got one of them on my tzr, abiet the 65mm version as i have the dellorto 32mm, fits well in the tzr too, but in hells name how its going to fit well on the dtr, as the shock is in the way.
great foam filter, had to up jet slighly as to the increased airflow was needed. and the power difference was noticeable. On a dtr would make a huge differene i rekon, better than the standard air box for sure. But and a big but, the trade off against off roading deep mud and the placement of the filter,