Unleash power and sound while improving the looks on your Z4 M Coupe with this MACH Force-Xp 2-1/2" 304 stainless steel cat back system. The larger diameter, mandrel bent tubing along with high-flow, stainless steel mufflers are less restricting for maximum flow, optimum sound and long lasting good looks. 100% hand TIG-welded for proven quality and durability, this MACH Force-Xp system is finished off with quad 3" polished, stainless steel exhaust tips with laser-etched aFe POWER logos to give your E86 a track-prepped, custom look. Performance Gains: In testing, the cat-back exhaust system resulted in gains up to +7 horsepower and +15 lbs. x ft. of torque, as measured on our in-house dyno. Quad 3" Diameter Stainless Steel Tips: Quad, rear exit, 3" diameter, angle cut stainless steel exhaust tips with an aFe POWER logo laser-etched on the top for a custom look. High-Flow Performance Muffler: Incorporating less-restricting dual, high-flow, 304 stainless steel mufflers into the exhaust system to eliminate exhaust drone, maintaining a smooth, unique sound. 2-1/2" 304 Stainless Steel Tubing: Less restrictive than stock exhaust allows maximum flow and low turbulence; increasing torque, horsepower and improved throttle response. Perfect Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time. Hassle-Free Installation: This exhaust system is designed to be a true bolt on system with no cutting or modifications required. Quality hardware and clamps are included for a hassle-free installation.. MACH Force-Xp 2-1/2 in 304 Stainless Steel Cat-Back Exhaust w/Black Tips BMW Z4 M (E85/86) 06-08 L6-3.2L S54. aFe MACH Force-Xp 2-1/2in 304 SS Cat-Back Exhaust w/ Black Tips 05-08 BMW Z4 M Coupe (E86) L6 3.2L. MACH Force-Xp 2-1/2 in 304 Stainless Steel Cat-Back Exhaust w/Black Tips. 100 Percent Hand TIG-Welded For Race Proven Strength. Improved Performance and Rust Resistant Finish. Dual High Flow Metallic Black 304 SS Mufflers. Quad Rear Exit 3 in. Black SS Exhaust Tips. Mandrel Bent 304 Stainless Steel Tubing. MACH Force-Xp Cat-Back Exhaust System. High Quality Hardware and Clamps. +15 ft. x lbs. TQ & +15 HP. Hassle Free Installation. Cat-Back Exhaust

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