Originally posted by M249SAW
Your 2001 RS uses a different tpe of injector than the current WRX. The GC used a sidemount injector where the GD uses a topmount (except the STi whis is a sidemount)
partially true....i believe 98-99 use sidemount. 00-01 use top mount. i thought the wrx used side mount? i had to replace my injectors....many many times, buuut wrx, and 99 RS ones wouldn't work.