Insane Shafts Part# IS-045-IS-046
Fitment: 06-11 Civic 1.8L R18 M/T
Insane Shafts Part#  IS-013-IS-014
Vehicle application: 02-06 RSX Type-S
Insane Shafts Part# IS-009-IS-010
Fitment:
88-91 Civic/ CRX w D-series engine (Direct OE Replacement)
Insane Shafts Part# IS-008-IS-009
Fitment:
92-00 Civic / 92-97 Delsol with D-series engine & hydro D-series transmission.
Insane Shafts Part# IS-P04
Available with 500hp or 1000hp rating LH or RH
Insane Shafts Part# IS-P05
Available with 500hp or 1000hp rating LH or RH
Insane Shafts Part# IS-020-IS-021
Vehicle application: 00-09 S2000 (AP1/ AP2) rear axles.
Insane Shafts Part# IS-103-IS-104
Fitment:
99-02 Nissan Silvia S15 and 93-94 Infiniti J-30 (rear axles)
Insane Shafts Part# IS-101-IS-102
Fitment:
89-91 240SX (rears axles)
Insane Shafts Part# IS-BRK-1-D
Racing B-Series Hydraulic Type Intermediate Shaft/ Half Shaft (M/T). Rated at 1000hp.
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Insane Shafts Part# IS-503-IS-503
Fitment: 05-2007 WRX SEDAN M.T. / 04′ STI W/5X114 (W/STUB)
Insane Shafts Part# IS-500-IS-500
Fitment:
99-01 Impreza RS
02-04 Impreza TS
2004 WRX STi w/5x100 (w/FM)
99-04 Outback
Insane Shafts Part# IS-510-IS-510
Fitment:
05-07 SUBARU IMPREZA STI REAR
Insane Shafts Part# IS-501-IS-501
Vehicle application:
02-04 WRX sedan
02-04 Impreza RS
Insane Shafts Part# IS-507-IS-508
Vehicle application:
01-04 Outback 2.5L AT (rear axle set)
01-04 Legacy's* (*please inquire within for this application only fit some models)
Insane Shafts Part# IS-505-IS-506
Vehicle application:
02-05 WRX (rear axle set)
02-05 WRX Impreza RS (rear axle set)
Insane Shafts Part# IS-504-IS-504
Subaru Fitment:
05-07 Outback
08-09 Outback 2.5L
08-12 WRX
Insane Shafts Part# IS-511
Vehicle application: 02-07 Subaru's w/180 rear diff (rear axle set)