Alexx - yes JB4 maps do add more "character" to the exhaust note and canflap control means you can do the 'golf-tee-mod' on the fly at a push of a button. BP
The added boost seems to cause much louder bangs and pops. And with your exhaust setup you should be making some epic sounds. The general exhaust noise is lifted to a new level of savagery too.
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