[hrissim]

Originally Posted by Jim Jamieson

I’ve fitted a lot of extra sound insulation to the back end of both my 75’s

I’ve stuffed all the remaining apertures up with cushions filling. The missus bought it to make cushions then it sat for years so I pinched it

I’ve also fitted a good quality carpet underlay in and around the spare wheel well and tailored pieces behind the boot side trims.

It made a difference to the road noise.

I’ve still to fit an extra piece under the rear seat of my project car when I get round to re fitting the seat cushion.

Wind deflectors are noisy if fitted

Originally Posted by chris75

I have heard that tyres have different noise ratings

Fact!