Trackday-goers to Castle Combe circuit can often find that their anticipated fun and frolics can get curtailed before they’ve even begun thanks to the Wiltshire circuit’s ‘noise police’.

However, Merlin Motorsport, located in the paddock, manufacturer a saviour with their bolt-on exhaust noise muffler. It is an additional silencer used on trackdays where the car’s existing system fails the mandatory noise test.

The Merlin Muffler, unlike some other decibel reducers, which effectively block the end of your exhaust causing an increase in back pressure, is a straight through device that allows noise-waves to be dissipated within the can thus reducing noise levels without ’strangling’ the engine.

The item isn’t just for Castle Combe obviously as you can keep it in your kit bag and use it at other venues where noise is an issue. The mufflers are priced at £58.50 inc VAT. If you’ve got a V6, V8 or V12 or even a car with twin pipes, you’ll need two mufflers.

Find out more here about the MERLIN MILD STEEL RACING MUFFLER, which is available in various diameters from 47mm to 76mm ENDS.