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My Blueflame required tweaking the fuel map with TuneBoy, and it is best to tweak the map for the Supertrapp muffler also; however, the Supertrapp muffler can be tuned itself to where a remapping is not required--although you won't be letting the engine breathe as much as it would like. Not remapping defeats the purpose of an aftermarket, open muffler, as the lack of fuel doesn't allow the muffler's open design to work well with the engine. Of course, if you just want a louder, poorer running engine, a remap doesn't really matter.
There are no mass-produced aftermarket headers for the 600/650cc Triumph engine. I argue that the stock header has a good flow design to begin with. You could have an exhaust shop skilled in custom headers build you one, but that will probably be very expensive.
I should note that the Supertrapp mufflers do not bolt up to the oem muffler flange; you will need to either have someone tig weld a stainless steel flange onto the muffler, or you will need to cut off the oem flange and use the slip-on clamp ST provides.
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