What did you end up within the end? I'm looking to do the same but didn't know you had to replace the whole system, only after reading this post. Was hoping I wouldn't have to fork out for a full system as I only want to open up the grumble a little.Hello, new rider with my first bike, a 2018 XSR700. Making a few (mostly cosmetic) mods to it, and am looking at the Purpose Built Moto Torpedo slip-on muffler. What size do I need? What is the diameter of the headers? Thanks!
I think this is what I would go for if I lived in the USA. Sadly as a UK resident, the import tax and shipping costs make this a relatively expensive proposition… could have pulled the trigger when it was on sale a few months back, but was still assessing my options!http://www.broguemotorcycles.com/xsr700-parts/xsr700-scustom-exhaust-system-spitfire-stainless
this looks to match the style you're going for.