Audi A3 2.0T FSI Quattro - Non-Resonated (Louder) Turbo-Back Exhaust System with Hi-Flow Sports Catalyst leonmk1 Piston head is optimized for

Piston head is optimized for ideal hydrodynamic flow

Some vehicles sport two catalysts due to their dual pipe assembly

Cobra Sport have delivered a product that truly awakens the sound of the M140i

many vehicles have been manufactured with a Gasoline/Otto Particulate Filter to reduce further the emissions from the vehicle

Audi A3 2.0T FSI Quattro - Non-Resonated (Louder) Turbo-Back Exhaust System with Hi-Flow Sports Catalyst leonmk1 Piston head is optimized forThe Milltek Sport Turbo Back range offers performance enhancements for turbo charged vehicle owners looking to tune their vehicles. Providing the turbo with an exhaust system manufactured with enlarged diameter throughout for enhanced gas flow properties for lower back pressure as a result of the reduced restrictions and benefits with the suitably aggressive exhaust sound it deserves. The Milltek Hi Flow Sports Catalyst reduces the restriction over