Milltek Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars) 2016-2023 Hi-Flow Sports Cat and Downpipe Exhaust Make & Model_Audi RS7 C7 2015 – Now Audi A3/S3/RS3

2015 –  Now Audi A3/S3/RS3 (8V/8V

This valve is specifically designed to do this

giving you an exhilarating driving experience

A lean mixture at high boost can destroy an engine in seconds

doesn’t cost the earth and can be put back to standard quickly (warranty)

Milltek Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars) 2016-2023 Hi-Flow Sports Cat and Downpipe Exhaust Make & Model_Audi RS7 C7 2015 – Now Audi A3/S3/RS3All Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.