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Cutting is required for this system
Upgrade your Z4 M Coupe exhaust with the Twisted Steel 2 ½” race pipe
360+ cfm intake flow // 240 cfm exhaust flow rate
Kooks 2" Headers and Green Catted X pipe: The 2" long tube headers and high flow collector system help exhaust the hot gases from the cylinders to maintain a cooler/safer mixture and the 48 state legal green cats will keep you mostly compliant and also will keep the raw 93 fuel smell away while not robbing you of any horsepower
2014-2016 BMW 435i/ix (F32/F33) L6-3
AFE: MACH Force-Xp 3" 409 Stainless Steel Cat-Back Exhaust System GM Silverado/Sierra 1500 04-07 V6/V8 base Cutting is required for thisThis system fits all V6 V8 engines and produces an astonishing 9 HP and 15lbs. x ft. torque at the wheels. The cat back design is constructed using 3" mandrel bent 409 stainless steel, free flowing muffler, OE style bayonet hangers, band clamps and all hardware necessary for a hassle free installation. The smooth curves and increased diameter of the exhaust system helps remove horsepower robbing restriction and keeps exhaust gas flowing smoothly for
