Audi A3 2.0T FSI Quattro - Non-Resonated (Louder) Turbo-Back Exhaust System with Hi-Flow Sports Catalyst leonmk1 Some vehicles sport two catalysts

Some vehicles sport two catalysts due to their dual pipe assembly

or switching fuel maps on a standalone engine management system

Piston head is optimized for ideal hydrodynamic flow

This VW Golf GTD 2

Comfort / Eco Mode = Closed up to 5k RPM

Audi A3 2.0T FSI Quattro - Non-Resonated (Louder) Turbo-Back Exhaust System with Hi-Flow Sports Catalyst leonmk1 Some vehicles sport two catalystsThe 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