Purchased a 2003 WRX with a built Sti motor swap. Obviously the stock trans cannot handle it. My question is did they make an sti 5 speed? Can the internals be swapped? I found a trans from an 03 sti that is for parts only but the internals are good and all there. Aren't all sti's 6 speeds? Thanks for any info. We are somewhat new to this.