Originally Posted by PowerCell
It's important to remember that the Uni-Filter is actually 3 separate filters; the intake socks, the pre-filter and the main filter. If you wanted to do a complete comparison you should run the Uni in all 3 formats. With only the main filter it probably would flow better than stock. With the pre-filter added you might be giving up a couple of ponies, but filtration is much improved and interval services may be limited to just the pre-filter...
That is possible, the tests were done with the pre-filter.