ever since the exhaust joining sleeve broke (and the car sounded amazing!) i have been toying with fitting a couple of these before the rear box.
car is quiet and serene when i want it, but at the flick of a switch it becomes a snarling animal.
http://www.driftworks.com/blog/2012/...-now-in-stock/
plus i love the name. "retard valve" lol
