> Dirty30 Dillon Wrote:
> -------------------------------------------------------
> I'm all for ad-hoc'ing, but the Simonini is like THE og hard and
> hi-hitting puch pipe. Sidebleeding only softens that hi peak hit to the
> point where it's flat.
>
> I honestly haven't really seen a huge reason to sidebleed anything. Of
> the dozens of pipes I have hanging on the wall, 0 are sidebled from the
> factory. Modern pipe manu's prefer to use a perforated secondary cone to
> achieve a wider, "dual" powerband but retain linear gas flow through the
> pipe.
>
> All of the hi-power, major manu scooter pipes I have use this.
pic of the perforated?