The outlet part is made of stainless steel, and the pipe is made of Alstar and the muffler cutter is double layered like a mug, so it is hard to transfer high heat to the outside, preventing problems such as burning the bumper. Oval dual extrusions with pipe diameter 1.7 inches (42.7 mm), outlet width 3.4 inches (86 mm), height 2.5 inches (63 mm). 5ZIGen and AUTOACE are co-developed Certificates and **are issued with consecutive names 5ZIGen and AUTOACE. Gasket included Compliant with safety standards, this product is compatible with vehicles with accelerated noise regulations in 2010. Fitment L385S custom All Grade