look on your drivers side door on the specifications label.
it is 225/60/R16
either 3400 or 3800 No Impala SS was produced in 2001.
225/60-16
36mm.
p/225 60 r-16
6 3-4"
31 x 10.5
The 2001 Chevrolet Impala has a V6 engine.
The 2001 Chevrolet Impala has a 3.4 L base engine size.
16" X 6.5" 5 Lug 115mm bolt pattern rim with P225/60R16 size tire.....
if it is a stock sub woofer it should be an 8 inch
What year, what size engine? 2004-2008 Chevy impala