Question about intake manifold and block ports on an S4...
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Question about intake manifold and block ports on an S4...
On the S4 manifolds and blocks there are these two little triangular-ish shaped ports on either side...what are they for?
I installed an S5 intake assembly on my S4 and was wondering if they were left to pull vacume or what because the S5 doesn't have these ports...
I installed an S5 intake assembly on my S4 and was wondering if they were left to pull vacume or what because the S5 doesn't have these ports...
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