OEM //M silencer mod

I used 60.3mm O/D T304 with a 1.5mm wall thickness (57.3mm I/D) and then T304 Perforated tube which had a 60.5 I/D, however I didn't use radius bends instead I mitered the bends as shown below:
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couchflyer said:
Interesting, did you seal the openings where you cut the tubs from the muffler?
Thanks
Click to expand...
No, I didn't think it was necessary as exhaust gases entering the muffler chamber would always take the path of least resistance and given that the lagging would be repacked around the new pipework then the exhaust gases would naturally want to flow through the pipe and not out of it. I've been using the modified boxes for a few months now and the sound/performance is a vast improvement over the original set up.
 
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