TNT v3 chamber *COMP Stinger*

My understanding is that the ID is the same as the regular one. The COMP stinger works by extending into the body of the pipe trapping more exhaust gases like a minnow trap. Hopefully that helps explain it.
 
For what it's worth, my non-comp stinger TNT v3 has a nominal OD of 2", and the wall thickness is just whatever the stainless sheet metal is, so ID like 1.9" roughly-ish 48mm. There is no second inner tube on the stinger like on a PFP.

My understanding from talking to Tim about it (briefly) is that the comp stinger is the same diameter it just extends into the belly of the pipe a bit.

So it's a big stinger diameter, comparable to unmodified B-pipe.
 
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