817934 This American Thunder exhaust system is specifically designed for 1967-1972 Ford F-100/F-250/F-350 2-wheel drive long bed V8 trucks with a side mounted auxiliary fuel tank. The system is perfect for the person looking for an aggressive to moderate exterior and interior sound level. Starting after a set of factory manifolds or headers, this exhaust system comes complete with a built-in H-pipe crossover and all mandrel-bent 2.50-inch 409 stainless steel tubing that helps maximize the flow of the exhaust pulses for better performance and the added durability of stainless steel. The Super 44 Series performance mufflers will give any V8 a deep rumble with that classic Flowmaster tone. This system comes with your choice of three tailpipe exits, straight out the rear, side exit behind each rear tire, or dumped behind the rear tires. The system includes all hardware necessary for an at home installation. This exhaust system is covered by our Lifetime Limited Warranty. Fits long bed trucks only. Features: 3 Exit Options Allow You to Customize the Look of Your Truck 2.5-Inch Mandrel Bent Tubing Improves Exhaust Flow for Better Performance Super 44 Series Mufflers Give You a Deep, Classic Muscle Truck Sound H-Pipe Style Crossover Pipe Improves Performance and Reduces Interior Sound Includes all Necessary Hangers and Hardware for an at Home Installation 409 Stainless Steel adds Corrosion Resistance and Durability Backed by Flowmaster’s Lifetime 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 Brand Flowmaster Emission Code 5 Exhaust Series American Thunder Exit Position Dual Out Rear / Dual ot Side Material 409 Stainless Steel Mount Type Uses New Hangers (Included) Muffler Body Length (in) 13.25 Muffler Color Black Muffler Finish Painted Muffler Inlet Diameter 2.5 Muffler Inlet Location Centered Muffler Material 409S Stainless Steel Muffler Outlet Diameter 2.5 Muffler Outlet Location Offset Muffler Overall Length (in) 19.5 Muffler Part Number Kit Only Muffler Quantity 2 Muffler Series Super 44 Muffler Shape Oval Muffler Type Welded Baffle Product Type Exhaust System Single Dual Dual Sound Level Aggressive / Moderate System Type Crossmember-back Tip Style Not Included Tubing Diameter (in) 2.5 Tubing Material 409S Stainless Steel UPC 090127104279 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 817934 EMISSIONS 5 This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations. TECH RESOURCES Instructions for Part# 817934 Warranty for Part# 817934 Connector pipes for factory manifolds or headers are not included.