Description The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich deep sporty sound. The use of SUS304 polished stainless steel piping, Mandrel bent to shape, state of the art CNC machine made flange, Robot TIG welding and double wall polished stainless steel or Titanium tips, provides the Invidia Q300 Exhaust with outstanding durability and appearance. Features 304 Stainless Steel Design Polished Piping with Stainless Steel Tip Dual Exit Design Smooth Bends Allow for an Unobstructed Exit Path [tab] Brand: Invidia Hardware Included: Yes Silencer Included: No Resonated: Yes Piping Inner Diameter: 3in Piping Coating: No Piping Flex Joint: Yes Piping Material: 304 Stainless Steel Tip Diameter: 4in Tip Quantity: 4 Tip Shape: Round - Slant Cut Tip Material: Stainless Steel Tip Finish: Polished Exit Location: Rear Manufacture Warranty: 1 Year [/tab] [summary]The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich deep sporty sound. The use of SUS304 polished stainless steel piping, Mandrel bent to shape, state of the art CNC machine made flange, Robot TIG welding and double wall polished stainless steel or Titanium tips, provides the Invidia Q300 Exhaust with outstanding durability and appearance.[/summary]