Improved performance – a muffler delete can significantly improve the car's exhaust flow, thus increasing the horsepower delivered by the car's engine; ... A great, roaring sound – if you like the loud roar of a powerful engine, you can get it with a muffler delete.

Is it bad to do a muffler delete?

Quick answer – muffler delete will not ruin your car and will not cause any engine damage. Although exhaust leak or rusting may happen if a poor welding job is done. Contrary to popular belief, muffler delete will not gain you any horsepower – all it does is make your exhaust extremely loud.

Why is muffler delete illegal?

Mufflers are not part of the emissions so it's legal to get rid of them, BUT it's illegal to get rid of them as without them the exhaust note won't stay within sound ordinances. As long as your check engine light doesn't come on and it won't when you remove your mufflers you should be fine.