Break in is around 10 seconds after starting the car.
Really, there is no break in period. But after you do put about 3 or 4 hundred miles on the mufflers a lot of the tinny sound will almost go away. This is due to some carbon buidup inside of the mufflers.
2012-candy red- V-6 MCA, Automatic Trans. CFM Valve cover breather. MMD blackTail light trim.Magnaflow axle back street mufflers, JLT oil catch can.MMD hood struts.
Airaid Cold Air intake. red caliper covers, 3.7L performance engine cover, Flat black hood spears.Boss 302 strut brace, CDC rear panel, Trunk Cargo net,--Dash carpet cover,
Viser stickers to cover ugly yellow warning crap,Aluminum driveshafft and Swarr Bar.