Active Sound Control V2 with 8 Selectable Sound Files - S4 - 3.0 Bi-TDI B9 Saloon/Avant (Diesel) - 2019 - 2020 - SSXAU668 £875.68 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat Replacement Pipes - Manual Only. Must be fitted with the Milltek Sport cat-back system - S4 - 4.2 V8 quattro B7 Saloon/Sedan? Avant? & Cabriolet - 2004-2009 - SSXAU289_1 £490.70 £545.22 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated / Quad 76.2mm Tailpipes - S4 - 4.2 V8 quattro B7 Saloon/Sedan? Avant? & Cabriolet - 2004-2009 - SSXAU048 £1,000.61 £1,111.79 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Resonated / Quad 76.2mm Tailpipes - S4 - 4.2 V8 quattro B7 Saloon/Sedan? Avant? & Cabriolet - 2004-2009 - SSXAU046 £1,127.57 £1,252.86 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Resonated (quieter) - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU296_1 £1,069.60 £1,188.44 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-resonated (louder) - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU295 £942.63 £1,047.37 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat Replacement Pipes - Manual Only. Must be fitted with the Milltek Sport cat-back system - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU289 £490.70 £545.22 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Resonated (quieter) - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU100_a £1,070.01 £1,188.90 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-resonated (louder) - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU038 £943.05 £1,047.83 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad JET-100 Carbon Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU722 £2,468.38 £2,742.64 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Resonated with Quad JET-100 Carbon Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU721 £2,625.04 £2,916.71 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad Cerakote Black Oval Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU705 £2,543.90 £2,826.55 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad Polished Oval Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU704 £2,385.00 £2,650.00 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad GT-100 Burnt Titanium Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU703 £2,808.72 £3,120.80 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad GT-100 Titanium Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU702 £2,516.38 £2,795.98 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad GT-100 Cerakote Black Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU701 £2,233.18 £2,481.31 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Non-Resonated (Louder) with Quad GT-100 Polished Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU700 £2,233.18 £2,481.31 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart
Cat-back - Resonated with Quad Cerakote Black Oval Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU699 £2,700.56 £3,000.62 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart