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Do JB+ and other "power ups" affect exhaust pop/burble?
I noticed the difference right away with my ECU tune, when I let off the gas at higher RPMs there's a definite change, not quite a "backfire" but way different. All I have to do is downshift using the paddle and it's there. Do you guys with the add-on units notice that? JC. I realize I have a different car yes.
Naw, the modules only increase boost by fooling the ECU about MAF sensor, or the MAP sensor readings.
Pop and burble is a result of fuel and ignition timing, which units like JB+ don't change.
No difference on my 2013.
I have a Dinan arriving for the 2017, Ill let you know.
I wonder if it's ASD doing it. I've disabled ASD on my '17 JCW and although people say it's only about Engine noise, I found the exhaust "highlights" are noticably absent, even on Sport mode. I used to hear them over the music and now I strain to hear them with the music off.
An update to this - I pulled my NM Power Module off last week to get some warranty work done, and on the drives to/from the dealer, there was more popping and louder popping without the power module than with it on.