Its a small exhaust probably 2 1/4" single with glasspacks. But I think they dub the sound in.
Black 1967 Chevy Impala
Impala
Type of antelope.
type it on bing
The 2010 Chevrolet Impala has overhead valves (OHV).
The 2001 Chevrolet Impala has overhead valves (OHV).
The 2006 Chevrolet Impala has overhead valves (OHV).
The 2008 Chevrolet Impala has overhead valves (OHV).
The 2011 Chevrolet Impala has overhead valves (OHV).
The 2002 Chevrolet Impala has overhead valves (OHV).
The 2004 Chevrolet Impala has overhead valves (OHV).
The 2003 Chevrolet Impala has overhead valves (OHV).