i was just given a K&N cold air tube. i need the couplers that connect to the throttle body and to the maf. i went to a local auto store and all they had was 3 inch couplers. the 3 inch only fit inside the tube, i need them to fir over the top of the tube and TB. do i need 3 1/2 inch couplers? if so where can i find them. i have looked all over.
Also my K&N filter is about 1 1/2 old and is black in color, i wash it with the cleaner, but how long do they last.
Thanks guys for any help