Haldex Performance Controller - Start making your bookings! | Audi TT Forum
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Haldex tuning ECU kit Gen IV, Switchable modes for Passat, Tiquan - Ramtech
Reviewing Haldex BLUE Controller - Is it any good? - YouTube
Euro Touch Tuning - Are you interested in a Haldex controller for your VW/Audi? Look no further. We've got you covered. Gen 2 Blue - 2006-08.5 Audi A3(8P) Quattro, 2008-08.5 TT(8J) Quattro,