From the sound sample I processed into a spectral representation, the SLP is going to be loud, is going to drone like a M-F'er, and not just a bassy drone, but a ear-ringing hum that happens an octave higher than numerous other popular exhaust brands I analyzed. Most notably, it's got a lot more "stuff" going on in the upper range sound, beyond just the bass throb. You can see in the video how it actually startled the camera guy with a jolt when the driver rev'd it the 2nd time (I think). 
I don't have personal impressions on the setup, but the "RTA-view" suggests to me is that this is the sort of exhaust you get to announce to the hills your v8 bellow with 100% intent and pummel you with sound during your whole trip.
Some people want that, but others may find it waaaaaay over the top for what they were seeking. 
(My pictures aren't showing up on the screen, are they?
I'm experiencing this for the first time looking at the site on a different computer.)
EDIT: Try downloading directly by pasting these links in a different browser window:
https://docs.google.com/leaf?id=0B_...YmE3YWEzZmU4MzVl&sort=name&layout=list&num=50
https://docs.google.com/leaf?id=0B_33CyWx0B7_ZDIyZjQ4ZTYtMGM2Yi00MDk4LTk2Y2ItNTQyYjIwMTEyMTFi&sort=name&layout=list&num=50
EDIT 2: I see what is happening now, and it is pretty ***, I mean "of the nature of effeminate, when one calls for a manly measure"! Basically, you have to have a Google Gmail account cookie in your browser, or it won't work. It should work, because that would be the implied meaning of "can be accessed with anybody with the link", but evidently it is only with other gmail users, which completely self-defeats the purpose of "easy collaboration of documents with online users" if everybody you want to collaborate with needs to also have a gmail account...or maybe they just have a gimped implementation for hotlinking pics for use in forum discussions?
Google BAD, VERY BAD, today!
EDIT 3: I should have just done it the old-fashioned way from the start, but I had forgotten I could do it this way:
I don't have personal impressions on the setup, but the "RTA-view" suggests to me is that this is the sort of exhaust you get to announce to the hills your v8 bellow with 100% intent and pummel you with sound during your whole trip.
(My pictures aren't showing up on the screen, are they?
EDIT: Try downloading directly by pasting these links in a different browser window:
https://docs.google.com/leaf?id=0B_...YmE3YWEzZmU4MzVl&sort=name&layout=list&num=50
https://docs.google.com/leaf?id=0B_33CyWx0B7_ZDIyZjQ4ZTYtMGM2Yi00MDk4LTk2Y2ItNTQyYjIwMTEyMTFi&sort=name&layout=list&num=50
EDIT 2: I see what is happening now, and it is pretty ***, I mean "of the nature of effeminate, when one calls for a manly measure"! Basically, you have to have a Google Gmail account cookie in your browser, or it won't work. It should work, because that would be the implied meaning of "can be accessed with anybody with the link", but evidently it is only with other gmail users, which completely self-defeats the purpose of "easy collaboration of documents with online users" if everybody you want to collaborate with needs to also have a gmail account...or maybe they just have a gimped implementation for hotlinking pics for use in forum discussions?
Google BAD, VERY BAD, today!
EDIT 3: I should have just done it the old-fashioned way from the start, but I had forgotten I could do it this way: