Here's a couple suggestions.
Vance and Hines short shots.
Form there race shop, the outlaw series.
And from storz made by BUB for them, a cool 2 into 2.

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I'm Just Sayin'...
2007 FLHT 96 CID W/IDS drive
K&N Air filter system
Vance & Hines Pro Pipe BP & FuelPak.
GMR Roller rockers.
Crane adjustable pushrods.
93.25 Torque 78.74 HP
Member DooF Clenas , and proud of it.
Professional Rockat Surgen
Disclaimer.
I do not work for Vance and Hines, I just like there stuff. Any suggestions I make are to be use at your own risk.