Said It Here

Can I drive my car with a stolen catalytic converter?

Driving without a catalytic converter makes the car extremely loud and can cause further vehicle damage if driven long-term. While it might technically make it a short distance to a shop, trying to drive it daily for work without fixing it is not sustainable.

Overview
People affected3 accounts across 2 forums
Workarounds found5 items attempted
Community agreement4 total upvotes

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

5 items+ Contribute

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Driving the vehicle to a muffler shop for an aftermarket replacement while wearing earplugs to handle the loud noise.
    Did this help you?
  2. 2
    Driving the car without a catalytic converter for a temporary period
    Did this help you?
  3. 3
    Living with the loud exhaust noise and check engine light
    Did this help you?
  4. 4
    searching online for exhaust layout diagrams to identify missing parts
    Did this help you?
  5. 5
    asking online mechanic communities to identify the missing component from a photo
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/AskMechanics1 person · September 2026

“Cars catalytic converter got stolen.”source ↗

“Will the car make it that distance ? I don’t wanna damage the car by doing this drive but I also thought the CC was just for keeping fumes down.”source ↗

climbingprogress · r/AskMechanics · 1 upvotes
r/MechanicAdvice2 people · September 2026 – October 2026

“It’s expensive to fix and I really can’t afford it right now. So how bad is this for my car or can I drive this for the next two months( I drive for work)”source ↗

MudApprehensive4339 · r/MechanicAdvice · 1 upvotes

“The check engine light and the oil light is on but he said that’s normal. I hate it being loud honestly”source ↗

MudApprehensive4339 · r/MechanicAdvice · 1 upvotes

“Been parked about a year, when I started it I heard an exhaust leak. Found this. What was here that is gone? I’m not mechanically inclined sorry”source ↗

YGthaKING · r/MechanicAdvice · 1 upvotes

Where this came up

r/AskMechanicsr/MechanicAdviceauto repairexhaust systemtheftvehicle maintenancevehicle repair

People with this problem also raised