The aFe MACH Force XP axle-back exhaust for 2005–2009 Ford Mustang V6 (4.0L) is a direct-fit system designed to increase flow and tone. Constructed from 2.5" mandrel-bent 409 stainless with a high-flow muffler and a 3.5" rolled-edge 304 stainless tip, it bolts to factory hangers with no modifications. Testing showed measurable horsepower and torque gains across the powerband.
aFe Axle-Back Exhaust 2.5in 409SS w/Polished Tip 05-09 Ford Mustang V6 4.0L