Originally Posted by Pleiades

No need to make any adjustments - the Kev mod/O2 controller are the adjustments!

The Kev mod and O2 controller can both be had from Kev; you will save a bit on postage if you get both together as well. Send him PM to arrange.

You used to be able to buy DNA air filters at a discount through XT660.com, but that tie-up has now ceased. You'll have to get them from DNA direct (or from elsewhere online).

The two parts you'll need are:

DNA Air Filter - http://www.e-dnafilters.com/Product.asp?ID=810
DNA Stage 2 air box cover/intake - http://www.e-dnafilters.com/Product.asp?ID=824