Yes. The SVA test requires that the exhaust system is fitted with an exhaust silencer.

The exhaust must record a decibel level of or below 101 db(A).   This level will be recorded at the level of the exhaust or 200mm from ground...

It is based on the effective date of registration of your donor vehicles engine and then taken back to the 1st of January of that year. It is...

Petrol engines   Based on effective date of registration for your engine. In all cases we are assuming that the manufactured date of your...

As a general rule, if your donor car was fitted with a catalytic converter and the effective date of registration (engine date) is after 1st of...