"An exhaust system is a complex mechanic, involving many individual parts that must be properly fitted and working correctly. Part of the assembly kit is a number of car rubber strips which act as sealants in the system. There are a variety of these sealants, each designed to fit and function in a specific way, and any of which may cause a leak in the system if not regularly maintained. For this reason it is possible to buy each individual kind of car rubber strip required, which prevents you from having to buy an entirely new system due to the failure of a single part."
A leak in your exhaust system is often caused by the failure of a car rubber strip sealant. This can easily be spotted by fumes leaking near the engine or rear of the car, and is often more easily smelt as the fumes find your nostrils. This problem can quickly escalate and get out of hand and the problem should be seen to as soon as possible. Keep in mind that different model vehicles have different exhaust mechanisms and that specific parts will likely be required.
Finding the specific car rubber strip that has failed can be a tricky task, often requiring the dismantling of the entire exhaust system. A DIY mechanic may have no problem doing this, with the car rubber strips being identified by their physical appearance. A less savvy car owner, however, may wish to contact a professional. In order to find the exact specific car rubber strip required, in the case of DIY, keep it on hand and have it identified by sight.