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2002flstc
02-19-2008, 10:30 AM
I have a set of 128-78030 slip on mufflers and there is a problem with the right muffler... it will not slip on far enough to allow the mounting holes to align up with the support bracket.... it needs to slip on another 3/8 of an inch... I have OEM header pipes on the bike... HELP

bschultz
02-19-2008, 03:40 PM
Check the inside of the inlet for burrs at the relief cuts.

2002flstc
02-19-2008, 04:16 PM
Check the inside of the inlet for burrs at the relief cuts.

I have checked it very carefully... it slips on very easy... the problem as I see it is that the baffle tube is hitting the end of my header pipe. Can the baffle tube be shortened by cutting ???

bschultz
02-19-2008, 04:26 PM
Is the core assembly nut holes lined up with the muffler body holes (end cap holes)?

2002flstc
02-19-2008, 05:55 PM
Yes the baffle is lined up correctly and the cap head screw is in place holding the baffle.

bschultz
02-20-2008, 08:02 AM
The muffler inlet should have 1.5" of engagement. If there is not at least 1.5", pull the core assembly. The core locator (inlet) is a slip fit, (It should come off the core). Tap the inlet end on the floor to see if the core locator will slip onto the perf tube the 3/8-1/2" you need. If this does not work, you can pull the core locator and cut the perf tube the 3/8" and then refit the core locator.
This is pretty unusual, we can always process a warranty if all else fails or if you simply don't want to get that involved.

2002flstc
02-20-2008, 11:37 AM
Muffler inlet has 1 3/8" of clearance..

Before we go any further... let me back up a bit as you seem to be discribing something other than what I have...

you said
core assembly nut holes
on my muffler body there is only one hole for the core and one for the tip...

you said
The core locator (inlet) is a slip fit, (It should come off the core).
There does not appear to be a separate "locator", the core I have is one piece. (I can post images if necessary)

Perhaps I made a serious blunder.... The number that I first gave you was from the supertrapp website as the v-twin page that I actually ordered from was unavailble yesterday...

The product number on the box... 628-78056

bschultz
02-20-2008, 04:29 PM
That is an Internal disc series and the core/perf tube should measure 17.7".
Contact our warranty departmment in the morning at 216-265-8400.