Originally Posted by Alekshop
Today we did side-by-side comparison of Slip-On and Evolution systems. You can definitely hear the difference, but it is not much louder.
Stay tuned for a video clip
You mentioned the Slip-on passed the dB test @ Laguna Seca. Did the Evo system? I am still undecided on an exhaust btw, I may delay the purchase for a while...just FYI.