Ford Mustang 15-17 I4-2.3L (t) & V6-3.7L Part Number: 49-43085-P Constructed out of 2-1/2" mandrel-bent stainless steel tubing for unrestricted flow Includes dual, high-flow mufflers Includes 4" Dia. dual, double wall, polished, 304 stainless steel tips with laser etched aFe power logo 100% MIG-welded construction ensures optimal strength and durability aFe is proud to introduce an all new Mach Force-Xp axle-back exhaust system for the 2015-2017 Ford Mustang with the I4-2.3L (t) EcoBoost &am