whats goin on im Ed and i just joined this site... i have a 1999 a4 1.8t quattro with some goodies...i joined because well i love audis and i need a lil bit of help wit software options and ideas.

first off list of goodies
lowered 5"
18 inch rims
purple hids
debadged
550 cc injectors
a Garett GTRW3071 turbo, with external waste gate...
greddy type-s blow off valve which i know is bad i need a divertor valve...
it has a god speed front mount...i was told i was gonna need heads if i were to really tune that turbo...it has stock computer and i need some kind of software for it...and a dyno tune...with the big turbo what software would i need? im looking to not bend valves in my heads but get as much power as i can untill i can get head work and retune it...or do i really need head work?

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Welcome to the forums.

You would get more responses if you post under the A4 > B5 section elsewhere on these forums.