I love this site! It always has the cheapest prices for the parts I need and whenever I order from here I KNOW the part will fit my RSX (ordered a set of motor mounts for my RSX from kseriesparts.com and it came with a 2/3 RSX mounts and 1 mount...
...The product comes with a 2-bolt flange on the side (standard) and it is the customer's responsibility to either change that flange to a 3-bolt or change whatever is on their header, cat, downpipe...