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Originally Posted by RED_EL_XR8
What has truck cleaners got to do with sports filters anyway. like comparing sandpaper to car polish.  : |
please correct me if i'm wrong, but dont trucks actually draw more air in than a car would, so by doing tests to find out restrictions/flow rates would have alot of bearing on pwr/tq, also by measuring the amount of dust that goes through the filter can also play a big bearing engine life, a lot of us think that 200k is a lot of k's for a car, but with trucks they usually expect to get over the 1 000 000 km mark, before they need to do a rebuild, thus by knowing that a certain filter actually traps more dirt/dust without affecting pwr/tq can be quite important.
i myself am quite supprised with the results of the k & n and personnaly thought that they would have been higher, but you get that