VW Golf GTi Mk6 - Non-Resonated (Louder) Turbo-Back Exhaust System with Hi-Flow Sports Catalyst & Matt-Black Trims Audi > A4 > 2.0 TDi B8 140PS / 177PS 2WD Saloon and Avant (S line models only) > 2009 to 2011 in this mode the sound

in this mode the sound produced by the system is kept to a comfortable level

Exterior Exhaust Sound Example - Mini Cooper S F56 LCI GPF Back Exhaust

no additional hardware and conservative Stage 1 map)

you can expect significant power-gain without any restriction on gas-flow made by a catalyst

VW Golf GTi Mk6 - Non-Resonated (Louder) Turbo-Back Exhaust System with Hi-Flow Sports Catalyst & Matt-Black Trims Audi > A4 > 2.0 TDi B8 140PS / 177PS 2WD Saloon and Avant (S line models only) > 2009 to 2011 in this mode the soundThe 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