I believe one is for egr and the other is for the fuel pressure regulator.
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1989 5 speed turbo
Koyo radiator
Spearco intercooler
HKS bov
Greddy e-01 boost controller
245's all around
Slotted + drilled all around
3" straight piping turbo-back, 4" tip
Lowering springs
HKS mushroom air filter
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