# Revvy Impala

**URL:** <https://community.cartalk.com/t/revvy-impala/58938>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, noises, impala, engines\
**Created:** [December 20, 2010, 3:14am UTC](https://community.cartalk.com/t/revvy-impala/58938 "2010-12-20T03:14:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ShiftKicker](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/shiftkicker/32/2161_2.png) [@ShiftKicker](https://community.cartalk.com/u/ShiftKicker)\
**Post date:** [December 20, 2010, 3:14am UTC](https://community.cartalk.com/t/revvy-impala/58938/1 "2010-12-20T03:14:02Z")

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My dad’s 2001 Chevy Impala has been accelerating somewhat loudly since he bought it this summer. The noise is a smooth revving noise. It doesn’t sound bad, but I want to be sure.  
  
  
  
 ShiftKicker  
  
  
  
 P.S. The previous engine did this.  
  
 P.P.S. I will add more info if needed.

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**Author:** ![waterboy](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/waterboy/32/764_2.png) [@waterboy](https://community.cartalk.com/u/waterboy)\
**Post date:** [December 20, 2010, 3:24am UTC](https://community.cartalk.com/t/revvy-impala/58938/2 "2010-12-20T03:24:20Z")

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Does it sound like a bad muffler?