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Are S3's limited to 155 mph?

I have APR software and an air filter, and was surprised to see 163 mph on the clock on Friday morning at approx. 6,500 rpm. It pulled well upto 6,500, then wouldn't move. But in the other gears it goes into the red, approx. 7,100 rpm.

I thought being chipped would remove the limiter ?

Put an exhaust on and I bet it goes a bit further....

The APR chip might have not upped the speed limit, I know for a fact some tuners can't find all speed limiters in all ECU's very easily and some don't change it at all... then some newer S3/TTs do have a speed limiter, but it's set from the factory at 511km/h

Cheers,

Mihnea