So I thought I would mod my exhaust Pt 1 Warning lots of pics. - Kawasaki KLR 650 Forum
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post #1 of 1 Old 10-26-2012, 12:44 AM Thread Starter
1st Gear
Join Date: May 2012
Location: Adelaide - South Australia
Posts: 42
So I thought I would mod my exhaust Pt 1 Warning lots of pics.

I looked at the exhaust mod thread and thought this will be easy.

Now either the muffler design has changed or the Australian model has a different muffler because the “insert” is very different and is welded in, there is no easy way of getting it out, none the less I got it done and am quite happy with the job.

OK first up I tried a brand new no name hole-saw but that would not touch it, wasn’t going to fork out for a good HSS one so I had to do it the slow way.

Once I got all the holes drilled I used some small side cutters to finish the cut, this is when I found there was no wiggling the insert out.

I had to do the same drill / snip process to cut around the outlet pipe to get a better look and discovered it is all welded in for sure. I had to use a die grinder to thin the wall of the outlet pipe until I could break off the tip.

Then neatened the hole up and moved on to making up some sort of outlet tip.

Now luckily I have a little lathe at home so that made this a whole lot easier. Found some 3.2mm (1/8) aluminium plate and a piece of roughly 40mm (1.5”) diameter pipe with a nice flare on the end of it, perfect. So I spun up a backing plate and formed it to match the back of the muffler.

Next I had to insert the pipe, I thought I will turn a shoulder on it and press it into the backing plate with about 3mm hanging out the back.

Please see Pt 2

Last edited by 270win; 10-26-2012 at 12:52 AM.
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