Muffler Break-in Period?

[jimbo74]

hey guys i searched under various topics but didnt find anything...is there a breakin period for a new muffler. my new flow 40 sounds a little louder today than yesterday. is that a sign that it is breaking in? or am i full of b/s and mufflers dont breakin? also it doent smell like welds as bad as it did yesterday

 

[Robert]

No it shouldn't need to be broken in. Likely you have a clamp that has loosened up or settled. Retighten the clamp unless you like the extra loud sounds it provides. The clamps on my Borla loosened up a bit after I installed it. Once I tightened them it sounds much better now. The smell will go away after a few days to a few weeks.

 

[jimbo74]

nope, no clamps... the louder sound is flowmaster and not an exhaust leak. trust me i have had them before my system is welded on...someone told me that they have a kinda adjusting to being used period though and it sounds a lot better today maybe its me :smoke:

 

[Alec]

The sound of your exhaust will also change with the weather, maybe the weather was really different between the days?

 

[jimbo74]

hey alec, it has been sunny both days and around 70+ degrees. so does the muffler have a breakin period or no?

 

[JDraper]

Naw, muffler's don't have a break in period. The only ones I have ever heard of being 'broken in' was the old Thrush glasspacks and that was more like waiting for the glass to fuse so they were basically straightpipes.

 

[jimbo74]

cool thanks jdraper

 

[CHH777]

No break in period for a muffler? What about seating the muffler bearings?

 

[JDraper]

Oh yeah, forgot about that. You also have to make sure to top it off with coolant so it doesn't overheat.

 

[jimbo74]

Very funny guys, i my question was a real question tho, hahaha lol

 

[Paul Gagnon]

when mufflers get louder it is usually because they are failing.

 

[jimbo74]

maybe i am just getting used to hearing it
it is actually a lot louder than i thought. i like it