# 2001 Mercury Grand Marquis - Exhaust in cabin, loud exhaust

**URL:** <https://community.cartalk.com/t/2001-mercury-grand-marquis-exhaust-in-cabin-loud-exhaust/189598>\
**Category:** Maintenance/Repairs\
**Tags:** mercury, exhaust-system\
**Created:** [March 15, 2023, 4:40am UTC](https://community.cartalk.com/t/2001-mercury-grand-marquis-exhaust-in-cabin-loud-exhaust/189598 "2023-03-15T04:40:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![2001mercurygrand4.6](https://avatars.discourse-cdn.com/v4/letter/2/87869e/32.png) [@2001mercurygrand4.6](https://community.cartalk.com/u/2001mercurygrand4.6)\
**Post date:** [March 15, 2023, 4:40am UTC](https://community.cartalk.com/t/2001-mercury-grand-marquis-exhaust-in-cabin-loud-exhaust/189598/1 "2023-03-15T04:40:27Z")

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smoking drivers floorboard ,sounds like hole in exhaust

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**Author:** ![davesmopar](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/davesmopar/32/41750_2.png) [@davesmopar](https://community.cartalk.com/u/davesmopar)\
**Post date:** [March 15, 2023, 4:58am UTC](https://community.cartalk.com/t/2001-mercury-grand-marquis-exhaust-in-cabin-loud-exhaust/189598/2 "2023-03-15T04:58:18Z")

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Catalytic Converter can glogg up and get hot enough to catch the carpet/vehicle on fire…

Of course a little more detail about the smoking drivers floor boars would help… Could just have a hole in the exhaust and a rusted out floorboard letting the exhaust come in through the floor…

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [March 18, 2023, 2:33am UTC](https://community.cartalk.com/t/2001-mercury-grand-marquis-exhaust-in-cabin-loud-exhaust/189598/3 "2023-03-18T02:33:49Z")

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Or someone stole your catalytic convertor

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**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\
**Post date:** [March 18, 2023, 3:16am UTC](https://community.cartalk.com/t/2001-mercury-grand-marquis-exhaust-in-cabin-loud-exhaust/189598/4 "2023-03-18T03:16:07Z")

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As the lady in the Midas commercial said,

“Ya Muffla! Fix it!”