Why is white smoke coming out from the muffler

Smoke from your exhaust especially with a cold engine can be normal condensation. If it is billowing white smoke with a sweet smell, then you may have it coolant leak inside the engine. This is doubtful but possible. If it's blue smoke, it could be oil consumption related. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops