Husqvarna 572 XP G Stock vs Ported

572 XP G with 28" Tsumura Bar & Oregon Full Comp Chain Cutting 20" White Pine
Ported, Polished & 3° Timing Advance by IPS
SFP Muffler
Full Wrap Handle
WCS Dogs
RedBeard Foam Air Filter
Decompression Valve Delete
Average times go as following:
Stock-18.6s
Stock SFP Muffler-17.1s
Ported w/ SFP Muffler 7 Pin Sprocket-12.98s
Ported w/ SFP Muffler 8 Pin Sprocket-13.6s (8 Pin definitely doesn't hold the RPM like the 7 pin does with this chain/bar setup)
Just Built two of these-1 is For Sale if interested