LOUD!

This is mine all be it the car is stripped BUT I wouldn't have one in a road car.

http://www.youtube.com/user/lucars1#p/u/14/7vzzIb5kHOo

Speak to Mike Rainbird though as he has one and uses it on the road in his Escort which is fully trimmed.

They are awesome though but does transform the car from road to race IMO.