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Side pipes inserts - from dougs headers, not sure what kind of insert ive been supplied tho, there internal diameter is 2.5 inch, are these glass packed or ??, what type are they?
also can you use the inserts, in a different flow direction, so gases flow over the fins, rather then into them??
planning big bhp with vette, so just trying to work out weather these inserts are going to affect horse power etc
Last edited by corvettedave383; Sep 21, 2014 at 04:52 PM.
i have 2.5" sweet thunders and they work well, i get lots of good comments from people. they do have a kind of fluttering sound at low r.p.m's so i don't leave it there long. very happy with them.
i have 2.5" sweet thunders and they work well, i get lots of good comments from people. they do have a kind of fluttering sound at low r.p.m's so i don't leave it there long. very happy with them.