17201 This crossmember-back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1967-1969 Chevrolet Camaro and Pontiac Firebirds 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 at the quarter panels behind the rear wheels. The system is constructed from aluminized steel and includes all necessary hardware and hangers for installation. Covered by our 3-year Limited Warranty. Features: H-pipe Crossover for Maximum Power and Deep Tone Super 40 Series Mufflers for Deep Powerful Sound Mandrel-bent 16-gauge Aluminized Steel Tubing Includes Hangers and Hardware for Installation Moderate to Aggressive Exterior Exhaust Tone Crossmember-back True Dual Exhaust System Does Not Include Header Reducers or Downpipes for Factory Manifolds Large Dual 3.00-inch Tubing 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 953046 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 700042020454 California Proposition 65 Required No Part Number 17201 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# 17201 Warranty for Part# 17201 "Does not fit convertibles without an X-brace modification. The brace will need to be shimmed down enough to clear the new exhaust pipes.