Originally Posted by B005T3D-G
I didn't go down the Grooved and Drilled route either but for different reasons. I went for the Grooved only jobs and to be fair they're very quiet if not silent unless you really stamp on them or get them particularly hot. I don't know how he turns a profit but I'm guessing it's a small number and counts on volume of sales as opposed to max profit per product.
Are the discs handed? i.e. do the grooves go the same way (i.e. forwards) on both sides of the car like 'proper' brake kits do (AP etc)?