Keeping on the subject of noises in vehicles, we have heard about a new insulation material that would be ideal for many older 4x4s, where the original insulation has probably rotted away. Under Carpet Lite (www.boommat.com) is a new lightweight sound deadening and thermal insulation that will prevent the transfer of noise, and keep you a lot warmer in the winter.
The multi-layer polyester/fibreglass composite material is available in a variety of sizes and you can purchase in the UK via www.nimbusmotorsport.com or www.demon-tweaks.co.uk