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M.Bailey · 09-18-2008, 05:11 PM

there is no break in on glass packs, the only mufflers that i know of that need break in are high end stainless mufllers because stainless warps so bad when it gets hot so you have to cycle it a few times.

09-18-2008, 05:11 PM	#17 (permalink)
M.Bailey wrenching skills Join Date: Aug 2008 Posts: 118 Thanks: 0 Thanked 1 Time in 1 Post iTrader Rating: (0/0% )	there is no break in on glass packs, the only mufflers that i know of that need break in are high end stainless mufllers because stainless warps so bad when it gets hot so you have to cycle it a few times.