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  1. Exhaust tap plug tap

    Does anyone have a quick link to a product that can tap into the exhaust plugs? Similar to the JB4 where you are intercepting a signal is what I am interested in, Looking to cut and weld an OEM exhaust flap right after the downpipe, If I can successfully tap into the OEM factory sensor plugs...

  2. First time ethanol use help

    Hello I live in California where we have 91 octane. I have an intake, exhaust, catless and JB4. Can I run an E30 blend without a flex fuel kit and if so what map do I need to use with JB4 before I can get a custom tune

  3. JB4 vs Unlocked Tune

    Ok, this has definitely been answered, but after hours of research and so much information out there, this has became crazy. To get into it, I am looking to do a few mods in the future. Such as full exhaust with catted Dp, charge pipe, intake to start. I have a 2022 3.0, but I'd personally like...

  4. What did you do to your Supra today?

    Installed the jb4 on the Supra and took off the mbrp side exit exhaust off the truck to go back to stock :(. Failed clamps caused the pipes to come loose and couldn't get the borked clamps off, plus it was a bit obnoxious for long trips and now we have the AWE track on the Supra for making noise...
  5.

    SOLD: AMS CATTED DP

    Glad you like it! Pair it with a JB4 and tune by Jesse to fully utilize the extra flow! The next step up would be a catback exhaust to pair with it if you want more sound. AWE Touring Resonated was a significant step up over the stock catback and much deeper but it is very loud especially on...

  6. What did you do to your Supra today?

    That's a little different from me. I'd do coilovers and as many SPL bits as I could to add to my wheel/tire setup and run laps around exotics. But, again, I'm not a HP guy, since it doesn't help me go faster. Just a "different strokes" thang.

  7. What did you do to your Supra today?

    That's the wall I'm at, i did spend it else where. Lol even went out and brought a 24ft trailer to move the car to texas next month. I have custom tune from Jesse on jb4(still dialing in) with ewg and FSB, exhaust, downpipe, Intake, wheels,tires, meth kit, port injection plate. Holding off on...

  8. What did you do to your Supra today?

    You hit limp mode. It wasn't the Map per say, just car getting pissy. Bimmer's are tempremantal.

  9. What did you do to your Supra today?

    I did get some codes as the day got hotter. Felt significant power loss & some diagnostic stuff came up on the car screen, so I pitted in. Switched to map 0, turning the JB4 off, problem solved. The next day, I tried map 2 and Viola! It worked. Power wise, map 6 is a beast if it’s under 80...

  10. What did you do to your Supra today?

    Big week for me! Bought the car about a week ago, and this weekend really got to work on making it my own! Installed this weekend: - HKS Dual Exhaust - Injen Intake - JB4 - Autotecknic Competition Spoiler - Interior flair (passenger trim, red start button, etc) Absolutely loving this thing...

  11. Sport Mode for Autocross

    Thx man! I have an AWE track, so no flappers. Also have a JB4 and been working with Jesse on my custom tune. I really hope I can keep the car in manual mode & slightly roll the throttle. But may stay in manual mode with sport off if it's really that touchy... It should be a fun weekend...

  12. Sport Mode for Autocross

    Put it in sport mode but set engine to normal. The throttle is way too touchy coming out of tight low speed turns in sport mode. Also, if you have a jb4, set the exhaust flapper to be open all the time. It closes when you set engine mode to normal. All nannies off brings out the real fun!

  13. 2022 GR SUPRA Stock to track/Street ultimate build

    I am new so sorry if this is a bit rough never did this before ! So I wanted to create a thread of me doing changes and problems I have faced and what I did to solve it with the goal of helping as many people as possible go through the path of least resistance when deciding to mod/upgrade their...

  14. Catless DP makes less pops

    See some of the posts above me, I believe it controls the exhaust valve. Not sure because I personally don't use a JB4

  15. ~Slick Supra Atl ~ Anyone Participating In Clean Culture Season Closure On November 12th?

    ~ 2021 Toyota Supra Build ~ HKS Cold Air Intake HKS Adjustable Springs HKS Titanium Exhaust Active Autowerke Catted Downpipe JB4 Stage 2 Tune Volk TE37s M-Spec Diamond Dark Gunmetal Carbon Fiber Lip Kit Blam Speaker Components Helix Audio Amp Match Up 10 Amp Kicker Comp Q Sub

  16. Catless DP makes less pops

    Exhaust valve has nothing to do with the catless downpipe

  17. Catless DP makes less pops

    JB4 won’t increase pops at all just increases boost. If you want sound a nice cat back exhaust and downpipe would suffice AWE makes really top notch acoustic stuff had their products on my 392 charger and C7 Z06 as well always great sounds

  18. Catless DP makes less pops

    Just so I follow, if I keep the valve completely open (lets say unplug the fuse), I will avoid a CEL on an catless DP, untuned, non-jb4 car?

  19. Best Track Times Registry

    1) What Track? Which Configuration? Ridge Motorsports Park, Shelton, WA (No front straight chicane) 2) Elapsed Time? 1:56.737 3) Date? Sept 6, 2022 4) Modifications? aFe f+r sway bars, SPL front LCA, Endless MX72 brake pads, RF650 brake fluid, KW DDC coilovers, Titan 7 TS-5 19" wheels, AA catted...

  20. JB4 for noobs (beginners)

    That's very odd! If anything it should increase without a cat filtering the gas that goes bang pop crackle bang detonating in the exhaust. I will say, and the reason I asked the question about the JB4 controlling this, is that they seemed to be more muted after I installed the device. May just...





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