The AWE Touring Edition axle back exhaust is a straight-through concept, yet also features AWE’s proprietary drone-canceling solution, 180 Technology® to produce the perfect, drone-free exhaust note. Made in the USA, AWE axle back exhausts are handcrafted from US-sourced T304L stainless steel, and come with a fitment guarantee, a no Check Engine Light guarantee, and a Lifetime Warranty. Complete with your choice of Diamond Black or Chrome Silver double-walled 80mm tips. IMPORTANT NOTE: Quad tip configurations are only available for the 3/428i. If you are opting for the quad-tip option, be sure to also purchase the quad-tip marking template.. 3D-printed bolt on marking template allows for perfect “quad tip” bumper cut if desired (available for both Non-M Sport and M Sport 428i cars). AWE Touring Edition Axle-back Exhaust, Quad Outlet for BMW F3X N20/N26 328i/428i - Chrome Silver Tips (80mm). AWE Tuning BMW F3X N20/N26 328i/428i Touring Edition Exhaust Quad Outlet - 80mm Chrome Silver Tips. AWE Touring Edition Axle-back Exhaust, Quad Outlet for BMW F3X N20/N26 328i/428i. Handcrafted from 3” U.S.-sourced CNC mandrel-bent T304L stainless steel. Features AWE’s proprietary drone-canceling solution, 180 Technology®. 80mm double-walled tips available in chrome silver or diamond black. Max gains of 13 hp and 13 lb-ft of torque at the crank. Engineered, designed and manufactured in-house at AWE. A sophisticated Touring Edition Axleback Exhaust.. Featuring the AWE Lifetime Exhaust Warranty. Direct bolt-on for factory-like simplicity. No Check Engine Light - guaranteed. Perfect fitment - guaranteed. Touring Exhaust

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