817659 Flowmaster's Force II Crossmember-Back system for the 1970-1973 Chevrolet Corvette is perfect for the person looking for a moderate exterior and mild interior exhaust tone, with all of the performance benefits that you would expect from Flowmaster. This bolt-on Dual Out Rear system for the 5.7L V8 features 50 Series Delta Flow mufflers, a Scavenger X-pipe assembly and 2.25 in. tailpipes. Like all Flowmaster systems, the pipes are all mandrel bent to reduce any restrictions and maximize performance. The system finishes with rectangular polished 304S stainless steel tips that exit in the factory cutout bezels. The exhaust system is manufactured out of 409S stainless steel and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Features: Stainless Steel Construction Dyno Tuned For Maximum Performance Lifetime Limited Warranty Delta Flow Technology 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 Brand Flowmaster Catalytic Converter Included No Color Black Emission Code 5 Exhaust Series Force II Exit Position Dual Out Rear Heat Shield No Inlet Diameter (in) 2.25 Material 409 Stainless Steel Mount Type Flanged Muffler Part Number Kit Only Muffler Quantity 2 Muffler Series 50 Series Delta Flow Muffler Type Welded Baffle Outlet Diameter (in) 2.5 Product Type Exhaust System Shape Oval Single Dual Dual Sound Level Moderate System Type Crossmember-back Tip Cut Angle Tip Diameter (in) 3.00 x 5.50 Tip Edge Style Rolled Tip Finish Polished Tip Length (in) 7 Tip Logo Embossed Tip Material Stainless Steel Tip Quantity 2 Tip Shape Rectangle Tubing Diameter (in) 2.25 Tubing Material 409S Stainless Steel UPC 700042031184 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 817659 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# 817659 Warranty for Part# 817659 Fits 1970-1973 Corvette Stingray with 350 Small Block Engine.