I modified the XV250 exhaust by cutting the lower muffler about 13mm or 1/2 inch after the back cylinder pipe junction, cutting the top muffler at 273mm or 10 ¾ inches, and then joining the two together, so I no longer use the middle section of the muffler assembly – which reduces weight by 2.09kg (4.6 lbs) plus I leave off the rear chrome non-functional pipe which weighs 0.45kg (1.0 lb). (Note: if you do this mod, I would recommend cutting the lower muffler at 19mm or 3/4 inch or more after the back cylinder pipe
junction (see red mark in picture). This makes cleanup of the pipe more difficult, as you have to grind away a small part of the resonance chamber, but it will make attaching a muffler much easier.)
I doubled the size of the aftermarket baffle and it improved the tone to where I don’t mind it, but it seems to sound “harder” than the stock muffler, whereas the stock gutted muffler assembly had a smoother, more powerful, more pleasant sound – at 65 to 70, the sound reminded me of a Moto Guzzi.
It still sounds “good” – but the stock muffler sounded better.
I will probably try a bigger muffler, and see if I can get it to sound better. ———
Please see my later post – http://wp.me/p1LWaM-2T The cheap Virago 250 “2-to-1” exhaust mod Part II – you need one used Supertrapp muffler – reduces exhaust system weight from 6.2kg (13.6 pounds) to 4.3 kg (9.5 pounds) -Les S.