You will really benefit from this tune with the enhanced exhaust flow you are planning to install.
I have not see any improvement in gas millage. I am still getting 16mpg on non-road trip driving.
I still think the 50i engine desperately needs a highflow intake. You can easily feel that it is not getting the amount of oxygen it is begging for.
Quote:
Originally Posted by X5Jouster
I would love some end user response in regards to this tune. I'm going to put in xpipe in place of the center resonator, would love to add this tune to enhance that flow. Who else on this forum has it so far?!
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