I guess it depends on your application. For purposes of *****-slapping people from a standing start, you may not need it though there may be occassions when the strategy works against you. ASR intervention isn't too subtle after all...
On the track though, it's a bit of an annoyance when it kicks in powering out of turns (at least trying to...it won't let you). The worst part is when ASR kicks in after the apex, it acts and feels a lot like lift throttle oversteer (which it essentially is) and if you're not quick enough, you'd be pointed at the opposite direction. If you do a search, this actually happens to people exiting an on-ramp/off-ramp. Again, potentially not a pretty sight...
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That's actually not quite accurate because with ASR, there never is a *great* deal of wheelspin. What you actually get is a bit of wheelspin then.....nothing, or next to nothing...power just cuts out and the fun stops for a while.
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That it does. The 18 inch tires I had on when I initially got the car were 235s in front and 265s at the back. I still use them at the track sometimes.