The 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 the OE catalysts, allowing for a free-flowing exhaust system to improve your engines performance. – .