I recently purchased a full 3-inch 02 eliminator downpipe from Hahn Racecraft for my 96 GSX (I highly recommend this sucker!). The O2 housing was so big that the stock oil filter pressed on it which would have resluted in melted oil filters. Many people resort to using an oil filter relocation kit to alleviate the problem but I found an oil filter that works perfectly! Just go to your local mitsu dealership and buy a filter for a new EVO ($8). The filter is about half the length of the stock one but is much fatter, and it bolts right up with plenty of room to spare. Boost on my friends!
Other oil filters that are known to give more clearance with large 3" exhausts are:
Carquest #84092
Pennzoil PZ-37 and PZ-109
Mobil 1 M1-104 - Honda/Acura
Napa FIL 7092 and 27092- 300GT VR4
Those number were taken from this thread: http://www.dsmtuners.com/forums/maintenance-repairs/387537-i-have-answer-oil-change-w-o-taking-off-downpipe-switching-housings.html
Other oil filters that are known to give more clearance with large 3" exhausts are:
Carquest #84092
Pennzoil PZ-37 and PZ-109
Mobil 1 M1-104 - Honda/Acura
Napa FIL 7092 and 27092- 300GT VR4
Those number were taken from this thread: http://www.dsmtuners.com/forums/maintenance-repairs/387537-i-have-answer-oil-change-w-o-taking-off-downpipe-switching-housings.html
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