Visconti Flex Fuel kit VS. Fuel It Flex Fuel kit

[zrk]

Also you're more likely to grenade it on a Jb4 with OTS maps than are you are a pro tune where an actual turner is adjusting maps based on your specific car, altitude, mods, IAT, fuel grade, etc.

This basically applies to any OTS tune. JB4 can be used reliably and safely, and you can tune it. I'm not going to lose mine when I finally get unlocked. It's a solid tool, user adjustable, on-the-fly map switches, etc. JB4 is just a tool. Use it right, and you won't grenade anything.

Warranty - yeah. Whatever. I'm happy to pay to play, unlike that dude with the amplifier.

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