Exhaust System Upgrade - What A Drag, Part 5 Photo Gallery
11 We brought along our old decibel meter for our ride to and from Tune Time Performance. The interior noise level (windows up cruising at 70 mph) on our way to TTP was 96 Ddb. For the ride back home interior was at a more tolerable 90 Dbl. That’s impressive considering the Nova is now missing its tailpipes.