I am looking to do one power adder this year to my stock 2016 JCW. I am wondering what your thoughts would be between doing the JB4 or a MK down pipe? Obviously would love to do both this year but decided to do one power mod and one suspension mod.

Also is the JB4 able to do the E30 blend right out the gate or do you have to purchase a separate adapter for it to read the flex fuel?

 

The JB4 will add significant power. The down pipe won't.

 

deleted for inaccurate info

 

I sell both, get the JB4 first

mQubed Motorsport Manic Tuning Dealer

 

MarioKart

I have E30 available at a gas station next to my house and was wondering am I good to use this once the JB4 is installed? Or do I have to do some other things first?

 

The JB4 has a flex fuel line. E30 is all you can use. When using E85 I typically use 3-4 gallons and top it off with 91

 

So in AZ we have 87, 89, and 91. Which one would I use for an R56 JCW?

 

91 or higher

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Is this standard on the JB4 or do you have to purchase it separate and wire it in? I was reading the site/forum and was unclear if the JB4 came with it but the stage 1 did not and you wired it in if you wanted it.

 

the flex fuel wiring is a separate part, not included with the jb4. costs $25 extra

http://www.burgertuning.com/B48_upgrades.html

 

JB4. I have one with everything including flex fuel wires if you want it.

 

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