Audi S3 8P Sportback - Turbo-Back Exhaust System with Hi-Flow Sports Catalyst with Polished Trims Model_W204 (C220) Diesel 2007-13 and a maintenance-free design which

and a maintenance-free design which retains the standard oil lubrication

Rolling Road Power Testing - BMW M4 Performance Exhaust (Valved Primary Cat Back Exhaust)

standard catalyst

GPF Back Test Results (Efficient Mode):

Audi S3 8P Sportback - Turbo-Back Exhaust System with Hi-Flow Sports Catalyst with Polished Trims Model_W204 (C220) Diesel 2007-13 and a maintenance-free design whichThe 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