Is it OK to drive with an exhaust leak?
Driving with an exhaust leak is potentially dangerous as the fumes contain carbon monoxide.
An exhaust leak can decrease fuel efficiency, causing your engine to work harder, and you to fill up your gas tank more frequently.
A third sign your exhaust may be leaking is if your gas pedal vibrates while you are driving..
How much does it cost to fix a hole in the exhaust?
It just depends on how difficult it is to get to the exhaust manifold. Expect to pay anywhere from $125-$300 for labor costs. The parts aren’t going to cost much either. While different vehicles require parts of differing prices, the range is somewhere between $15 and $50.
Will a hole in my exhaust affect performance?
It is true that if your exhaust pipe has a hole or a leak, your engine performance will be affected. For those driving older vehicles, the problem may not be immediately evident because older cars tend to be slightly noisier and less efficient.
How do I fix a hole in my exhaust silencer?
Use a thin metal patch to repair a hole in an exhaust silencer or muffler. Next is to apply a special exhaust repair paste;around the edges of the hole which will set rock hard and seal any gaps giving you a gas tight seal.