How do you silence a loud exhaust noise?

Silencing a Loud Exhaust

While the opinions below are ok for VERY short term results exhaust systems are very resistant to temporary fixes due to their heat and locale. If there is a hole in the exhaust have it patched or replaced, If the muffler no longer quiets the engine Replace it, If your header is leaking Get a new gasket and install it, Nothing else will work for more than a short time. An exhaust leak is an automatic fail on emissions testing, and carbon monoxide from the leak is dangerous. When replacing mufflers use the oem model they are quiet enough, aftermarket silencers cause excessive back pressure ( more than the muffler and Cat converter are already giving you) and will hurt performance and gas mileage.

This info is based on universal mid-sized cars. Two solutions: Buy a new exaust system. Like the universal household fixer (duct tape), muffler putty will work on the exaust for awhile.

Here are more answers and opinions from FAQ Farmers:

• Try to find a silencer that bolts into the tip of the muffler. Or you can stuff it full of steel wool. That should muffler it enough for you and you will still have flow.