I don’t follow how. Not forcing more air in. A less restrictive filter only allows more air in if demanded. Cylinders only draw in what they need on each revolution. The 12 minute, no touch autotune should be sufficient.
Our local ceramic coater can do inside and outside. It was an option when I did my Ford 6.0 manifolds. Kind of pricey, but might be a reasonable route too.
This is true. I tried both the PSL14610 and the PL14610. You cannot use the PureOne filters on this bike. I've been sold on Purolator filters for years since reading nicely done comparisons on construction and surface area of the media. But I tried 2 of them before searching this forum and...