Joined Sep 2017
595 Posts | 121+
Lansing Mi
Out with the old and in with the new. When I first bought my 821 I mounted a Shift-Tech slip on and link pipe as well as modified the OEM collector. I had always loved the look of the Spark.it high mount system and with patience there was recently a black friday sale for half off. I did not expect the sound to be much different just in a different place. I was wrong. The sound is deeper and now it's behind me as opposed to my turned up Shift-Tech (I like the look of it turned up so I felt with the sound firing at me). Now I can hear the intake sound which is new to me.
All in all the system is nice. There are fake provisioning a to mount your exhaust servo to prevent CEL. It's all tacked on and doesn't have anything that gos into the pipe. I removed my servo long ago so I cut the welds, removed the mount and smoothed it out. One thing that I will address over the winter than I'm not happy with , the collector. The cut out where the front cylinder hits the back cylinder has excess material inside the exhaust path. I will be taking a ball end carbide burr to it to smooth out the flow. The OEM tubing has 49mm OD. and jumps to 54mm at the Shift-Tech link pipe. The Spark tubing is 52mm OD before the headers come together then increase to 54mm OD where they meet and maintain 54mm all the way out. As for the weight, even though the Spark Force system has quite a bit more tubing it weighs slightly less than the modified OEM collector, Shift-Tech link pipe and Shift-Tech muffler(I'm talking a fraction of a pound difference). The bends measure a little larger bit it might be due to the stretching of metal. Anyways, here is the Spark.it Force 3/4 race exhaust (Spark, Spark it, Spark race exhaust). It is extremely difficult to find pics of this system on the regular guys hypermotard. Almost every pic I can find is their advertisement. Hope this makes it easier for people to find more detailed pics/info in the future. Other things to note, you can not use hyperstrada bags with this system, the passanger pegs from the RSV rearsets don't fit with this system(it's fine for me. I don't ever have passangers) but the OEM rearsets do work with this system. The upper mount is attached in a very clever location, a special bracket is provided and uses the 2 bolts under the right tail fairing that holds it to the subframe.
All in all the system is nice. There are fake provisioning a to mount your exhaust servo to prevent CEL. It's all tacked on and doesn't have anything that gos into the pipe. I removed my servo long ago so I cut the welds, removed the mount and smoothed it out. One thing that I will address over the winter than I'm not happy with , the collector. The cut out where the front cylinder hits the back cylinder has excess material inside the exhaust path. I will be taking a ball end carbide burr to it to smooth out the flow. The OEM tubing has 49mm OD. and jumps to 54mm at the Shift-Tech link pipe. The Spark tubing is 52mm OD before the headers come together then increase to 54mm OD where they meet and maintain 54mm all the way out. As for the weight, even though the Spark Force system has quite a bit more tubing it weighs slightly less than the modified OEM collector, Shift-Tech link pipe and Shift-Tech muffler(I'm talking a fraction of a pound difference). The bends measure a little larger bit it might be due to the stretching of metal. Anyways, here is the Spark.it Force 3/4 race exhaust (Spark, Spark it, Spark race exhaust). It is extremely difficult to find pics of this system on the regular guys hypermotard. Almost every pic I can find is their advertisement. Hope this makes it easier for people to find more detailed pics/info in the future. Other things to note, you can not use hyperstrada bags with this system, the passanger pegs from the RSV rearsets don't fit with this system(it's fine for me. I don't ever have passangers) but the OEM rearsets do work with this system. The upper mount is attached in a very clever location, a special bracket is provided and uses the 2 bolts under the right tail fairing that holds it to the subframe.
