17200 This crossmember-back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968-1972 GM A-Bodies with a V8 engine. It's a true-dual exhaust system featuring all mandrel-bent 3.00-inch aluminized steel tubing with a built-in H-pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3.00-inch mandrel-bent tailpipes are custom bent to tuck up high above the rear end and exit with a slight turn down under the rear bumper. The system is constructed from aluminized steel and includes all necessary hardware and hangers for installation and is covered by our 3-year Limited Warranty. This system is also available in Stainless steel and comes with a Lifetime Limited Warranty, check out part# 817200. Features: Super 40 Series Performance Mufflers for Deep Powerful Sound H-pipe Crossover for Maximum Power and Deep Tone Mandrel-bent 16-gauge Aluminized Steel Tubing Includes Hangers and Hardware for Installation Crossmember-back True Dual Exhaust System Does Not Include Header Reducers or Factory Manifold Downpipes Aggressive Exterior Exhaust Tone Large Dual 3.00-inch Tubing 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 2WD Brand Flowmaster Emission Code 5 Exhaust Series American Thunder Exit Position Dual Out Rear Heat Shield No Inlet Diameter (in) 3 Material Aluminized Steel Muffler Part Number 953048 Muffler Quantity 2 Muffler Series Super 40 Series Outlet Diameter (in) 3 Product Type Exhaust System Single Dual Dual Sound Level Aggressive System Type Crossmember-back Tip Quantity Not Included Tube Diameter 3 inch Tubing Diameter (in) 3 Type of Exhaust Crossmember-back UPC 700042020935 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 17200 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# 17200 Warranty for Part# 17200 Systems do not include header reducer cones or downpipes to connect to factory manifolds.