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   aFe Power’s new Twisted Steel Headers part # 48-36307 for the 2006-2013 BMW 3-Series (E9x) L6-3.0L and 128i deliver an astounding 16hp and 18lbs x ft torque while outflowing the factory exhaust manifolds which is available thru Marken Performance.   The headers are constructed of near equal length 1.5” 16-gauge 304 stainless steel tubing with thick flanges to ensure a leak free seal.  To eliminate dead space that can cause turbulence and hinder flow that formed collectors are prone to produce, true merge collectors and optimized tube lengths are used for true pulse control technology improving flow and performance.  100% TIG-welded, the smooth curves and increased diameter of this header helps remove restriction and keeps exhaust gas flowing smoothly for improved performance and durability.   It uses dual, high flow, 300 cell catalytic converters for maximum flow providing an astonishing low end torque improvement.  aFe has designed this system to retain all your factory sensors for a hassle free installation.  Also included are 6 O-ring header flange gaskets.  All components are supplied for a hassle-free installation with no modifications necessary.  
 This Kit Fits:

BMW 128i (E82) 08-13 L6-3.0L
BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi (E90)  06-11 L6-3.0L - Sedan
BMW 325xi 328i 328xi 328i xDrive (E91) 06-12 L6-3.0L - Wagon
BMW 328i 328xi 328i xDrive (E92) 07-13 L6-3.0L - Coupe
BMW 328i  (E93) 07-13 L6-3.0L – Convertible

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