MTC (Max Torque Cans), a U.K. company, has slipon exhausts available for the mighty H2SX.
You can pick from a myriad of outlet, shape, material, and color options to suit your needs and taste.
They also have various Ebay stores set up for the H2SX. Here are a couple…
Prices for the H2SX version hover around $300 (U.S.), but will vary depending on choices, and remember to take into account shipping from the U.K. to wherever you may be located.