Looking for a little more power and performance out of your 6.7 Powerstroke? Then check out the AFE 49-43065 Large Bore HD Dual 4" Filter-Back Exhaust. This great exhaust system is made of 100% hand MIG-welded stainless steel for superior durability and performance. It also uses high quality band clamps for a tight, secure fit. This filter-back exhaust system is designed to increase horsepower, torque and lower EGT's. So if you're looking for a little more out of your truck, be sure to check out the AFE 49-43065 Large Bore HD Dual 4" Filter-Back Exhaust!