K&N Unique / Special Purpose Universal Air Filters

RC-5000
RC-5000

RC-5010
RC-5010

RC-5050
RC-5050

 

SPECIAL FILTERS TO CLAMP DIRECTLY ON GM TPI THROTTLE BODIES USING 1990-92 STOCK GM OR DIGITAL FUEL INJECTION COMPUTER.
WILL NOT WORK ON ENGINES THAT USE A MASS-AIR SENSOR.
NOTE: NOT LEGAL FOR USE ON EMISSION CONTROLLED VEHICLES THAT OPERATE ON PUBLIC STREETS.

 
2 15/16" x 4 3/4" oval mounting flange, 4 3/4" x 6 1/2" oval base, 3 1/4" x 4 1/2" stainless steel oval top, 5 5/8" filter height, 7/8" flange length RC-5000
2 15/16" x 4 3/4" oval mounting flange, 4 3/4" x 6 1/2" oval base, 3 1/4" x 4 1/2" rubber oval top, 3 1/2" filter height, 7/8" flange length RU-5004
2 15/16" x 4 3/4" oval mounting flange, 4 3/4" x 6 1/2" oval base, 3 1/4" x 4 1/2" stainless steel oval top, 3 1/2" filter height, 7/8" flange length RC-5004
2 15/16" x 4 3/4" oval mounting flange, 4 1/2" x 7" oval base, 4 1/2" x 7" chrome oval top, 2" filter height, 3/4" flange length RC-5010
2 15/16" x 4 3/4" oval mounting flange, 5 1/4" x 8 5/8" oval base, 4" x 6 1/4" stainless steel oval top, 5 1/2" filter height, 7/8" flange length RC-5050
3 15/16" x 6 1/4" oval mounting flange, 5 1/2" x 7 3/4" oval base, 4" x 6 1/4" stainless steel oval top, 5" filter height, 7/8" flange length RF-1001
 

RE-0220
RE-0220

RE-0280
RE-0280

RE-0380
RE-0380

 

SPECIAL FILTERS WITH THREADS IN THE TOP-PLATE TO AID IN MOUNTING, OR TO AFFIX COVERS/SHIELDS.

 
1 1/4" round mounting flange, 3 1/2" filter diameter, rubber top, 1/4-20 threads, 3 1/2" filter height, 5/8" flange length RE-0220
1 3/4" round mounting flange, 3 1/2" filter diameter, rubber top, 1/4-20 threads, 3 1/2" filter height, 5/8" flange length RE-0260
2" round mounting flange, 3" base diameter, 3 1/2" rubber top, 1/4-20 threads, 3 1/2" filter height, 5/8" flange length RE-0280
2 1/2" round mounting flange, 5" base diameter, 5 1/2" metal top, 1/4-20 threads, 2 3/4" filter height, 5/8" flange length RE-0380
 

RU-2952
RU-2952

 

SPECIAL FILTERS WITH DUAL OVAL MOUNTING FLANGES, SOLD IN TWO-PACKS ONLY.

 
2 3/16" x 2 7/8" flanges, 5" x 6" rectangle base, 3 1/4" x 4 1/4" rubber oval top, 4" filter height, 11/16" flange length, 3 1/8 c-c spacing RU-2952
 

RM-3001
RM-3001

RM-3501
RM-3501

SPECIAL FILTERS WITH METAL BASE AND FLANGES,TO ALLOW MOUNTING THE FILTER WITH A HOSE, IDEAL FOR HIGH TEMPERATURE APPLICATIONS SUCH AS TURBOCHARGERS.

 
3" Outside diameter round mounting flange, 7" filter diameter, 7" chrome top w/1" hole, 6" filter height, 1 5/8" flange length RM-3001
3 1/2" Outside diameter round mounting flange, 4 1/2" x 7" oval base, 4 1/2" x 7" stainless steel top, 3 1/2" filter height, 5/8" flange length RM-3501
 

RF-1011
RF-1011

RU-3460
RU-3460

RU-3450
RU-3450

 

OTHER UNIQUE UNIVERSAL AIR FILTERS

 
1 1/2" x 2 1/4" oval mounting offset flange, 3 3/4" x 3 7/16" rect. base, 3 3/8" x 2 3/4" rectangle top, 2 1/4" filter height, 3/4" flange length RU-3450
1 15/16" Outside diameter round mounting offset flange, 3 7/8" x 3 7/16" rectangle base, 3 3/8" x 2 3/4" rectangle top, 2 1/4" filter height, 1/2" flange length RU-3460
1 1/4" Inside diameter round centered flange, 3 7/8" x 3 7/16" rectangle base, tapered, 2 1/4" filter height, 1/2" flange length RU-3410
3 3/16" Outside diameter flange, 4 1/2" x 6 1/4" base, chrome top, 11 3/8" filter height, 3/4" flange length RF-1011
 

 

These filters are legal ONLY for racing vehicles.
Not applicable, nor intended for use on emission controlled street or highway vehicles.