Some sound clips of my 2009 Honda Civic Si at the tail of the dragon.
The k20 motor sounds awesome especially paired with the other mods on the car. The chirping noice you hear at certain points is the throttle body whistling at a certain position in the rev range.
Mod break down:
Enkei RPF1 17x7.5
Eiback springs and sway bars
Hasport motor mounts
Hondata Flashpro
hybrid racing cold air intake w/ battery relocated
J37 throttle body and ported stock manifold to match
Invidia header
Full race cat back exhaust

@TheGerbsteve