20-05-2016, 09:04 AM
I use my cheap and cheerful Nokia Lumia with Here Drive, I've downloaded all the maps so I use it in offline mode, works great, turn by turn voice instructions

Phase 1 D-Turdo, K14@24 psi, De-cat, meaty backbox, Bosch pump, grinded LDA pin, duel air fed K&N =133.7bhp & 188ft/lbs