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Just curious but what size outlet are these. They look like the 1 1/2". they sell both the 11/2 and a 2 1/2...
[email protected]
Well-Known Member
Those are 1.5"
The stock UFO cap is 2.5".
The SBD endcaps are 1.5".
I've got one of each for my UFO 4-1. It does make a bit of a difference. Still loud as fook! I keep the 2.5" cap on and the packing was changed from the SS wool to fiberglass mat. That made more difference than the cap.
The stock UFO cap is 2.5".
The SBD endcaps are 1.5".
I've got one of each for my UFO 4-1. It does make a bit of a difference. Still loud as fook! I keep the 2.5" cap on and the packing was changed from the SS wool to fiberglass mat. That made more difference than the cap.
Goran vmax
New Member
How did you change the packing ?
