Q: Can i punch out my cats?

asked by on

So my friend was saying that i can punch out my cats for a better exhaust tone. Is that legal in st louis city, Missouri??

My car has 127000 miles.
My car has an automatic transmission.

Hi William. Thanks for contacting us today. Can you do this? Yes. Is it legal - NO.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Can i punch out my cats?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: air conditioner started making loud screeching noise and started only blowing hot air, then the noise stopped but still only blows

The noise is possibly from a failed compressor clutch or the compressor itself is faulty. Another possibility is the pulley bearing on the front of the compressor has failed. The issue should be fairly evident to the inspecting mechanic after...

Q: I have replace the fuel injectors and now i have a p0200 code aswell a p0300 code. What can it possibly be

Hi there: The P0200 OBD-II code indicates that the engine control module (ECM) has detected a malfunction in the fuel injector circuit. The fuel injector circuit controls the fuel injectors and commands how much fuel and when to spray the...

Q: Car cannot start, check engine light on

A vehicle that cranks but doesn't start indicates a problem with fuel delivery, ignition, or compression. A vehicle that doesn't crank at all indicates a problem with the starting/charging system or an internal engine mechanical problem. You said the Check...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...