nice and snug.

Question. How tight should this v band on the downpipe be? I read online 18 pounds. So that’s what I did it to. Should I tighten it more?

I have the MST V2 Intake. What do you think is leaking? The intake or the downpipe? Gonna go to a shop tomorrow

Another pull on stage 2 91 octane tune https://datazap.me/u/stasoulakisa/91-octane-pull-2?log=0&data=3-17

https://datazap.me/u/stasoulakisa/91-octane?log=0&data=3-17 Here is 91 octane log. Some idle. normal driving and then a pull

I bought a new gasket. But it was kind of crumpling up when I was putting it in. You think I messed the gasket up? Seemed pretty ok

I will reflash stage 2 91 and take another log. What should I do when logging? Normal drive and then 1 WOT pull in third gear?

What can be the cause of this? I get 93 gas from Shell.

Could this be due to a leak? I’m not 100% positive I pushed the exhaust all the way into the downpipe. It wouldn’t budge anymore so idk it was in a good amount. And I don’t see any visible soot by any connections

Beginning of my drive this was my Ltft and stft but then later on the ltft went up a bit. I think 15 at idle

Here is 2 more logs I just took. Car is driving fine today. I’m very confused https://datazap.me/u/stasoulakisa/11225?log=0&data=3-17

Does this link work for you? https://datazap.me/u/stasoulakisa/log-1762059601?log=0&data=3-16 I got in my car and drove home after work. The first 10 minutes everything was great worked like normal even hit 21+ psi. And then out of nowhere it went into almost a limp mode and can’t pass 9psi...