Exhaust Downpipes for 07-13 BMW 135i 335i 3.0L | Polished

Features For 07-13 135i/335i/335is with 3.0L I6 (N54) engine Gain up to 28hp at high RPM and increases torque by 25-30lb·ft Large diameter and free flow tubing for unrestricted flow Cast inlet V-band flange for seamless flange to pipe transition Fully mandrel bent tubes made of 16-gauge 304 stainless steel Flanges laser-cut from thick steel plates Flanges flattened by hydraulic press for precise and leak-free seal Flanges chrome plated for corrosion resistance All joints TIG welded for resistance against cracking and wearing Polished surface for extra protection against rusting Tech Specs Pipe Diameter 3 in. (76mm) Turbo Fitment TD03 (Stock) Pipe Thickness 16 gauge (1.5mm) Material 304 Stainless Steel Finish Polished Compatibility Fitment Notes Does not fit xi/xDrive models with automatic transmissions Applications 2008-2010 BMW 135i (E82/E88) 3.0L N54B30A I6 2007-2010 BMW 335i (E90/E92/E93) 3.0L N54B30A I6 2011-20