No probs Ian,
When you start measuring temps around the place you will see why VW place the intake at the front.
On the TT 225 with an open pod style filter, when the fans kit in (1st & second) - the intake temps increase by about 7 degrees on each stage - so even measuring temps with & without aircon turned on makes quite a difference! The Polo is a similar setup but with 1/2 the room...
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