What Did You Do To Your Chevelle Today

[carpoor]

Originally Posted by dconnor

Cleaned the interior, and ordered a magnaflow muffler at 4wheelonline to quiet down my exhaust.

Get the longest case you can fit. I went with 18" case mufflers on my 72. Factory shows 19.5" is what they had stock. I have a 22" case Magnaflow on my truck with two Dynomax race bullets in front of it. Killed the rasp and 99% of the drone. LS engines are known for both - rasp and drone.