Active Sound Control V2 with 8 Selectable Sound Files - S4 - 3.0 Bi-TDI B9 Saloon/Avant (Diesel) - 2019 - 2020 - SSXAU668 £739.28 £821.42 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 £451.56 £501.73 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 £924.86 £1,027.62 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
Cat-back - Resonated / Quad 76.2mm Tailpipes - S4 - 4.2 V8 quattro B7 Saloon/Sedan? Avant? & Cabriolet - 2004-2009 - SSXAU046 £1,011.20 £1,123.55 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 - Resonated (quieter) - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU296_1 £942.01 £1,046.68 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-back - Non-resonated (louder) - S4 - 4.2 V8 quattro B6 Saloon/Sedan? Avant? & Cabriolet - 2003-2005 - SSXAU295 £855.68 £950.75 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 £451.56 £501.73 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 £939.98 £1,044.42 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 £853.64 £948.49 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
HJS Tuning ECE Downpipes - Fits with OE and Milltek Sport Cat back Systems - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU725_1 £2,256.38 £2,507.09 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 £2,315.45 £2,572.72 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 (EC Approval Coming Soon) with Quad JET-100 Carbon Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU721 £2,462.40 £2,736.00 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 Cerakote Black Oval Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU705 £2,386.30 £2,651.44 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) with Quad Polished Oval Trims - S4 - 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only) - 2016-2020 - SSXAU704 £2,237.23 £2,485.81 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 £2,634.71 £2,927.46 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 £2,360.48 £2,622.76 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 £2,094.83 £2,327.59 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 £2,094.83 £2,327.59 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