15811 These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge aluminized steel tubing for maximum flow, tuck up high in the chassis for good clearance and exit out the sides behind the rear wheels. Designed to be used with a Single Inlet/Dual 2.50-inch Outlet mufflers such as part# 9430452 (Super 44 Series) or 530552 (Super 50 Series) muffler. Covered by our 3-year Limited Warranty. Note: Some fitment may be necessary. Does Not include installation hardware or exhaust tips. Features: Mandrel-bent for Maximum Performance High Clearance around Rear Differential Exits Out the Sides Behind Rear Wheels Designed for Double Off-set Mufflers 16 Gauge Aluminzed Steel Tubing Does Not Include Hardware 3-year Limited Warranty About Flowmaster Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound. SPECS 2WD/4WD RWD/4WD Brand Flowmaster Emission Code 5 Exhaust Pipe Bend Type Assorted Exit Position Dual Side Exit Heat Shield No Mount Type Yes Muffler Part Number Kit Only Product Type Exhaust Accessories Single Dual Dual System Type Tailpipe Kit Tubing Diameter (in) 2.5 UPC 700042032228 California Proposition 65 Required No Part Number 15811