This axle-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a mild sound. The muffler has a polished finish for ultimate corrosion resistance. Finishing off this exhaust system are dual 4 IN diameter black 304 stainless steel clamp-on exhaust tips. The tips features a laser etched aFe POWER logo for a unique style. This system produces a mild sound unleashing all available horsepower and torque. Some cutting may be required, see instruction sheet for further information. Utilizing factory style hangers this system mounts directly to factory mounting locations for a hassle-free installation. This system incorporates a factory style exhaust valve which use the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.. MACH Force-Xp 3 to 2-1/2 IN Stainless Steel Axle-Back Exhaust w/Black Tip BMW X1 (F48) 15-22 L4-2.0L (t). aFe MACHForce XP Exhausts Axle-Back 15-21 BMW X1 2.0L (t) (SS w/Black Tips). MACH Force-Xp 3 to 2-1/2 IN Stainless Steel Axle-Back Exhaust w/Black Tip. Includes Factory Style Exhaust Valves (Using Factory Motor, Not Included). Constructed from 3 IN - 2-1/2 IN Mandrel-Bent 304 Stainless Steel Tubing. Dual 4 IN Diameter Black 304 Stainless Steel Clamp-On Exhaust Tips. Utilizes Factory Style Hangers for a Secure Fit. 100% MIG-Welded for Strength and Durability. MACH Force-Xp Axle-Back Exhaust System. Axle-Back Exhaust

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