« Reply #4 on: 05 July 2012, 23:58 »
I'd advise against a CAI...
They do sound good but the amount of dirt on them after only a few months is a fair amount and always the possibility of sucking in water. Stick with the standard airbox and if need sound drill some holes in the bottom part or a decent dry induction cone with a good air feed which doesn't need oiling preventing damaging the to mass air flow sensor.

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2003 1.8T GTI 180 - APR Stage I, S2000 Filter, R-Tech Supersize TIP, Bilstein B12 Suspension, 18" OZ Superleggera, Recaro Heated Leathers, US Spec Rear Lights, N249/SAI/PCV Delete
1.8T AUQ - 241bhp & 286 ft-lb
R-Tech Map, Forge FMIC, SFS Oversized TIP, Ported Manifold, Milltek Turboback non res exhaust, Forge 007p, N249 & N112 delete, SAI delete, S2000 Air Filter, Sachs clutch & Lightweight Flywheel