I got a k & n air filter on my 98 1.8 and it didn't make any difference in performance or in sound so if i were you i would just spend some money in buying a short ram and that will give you a small amount of performance gains but will make a big difference in the way your car sounds, you will then be able to hear the turbo and the induction sound
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High performance ECU chip,K & N air filter,After market clear headlights and turn signals, Dual chrome exhaust tips, S4 steering wheel, Boost gauge, Debadged grill
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