Ok i drilled 12 holes in the outer walls of my baffles then used an extention and drilled a couple holes in the inner wall. Went to my moms and rode with her for a couple hours.(finaly got her to ride the hawk she is a die hard harley woman). When i got back home a guy pulled up in my driveway and asked what that thing is? Said it sounds "mean" not like all the other crotchrockets. Turns out the guy is pres of a local club and invited me to ride with them some time. I have to admit it does sound alot better than stock.

 

any well built, higher reving v twin will sound better than any Harley.

VRRROOOOMMMM > potatopotatopotato

 

I joke with her that she is easy to follow all i have to do is follow the oil drops on the road. lol

 

LOL sounds about right.

No bullshit, I've seen more Harleys on the side of the road with issues than your typical sportbike or metric cruiser.

But to be fair, if the riders are'nt posing, the majority of the sportbikes I see on the side of the road, are laying side or being pulled out of ditch lol.

 

Yup these things have a nasty sound to them. I remember when I drilled my stock cans I did 4 holes. It sounded puffy. So I did 4 more and the sound finally got to where I wanted it to be

 

Agreed. The bafflectomy is the single coolest FREE mod you can do. I couldnt believe how good it actually sounded.

 

OK when you all refer to a "bafflectomy" first I have to giggle just a bit, than question how you do it. I bought my bike used and it has a set of slip ons, but no name, stickers, stamps etc to tell me if they are stock or not. Not the front's and end caps are riveted together so I assume they are stock. So when you are talking about drilling the baffles, do yo udrill out the rivets first?

 

if you find rivits on your cans, i'm 120% positive that's not stock on any bike that i have ever seen. Please correct me if i'm wrong.
On stock SH cans you'd be able to drill from the back on the outside of the small exhaust tube but on the inside of the main chrome body shell.
Here is a pick with stock cans

 

Very cool, than my question is I found the posts about doing a baffle..., the exhaust that is on there is not very impressive, can I do the same thing to an aftermarket can?

 

I have a set of stock cans that have been baffleized that are taking up space. PM me if you want them, they will go cheap. They look pretty new otherwise. JB

 

The stock cans are three different lenght pipes making a labyrinth in a big outer pipe... That very effectively kills all wavelenght noise as it cannot escape the labyrinth without having been bounced around many times...

The good part is low noise and exact backpressure... The bad part is high backpressure and restricted airflow...

An aftermarket can is in 90% of the applications a perforated tube wrapped in dampening wool in an larger outer tube... This means a straight pipe through for the air to flow in... The sound goes out through the perforation and bounces on the outer pipe, passing through the wool and is dampened that way... Totaly different theory from stock...

The advantage is high airflow, low backpressure which is good for performance... The bad part, some of the frequencies go straight through instead of bouncing around... And it might make it harder to tune the bike exact as the backpressure is less exact at different revs than a baffle type exhaust...

I have not to date seen a stock exhaust that was riveted together... All I have seen is welded and contains nothing that you are supposed to be able to fix or meddle with yourself... So if your pipes have rivets it's almost certainly an aftermarket of some type... And if it has a big port with a long open tube visible it's not a baffle type... And then the above trick is useless...

 

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