Tried a seach and couldn't find much information. Does anyone have an application for each of these? Did the k04-20 come on the 225tt looks similar to the pics on the "TT K04 Kit for the GTI/Jetta 1.8t" on this forum.
Here's a bump for you steeda. I've been wanting to know this also . There are also K04-016 and the ellusive RSi K04, which I don't know their differences. I know one of these is the 'much regarded' K04 "sport", but don't know whcih
K04-001 and K04-020 are both for transverse-engined applications and require different exhaust manifolds (bolt pattern differences for each turbine housing). K04-001 will bolt directly to OE Golf/Jetta 1.8T exhaust manifold; K04-020 will not without changing manifold and other expensive downstream components (parallel cats anyone?
K04-15 is for Audi A4 and Passats (longitudinal engine).
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