Brand: Allstar Performance Manufacturer's Part Number: ALL34183 Part Type: Exhaust Heat Shields Product Line: Allstar Performance Exhaust Shields Automotive Fittings Part Number: AAF-ALL34183 UPC: 848238019315 Fits Tubing Diameter: 3.500 in. Heat Shield Material: Aluminum Heat Shield Color: Natural Quantity: Sold individually. Notes: Exits at 90 degrees to door for dual 3.5 in. exhaust pipes. Description: Simplify exhaust routing and get a clean, finished look with Allstar Performance exhaust shields. These aluminum heat shields protect body panels from exhaust exiting through the passenger door. Round shields have a 6 in. I.D. and are commonly used for exiting one 5 in. diameter exhaust pipe. Oval shields feature inside dimensions of 5 in. x 9 in.—typically used with two 3.5 in. diameter exhaust pipes.