Listing is for 1 ported muffler (some pictures show 3 mufflers) that is only for you to see all angles of what the mufflers look like. Order as many as you would like. 54.99$ each. THANKS! 

EPA APPROVED DUAL PORTED EXHAUST!

Brand New - High Quality - Aftermarket -FOR STIHL 029 039 MS290 MS310 MS390 EXHAUST/MUFFLER BOLTS & GASKET
 
Fits:
Stihl 029 039 MS290 MS310 MS390

Exhaust/muffler complete with bolts/nut and gasket
 
Package includes:
1x Dual Ported Exhaust Muffler
1x Cover
1x Bolt
2x Gaskets
3x Screws
 
You will receive exactly what you see on the picture