slip-on pipe for 1200GS

[Maya]

hi all. I want to fit a aftermarket slip-on pipe for my 1200GS. my previous bike was a Africa Twin fitted with a Scorch pipe...had a awesome sound!
what would you recommend for a 1200GS? limited budget...don't think I can afford the Akro unit

 

[Iron Shark]

 

[michnus]

 

[Chrisl]