Can JB4 Piggyback Shoot Flames?

andrewtrxnn

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Andrew
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2020 GR Toyota Supra 3.0
Wondering if i install catless downpipes along with a JB4 Piggyback, is there a possibility of shooting flames? i heard that different mixtures of ethanol can cause it to shoot flames

Also main reason i’m using JB4 is to avoid flashing the car so my warranty wouldn’t be voided (less of a risk atleast). I read such things as using JB4 and a BEF (Back End Flash), would this defeat the purpose of why i’m getting a JB4? If not i would love to purchase a BEF to control burbles etc etc and more power. Any advice? Fairly new to this
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ViscontiSupport

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A lot of flames is going to be tuning related. Not something thats going to happen with JB4.

If youre not concerned about warranty, please spend the extra money on EcuTek. Far superior support and tuning ability. Not to mention, with youre catless DP and a JB4, youll have a pesky CEL.

Feel free to email or text me if you have any questions or if I can help!

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