Are you referring to the charcoal canister that lives in front of the right front wheel? Why get rid of it? It's part of the evapourative emmissions and stops pressure build up in the fuel tank. They don't effect performance either.
Read Greg's article on the Bosch Motronic for the hose that go's into the cabbin. It should help out (I think

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Motronic
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Don't worry what other people think, they don't do it very often.
Alfa 75 Potenziata
Supercharged AW11 MR2 (soon to be twincharged

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RB20DET S13 Silvia