Yeah noticed a lot of this too, pops and bangs maps can make it pop all the time on overrun but some cars have something as standard too, eg the mk3 RS, and I think the mk8 ST will pop in sport mode too.
You get some people driving around town with the throttle like an on/off switch...
on-off-bang-bang-on-off-bang-bang-bang
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2005 Fiesta ST - wrote off
Newman fast road cams, Fusion Fabrications custom inlet manifold, custom exhaust