Sports back box exhaust silencers

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This article will focus purely on the cosmetic benefits and considerations when fitting a sports silencer. There are of course a number of legal restrictions. Generally speaking the bigger the bore the deeper and louder the exhaust note will be. Most countries have laws preventing the use of loud exhausts. In the UK you also have to ensure that the exhaust does not stick out further than the outermost edge of the rear bumper.

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