I was happy with mine for a few years but on the forged 2.5 it couldn't quite cope with the volume of air/oil at high boost, also as I didn't do enough mileage or distance at high temps there was too much condensation in the pipes so the oil vapour was emulsifying in the lines and in theory going back into the sump so I went VTA. It will keep your inlet clean but I'm not sure you want the crap in the breathers back in the block.
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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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