Jan2013(Z06 muffler mods) and (NPP rattle/BUXX fix) avail. in New England............
 

1. Z06 muffler mod, changes to "non perforated" ZR1 style muffler for better sound in the "OPEN" mode only

$330 removed/mod/installed, 3 hour installation, I do have a spare set that is ready to go, 45 minute swap.

2. NPP rattle/BUZZ on your 2008up base C6? I can open the muffler and fix the rattle, I currently have an "unopened" set in stock. (not shipping)

860-989-8972 Steve

Of course AR Headers installed 7 days/week, $1700 any C6