Flowmaster - 10 Series Race Muffler - 3.50 Center In / 3.50 Center Out - Aggressive Sound 563 in Thick - 4

563 in Thick - 4 Hole - Square Bore to Spread Bore - Gaskets / Hardware Included - Aluminum - Natural - Each

5 in ID - 10 in Length - 325 lb/in Spring Rate - Steel - Black Powder Coat - Each

Open Tube Axle - Lightweight - 52 in Long - 1 in Offset - 42 Spline Hub - 46 Spline Brake Mount - 1

Fitting - Hose End - AC Refrigerant - 45 Degree - 6 AN Hose to 6 AN Female O-Ring - Steel - Nickel Plated - Each

Brake Pads - ProAct Ultra-Premium - Rear - Hardware Included - Mazda 3 2017-18 - Set of 4

Flowmaster - 10 Series Race Muffler - 3.50 Center In / 3.50 Center Out - Aggressive Sound 563 in Thick - 4Single chamber. The 10 Series race mufflers are intended for racing applications and utilize Flowmaster's Delta Flow technology for maximum performance. Recommended for racing applications where a muffler is required without a set decibel limit to be met. Will provide a noticeable dB reduction over open headers.