The aFe 49-03065-B 4″ Aluminized Stainless Steel Dual Side DPF-Back Exhaust System Kit with Black Tips was in-house tested and produced 8 hp and 11 lbs. x ft, of torque over the stock exhaust system.
Constructed from 4″ mandrel-bent aluminized stainless-steel tubing for the best and maximum flow, this unit uses high-quality band clamps and OE-style bayonet hangers; it includes dual side exits that are 6″ matte black stainless-steel clamp-ons. It utilizes all factory mounting locations to provide a quick, hassle-free installation. It also has intercooling tailpipes that are used to reduce exhaust gas temperatures and incorporates a mitered merge collector.