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Hi guys and gals. Recently fitted a AS inlet plenum and just noticed a difference in ease of hitting boost. Before hand 3/4 boost would come easily but now it tends to hit half with ease then sits there until approx 4k revs, then picks up to 3/4 and just over. Is this normal? Current mods are downpipe/decat/cat back, airtec stage 1 cooler, group a filter, uprated recirc valve, stage 2 bluefin map, and AS plenum. Any feedback is always welcome. Due to Dyno it on Thursday to have a gander at figures/curves anyway
 

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I've noticed now with stage two and all the hardware how much easier the car builds speed. I can get away with using half throttle and half boost most of the time unless the urge grabs me.

This happens regularly......
 
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