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  1. What map on JB4 is safe for me?

    I will be installing an Armytrix catless downpipe, FTP charge pipe, Armaspeed carbon intake, and JB4 on 93 pump. What map is a fun/safe map to run? I don't need balls to the wall power. @zrk @Jesse DaBears
  2. Im getting the Armytrix Catless Downpipe will I get CEL?

    I have a 2021 supra-locked ECU. I want some more bang pops, but I don't want CEL. I know @Mimosa Used this one and didn't get a CEl. Do you guys have any experience with this Down Pipe?
  3. WTB | Catless DP w/o CEL

    I got this one, no cel. ~300 miles. Ill update this if one pops up. Update?
  4. How much louder is Active Autowerke downpipe over stock?

    I wanna buy the AA downpipe. My neighbors hate me, so I don't want to be noticeably louder. On cold starts do you think an untrained ear will tell that it is much louder?
  5. NJ/NYC

    Hell Ya!
  6. Can I tune on JB4 with meth injection?

    @Jesse DaBears I'm thinking about doing JB4 and I think I would want you to tune my car. Before I get a special JB4 Tune I want to have all supporting mods done. My main question is if I buy a Meth injection kit could you tune it using JB4.
  7. Can JB4 Clear a Check Engine Light caused by a downpipe?

    Catted downpipes shouldn't throw a CEL if their cell count is 400 or more I think, but a 400 cell downpipe is a little quiet compared to a 200 cell downpipe. I think...
  8. Can JB4 Clear a Check Engine Light caused by a downpipe?

    I have a locked 2021 supra and I really want a new downpipe. I thought about getting the AA downpipe, but $1400 ouch. so I was wondering if I got a different downpipe that set my CEL off could I clear the code using JB4? if not what can I use?
  9. Cleveland, OH - $180 - Forge Chargepipe

    Which catted downpipe do you have?
  10. What will void my warranty?

    I have a locked ecu 2021 supra 3.0 and I want to do some mods. I ordered an Arma speed carbon fiber intake. I would like to do JB4 tuning, but I'm afraid that I will void my warranty on my brand new car. Do you guys have any experience?





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