Performance Delta

Track day guides · Before you book

Noise limits explained

What static and drive-by limits are, how cars are tested, and what to do if your exhaust is loud.

Every circuit has noise limits, usually set by agreements with the local council and neighbours. Cars that are too loud can be sent home, so it's worth checking before you book.

Static and drive-by limits

Limits vary by circuit, and sometimes by day or layout: a circuit may run a quieter day now and then. Each circuit page on this site shows the typical limits, but your organiser's figures for your day are the ones that count.

If your car is loud

A general guide. Your organiser's and circuit's own rules always come first - check them when you book.

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