Where and what sort of power commander do you have?

[TheShredder]

If you don't like the backfiring Trix, just pop something down the Pair feeder tube from the airbox to block off the air induction into the exhaust.
A lot cheaper than a PC but not good for the environment.

Otherwise it could be tuned with just a Yoshi box to suit the new pipe.

+ 1 pair should have been removed
when did ya get a yoshi?
is it a full system or slip on cans?

shane