aFe 49-36342-P aFe MACH Force-Xp 3.5in. 304 SS C/B Exhaust w/o Muffler 15-18 BMW X5 M V8-4.4L (tt) - Polished Tip

MACH Force-XP 3-1/2 IN 304 Stainless Steel Cat-Back Exhaust w/ Polished Tip BMW X5 M (F85) / X6 M (F86) 15-19 V8-4.4L (tt) S63MACH Force-XP 3-1/2 IN 304 Stainless Steel Cat-Back Exhaust w/ Polished TipAdd power, sound and unique style to your BMW X5/X6 M with this aFe Power cat-back system which produced gains of up to +15 horsepower and +23 lbs. x ft. torque as measured on our in-house dyno. Dual 3" to 2-1/2" mandrel-bent, TIG welded, brush finished 304 stainless steel tubing keeps exhaust flowing smoothly for power gains you can feel. The factory exhaust valve motor is used to regulate the exhaust flow from a closed-valve, aggressive tone to wide-open, competition sound.Features and Benefits: 100 Percent CAD Designed Custom Factory Fitment; Corrosion Resistance/Durability; Evenly Distributes Exhaust Pulses; Hassle Free Installation; TIG Welded For Strength