Pretty sure it's poor boost control but don't have a gauge in the car yet to see what's happening. Have got my eye on a genuine Lamco/Subaru item but it's a bit pricey. There's not really any subtle gauge pods for the forester and I want to keep it as std as possible (well on the surface anyway!).
All boost pipework looks OE to me and no obvious splits, also feels like the restrictor is still there as well. The recirculating valve looks OE to me but it has two vac take offs which I'm not sure I've seen before?
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2005 Spec B 6MT - KiDO tuned (~270Bhp)
Custom exhaust - Cosworth filter - Samco Intake - Tints - Bilstein B8/B6 & STI springs - SuperPro ALK - Whiteline positive shift kit, rack mounts, rear adjustable camber bushes, front ARB mounts & strut brace, 20mm rear ARB with AVO mounts, - Hardrace Gearbox and pitch mounts - Prodrive PFF7's - Front Brembos - Kenwood CarPlay - 1/2 carbon grille - STI front splitter
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