Exhaust for Yamaha '84 XJ900

[Warr]

Bike mechanic says I'd get better midrange torque out of a set of 'Tri Y headers' (4 into 2 into 1)
Presently have 4 into 1's on it.
Does anyone have any ideas on
1. Where to find
2. Cost
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WarrenN XJ900

[FROSTY:Me]

short answer dude-youll hafta get em made.
I agree with mechanic BTW. -If ya can -get a stock set of headers and go back to 4 into 2 setup.
Ohh--Ive got ya front springs