So Confused, MPI 180 or 190?

Most guy s are placing them after the turbo in the bend of the muffler. I think that is where mpi moved the bung on the trail turbo kit
 
I thought MPI had an extension of pipe that they included that had two bungs installed on it, and the afr accessory bung was right next to the stock bung.
 
Mpi does he asked about other than mpi and I think on the trail units they moved it after the turbo but I could be wrong mine is a stage I which is different than the Yamaha approved trail kit
 
Mpi does he asked about other than mpi and I think on the trail units they moved it after the turbo but I could be wrong mine is a stage I which is different than the Yamaha approved trail kit
you're still just talking to me. lol
 


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