Exhaust is a bit quiet, slightly louder than stock but does have a nicer tone. Not what I'd expect from an aftermarket so might take out the db killer. Have noticed a smell of burning which I find concerning. Doesn't smell like it's from the inside smelling the back of the exhaust. It's not near the engine either, is different to the smell of pushing the bike hard, and getting that burnt oil aroma.
I wonder if it's the rubber grip around the metal, or the rubber bit that connects the two parts? Might try tightening the clamp. Hopefully it's not something like plastic stuck inside burning...
Mufflers have packing inside of them made of various materials. It's probably just it settling in, needs a few good heat cycles for all of that to go away. It's also a bit more opened up than a stock exhaust (obviously) so you could just be smelling what the bike normally dissipates from the stock exhaust.
I have a Yoshimura Alpha Signature that was barely louder than stock and with the baffle out it was just right.
Got feedback from the seller - advised it's the 'burn in' period.
I'm afraid to take the baffle out, as last time I did with a yoshi pipe either the baffle or the exhaust expanded making it a pain to put back in. As in physically impossible. My yoshi on my old bike went from ok to bleeding ears loud... After I put the baffle back in (after a run through a lathe) was still a bit excessive.