So...how can you make your K20 sound like this

[s2kseven]

https://www.youtube.com/watch?v=5dhbOzCCVFk

[McFred]

Run a straight exhaust pipe, ~5" clutch, a 2500 rpm idle on large cams then rev it to 9000 rpm and shift gears through a $25,000 close ratio dog box shifting with an ignition cut at full throttle. That will get you close.