Technically, a muffler quiets the engine by reducing the sound pressure emitted. The factory mufflers on your Mustang are made to sound good, but are restricted by efficiency concerns, ease and cost of manufacturing, and of course sound level laws. For many enthusiasts, the stock mufflers are too conservative.
RE: nominal. 25 Aug 06 13:08. A nominal dimension is one which the tolerance is based from, which is not necessarily the optimum size. A dimension can have a Push Fit or Press Fit tolerance of say +.001/+.003 showing that the actual nominal is NOT what is required.
Diminution in Value Law and Legal Definition Diminution in value generally refers to a reduction in the worth of something caused by an action of a third party or entity. In the context of contract law, it refers to a breach of contract causing the decrease in value of property due to the failure to construct something exactly as specified in the contract. Diminution of value studies are often used in relation to real estate valuations in situations such as studies of the impact of locating an aiport near residences.