The trio's music evolved from the rave and club scene, widening in scope to include traditional pop song structures.

inthemix.com.au said the release of "Spike" was "the turning point in their career" saying "the track perfectly encapsulated the group's reinvention of their sound into an unstoppable behemoth of dark, throbbing, techy filth, which came as a fresh, subtle alternative to the over-saturation of floaty, uplifting progressive house of the time.

[3] In April 2004, Infusion released the single "Girls Can Be Cruel", which received airplay on Australia's alternative music radio station, Triple J.

Xavier produces records under the pseudonym Francis Xavier on Australian label Motorik!, and is a member of their rotating deejay collective, The Motorik Vibe Council, alongside members of The Lost Valentinos, The Bang Gang Deejays and Dreems, in addition to production credits on a plethora of tracks including Flight Facilities' debut "Crave You".

On 16 November 2019, after a 7-year hiatus, Manuel Sharrad & Jamie Stevens performed in Melbourne under the Infusion banner, with long time friend and collaborator Phil K in place of Frank Xavier.