Shanghai Jiawen Performance Industries Co., Ltd. is able to develop, manufacture and provide the best products, including; · Automobile & motorcycle exhaust systems – Headers, Manifolds, Mufflers, Bend Piping, Clamps, Muffler Tips, Down pipes, Cat-back systems and etc. · Intercooler systems – Intercooler Cores, Aluminum Bend Piping, Silicone Hoses, Clamps and etc. · Wheel Lock Kits - Lock bolts and nuts for the majority of vehicles. · Casting, stamping, machining, Loswax and Pressing Parts as per your designs.