Sweet looking bike! Do you have any pictures from behind? I am thinking about getting those cans, but I have the R&G tail tidy fitted and am a bit unsure if the indicators will fit with the hexacones. Thanks.
The quality of the sound is a subjective thing Fennell, all you can say is you like the sound of the twin hi pipes better.
I have CF Arrow half system on my 06 speedy (twin pipes) and recently I, and a mate had our bikes tuned on a dyno by Wayne MacDonald (Tuneboy) in Sydney. He got a really good result with mine (about a 9hp gain). My mate has an old 05 thats done over 100,000km, and he has a very short, homemade cut down dirt bike pipe on his bike that is not much longer than a CW. His bike produced more power and torque through the whole rev range (except for the last 200 revs before redline where mine slipped past with about 0.2bhp more.) So I don't think you can make a claim that twin high pipes produce more power and torque in the low to mid range. That was where the old 05 was strongest.
Back and Side shot of the Carbon Fiber on a 2011 Black S3
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The MF'r -- Cape Canaveral, FL
Current Bikes:
2011 Speed Triple -- Black
2012 R1200GSA -- Triple Black
2013 HD Iron 883 Sportster -- Denim Black