Sorry, I'm not good at computer-related items & wouldn't even know where to begin as far as sound files
Many know that I'm notoriously lax in getting to photos as well, but I'll try to get the OL to take photos with the digicam in the near future.
Soundwise.......I'm very content with 'em. They don't sound like a "Harley" or even like a Triumph with straight pipes, but they definitely have a "chopper" sound, not chintzey. One guy sharing a lane described 'em as sounding like a Cesna.
They're definitely louder than stock, but not what many would consider obnoxious (speaking only for myself, pipes can't be too loud for my taste.

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Edit: HotShott & All, You're entitled to an explaination as I've encountered requests for photos many times in the past. Just want to attempt to offer an overview in regards to this. A lot of folks are into computers & know how to utilize the various tools, which is great, but technology has far surpassed my basic understanding. When my profile says "Full-time Scooter Tramp", that's exactly what I am. Had done quite a few mods on the 250 Rebel & literally didn't get even ONE photo of that bike before I sold it (still kickin' myself for that one) Can use the boards, can do E-mail, can sometimes even post links, LOL!, but beyond that, I'm at a clear disadvantage.
I don't own a cell phone, don't know how to use a cell phone, don't know how to use a digicam, don't know anything about iPods other than that they store a lot of music.
When I'm in the shop, my focus is on wrenchin' & computers aren't even on my mind at that point in time. This means that I have to rely on the OL to take pics & then it's a matter of it fitting into her schedule.
Have done a few mods on this 450 & I WILL get the OL to take some pics of all of them. But I'll have to coordinate that with her & get 'em all done at once & THEN, have to have her get them on the computer so's they can be posted. Patience is much appreciated in this case
Sorry for the long-winded edit, but this comes up all the time & felt a need to explain in the hopes of offerring understanding.
Ride Safe........