I'M TRING TO FIND OUT THE SAME THING, I HAVE 07 ROAD KING SE, THE P
IPES ON MINE ARE 4" I LIKE THE LOOKS OF THE V&H CLASSIC THEY ARE 4" BUT ONLY HAVE THE TWO BAFFELS TO CHOOSE FROM. CHECK THIS WEBSITE OUt,
www.efiflex.com THEN CLICK ON RUSH MOTORCYCLE MUFFLERS. THEY ARE SLIP ONS BUT THEY OFFER 4 DIFFERENT BAFFELS AND THEY ARE 4" DIA. LIKE THE ONES ON MY RK SE. THINK THIS IS THE WAY I'M GOING, THEN INSTALL THE V&H FUEL PAK OR THE POWER COMMANDER.
LIVE EASY RIDE HARD
