I found an extremely fast, easy method for coring S2R, S2R-1000, S4R, and S4RS pipes! It eliminates the first few steps of the "old" procedure and it's so easy it's scary. Here it is:
Step 1: Use a chop-saw (don't be scared) to cut the endcaps off about 3/8" past the visible portion of the encap. (About 1/2 way between the beginning of the aluminum sleeve and the "D" in Ducati stamped onto the cans.) What you are doing is leaving enough of the unseen portion of the endcap flange inside to insure a snug fit and to accomodate rivets when you reattach them. The endcap, internal plate, and main muffler body all separate and fall right into your hands!
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Step 2: Slide off the aluminum skins. (I painted mine black with high-temp while they were off, and it looks AWESOME on my silver and black S2R!)
Step 3: Use a Dremel and cut-off wheels to cut off the pipe (previously exiting the can through the exhaust tip) as far down as possible.
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Step 4: Use a file or deburring wheel on your Dremel to clean up the edges where the chopsaw made the cut. Slide everything back together.
Step 5: Drill and rivet the endcaps back on.
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![Image]()
That's it! I pulled my mufflers off at 8:00 a.m. this morning and was riding my much better sounding Monster by 9:30 and most of that time was killed by waiting for multiple coats of high-temp paint to dry enough to handle. The actual work time was about 45 minutes. Honest.
TECH NOTE: This procedure shortens the cans by 1/2 inch, which is really tough to notice, even if you are looking for it. It also enables you to leave the endcap as-is with the inner pipe and ring still intact, which I personally prefer. It looks totally stock, and there is no need to use paint (or exhaust soot, eventually) to disguise the ugly gaping hole in the endcap with the three pipes inside. Sure, I guess it's technically more restrictive, but the end result is still a huge improvement in sound quality and is far less restrictive than the stock E3 compliant cans. And, if you prefer, you could easily cut off the inner weld and punch them out if you wanted to, as they are now totally accessible and there is no need to try and finesse your Dremel from the outside in.
They sound soooooooo good, deep and rumbly, without being obnoxious. And the best thing about it is, it's even easier than it sounds--as opposed the old way, this mod practically does itself!
And now my friends, it's wheelie time! [thumbsup]
Step 1: Use a chop-saw (don't be scared) to cut the endcaps off about 3/8" past the visible portion of the encap. (About 1/2 way between the beginning of the aluminum sleeve and the "D" in Ducati stamped onto the cans.) What you are doing is leaving enough of the unseen portion of the endcap flange inside to insure a snug fit and to accomodate rivets when you reattach them. The endcap, internal plate, and main muffler body all separate and fall right into your hands!
Step 2: Slide off the aluminum skins. (I painted mine black with high-temp while they were off, and it looks AWESOME on my silver and black S2R!)
Step 3: Use a Dremel and cut-off wheels to cut off the pipe (previously exiting the can through the exhaust tip) as far down as possible.
Step 4: Use a file or deburring wheel on your Dremel to clean up the edges where the chopsaw made the cut. Slide everything back together.
Step 5: Drill and rivet the endcaps back on.
That's it! I pulled my mufflers off at 8:00 a.m. this morning and was riding my much better sounding Monster by 9:30 and most of that time was killed by waiting for multiple coats of high-temp paint to dry enough to handle. The actual work time was about 45 minutes. Honest.
TECH NOTE: This procedure shortens the cans by 1/2 inch, which is really tough to notice, even if you are looking for it. It also enables you to leave the endcap as-is with the inner pipe and ring still intact, which I personally prefer. It looks totally stock, and there is no need to use paint (or exhaust soot, eventually) to disguise the ugly gaping hole in the endcap with the three pipes inside. Sure, I guess it's technically more restrictive, but the end result is still a huge improvement in sound quality and is far less restrictive than the stock E3 compliant cans. And, if you prefer, you could easily cut off the inner weld and punch them out if you wanted to, as they are now totally accessible and there is no need to try and finesse your Dremel from the outside in.
They sound soooooooo good, deep and rumbly, without being obnoxious. And the best thing about it is, it's even easier than it sounds--as opposed the old way, this mod practically does itself!
And now my friends, it's wheelie time! [thumbsup]
You should get a cat replacement mid-pipe in there though dude. 
