When I had the side pipes running I did a little test down the south eastern freeway.
Held the sound meter at my right ear while doing 100 k/ph.
109db at my ear!!!!!!
Let’s just say I started wearing earplugs while driving the Cobra long distances.
The exhaust now exits out the back of the car and I must say it's much nicer that way.
When I had the car engineered for the first time it blew 102db at the tip.
It had to be 92db 4 inches from the tip at 45 degrees at 2/3 max revs.
To get it to that I ran duel inch and five eighths exhaust with 2 commodore mufflers, four resonators and two and a half metres of chook wire jammed up the tail pipes.
From memory it blew 98db with out the chook wire. (max revs dropped to 4 grand when the wire was added).
What ever it takes, right.
