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  1. I hear no burbles on jb4

    Cause this can cause your exhaust flap to stay closed BC is on your left stock This may not solve your issue but who knows

  2. Issue with exhaust?

    I have tried this and opens the exhaust flaps however the burbles arnt as loud before the jb4 install. Any insight ?

  3. I hear no burbles on jb4

    I’ve been running JB4 w/ map 6 by @Jesse DaBears and map 0 (disabled) for the past few months. Burbles are present. Not sure the exhaust valve has anything to do with it. Maybe remove the JB4 and see what happens. If it doesn’t change, take it to the dealer. Or, of you bought used, it might be...

  4. I hear no burbles on jb4

    Check your exhaust flap

  5. How many miles have you driven the SUPRA and are you satisfied?

    Purchased my '21 Supra 2.0 September 2021. It was used with about 4k miles. Currently at 31k miles. Great for my very first sports car. Exhaust, CAI, DP and JB4 for performance. Also threw on wheels and a few aesthetic mods. Honestly great for a daily driver and tons of fun on backroads. Test...

  6. AntiAutoA91's C U LATER build + WALLPAPER + VIDEO and picture thread

    After searching since March for a c u later A91MT I finally got one … I’m a photographer so you are all gonna have to deal with a lot of photos of this thing but I’ll be sure to make them not boring. Full mods list no gate keeping here! any questions just DM me or look me up on IG...

  7. DINANTRONICS X In-line Performance Tuners for the Toyota GR Supra

    Yeah that's is exactly what I am looking for at the moment. I don't really want to get involved with tuning just yet. Just a little power bump that's easy and safe. All I have is an AA catted DP and full exhaust as far as mods go. Also curious at to what the difference is between the 93 tune...

  8. Preferred jb4 map

    I just finished this setup on my car minus e30. How do I reach out to Jesse to have a tune by Jesse? I hear the name but never anyway to contact. Thanks.

  9. Catless dp no tune

    I had this problem too but it wasn’t from my catless dp or beautiful sounding AWE track exhaust. When I had any other issue besides the CEL the car would do that. So weird. I remember seeing the subject somewhere and should have answered mine cleared up when other codes were addressed. Such as...

  10. JB4 e30 Best OTS Map?

    Hey all, First off, sorry if this is a subject that has been discussed a lot. I did search via Google and the forums, but didn't find anything that answered my question(s) so I thought I'd ask here. I currently have a 2021 Supra 3.0, locked ECU. Not feeling the tune path just yet...

  11. Preferred jb4 map

    I currently run catless downpipe, intake exhaust and upgraded charge pipe. I just started playing with e30 blend and was curious as to what is the best jb4 map for this setup as I don't have a tune yet from Jesse. I have read certain maps are dangerous and I don't want to risk what I don't know...

  12. Catless dp no tune

    Holy shit track exhaust and catless thing must be so loud! Is Jb4 worth it?

  13. Catless dp no tune

    Catless dp and AWE track exhaust. I turn my JB4 off when tracking. Absolutely no problems. I only have the JB4 because it was a trade for my old downpipe. The JB4 is fun as ? in town!

  14. My new 2.0 build thread - nitro yellow

    I never noticed any change in mine

  15. My new 2.0 build thread - nitro yellow

    Did you feel like the car got slower with the catless DP? I installed mine and an afe full exhaust a couple of weeks ago, and can't get over the loss of all the down-low torque. I might need a JB4 and a custom map to fix it, but I'm just wondering how you felt after the install.

  16. CATLESS DOWNPIPE NOT POPPING AS LOUD AS IT USE TO?

    It's probably the self learning in the ECU modifying the STFT and LTFT ( short and long term fuel trims) Disconnect the battery for 60 seconds or pull the main ECU fuse for a minute this will clear the trims and see if it returns to the original exhaust sounds. It may take a few minutes to...

  17. CATLESS DOWNPIPE NOT POPPING AS LOUD AS IT USE TO?

    YEA THAT MAKES SENSE COULD BE THE FLAP NOT WORKING CORRECTLY IMA GO TAKE A QUICK LOOK, THANKS FOR THE ADVICE

  18. CATLESS DOWNPIPE NOT POPPING AS LOUD AS IT USE TO?

    no, it’s not. my assumption is your exhaust flap is no longer opening with sport mode, because of jb4. check the flap on the right pipe to see if it’s closed. i tried doing some quick research for you but not sure. never used jb4 https://www.supramkv.com/threads/yes-more-jb4-content.13935/

  19. Is a used Supra worth it?

    If you're going for an unlocked ECU go with BM3 it has more options. If you're going with the manual it needs to get shipped to femto etc etc I think you know the process. Question is you already had work done to this car, and invested time and money why sell it and do it all over again with...

  20. HKS Dual exhaust & AA Catted DP?

    You might be surprised with the AA downpipe on the stock exhaust. It’s a bit louder. Good tone.





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