Quick view Choose Options SST exhaust flap / valve control suitable for Audi S4 Type 8W 260 kW YOC from 2016 AKS.2KB9-26 Was: $301.50 Now: $271.35
Quick view Choose Options SST exhaust flap / valve control suitable for Audi S4 Type 8W 255 kW YOC from 2019 AKS.i30N-28 Was: Now: $215.50
Quick view Choose Options SST exhaust flap / valve control suitable for Audi S4 Type 8E YOC 2004 - 2009 AKS.MV1L-AS4 Was: Now: $196.50
Quick view Choose Options Valvetronic Audi B9 S4 / S5 Valved Sport Exhaust System $2,999.00 Was: $2,499.00 Now: $1,999.20
Quick view Choose Options Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System $2,499.00 - $2,999.00 Was: $1,999.00 Now: $1,599.20 - $1,999.20
Quick view Add to Cart CARGRAPHIC 3-Mode Exhaust Valve Control Unit For Audi S4/S5 B9, S8 D4/D5 & A8 60 TFSI D5 - EXFLAPRCAU02 Was: Now: $464.00
Quick view Add to Cart Integrated Engineering Midpipe Exhaust Upgrade For Audi B9 S4 & S5 3.0T IEEXCK4 Was: $804.99 Now: $684.24
Quick view Add to Cart Integrated Engineering Catback Exhaust System For Audi B9/B9.5 S4 IEEXCK5 Was: $1,687.99 Now: $1,350.39
Quick view Add to Cart Integrated Engineering Catback Exhaust System For Audi B8 S4 IEEXCG3 Was: $2,089.99 Now: $1,776.49
Quick view Add to Cart Scorpion Exhaust Resonated Half System Exhaust - Daytona Non-Ceramic For Audi S4 B9 - SAU088 Was: Now: $3,072.29
Quick view Add to Cart Scorpion Exhaust Resonated Half System Exhaust - Ascari Carbon Fiber For Audi S4 B9 - SAU088CF Was: Now: $3,480.84
Quick view Add to Cart Scorpion Exhaust Predator Half System For Audi B8 S4 Valved Carbon Tips - SAU101CF Was: Now: $1,998.00
Quick view Add to Cart Scorpion Exhaust Predator Half System For Audi B8 S4 Valved Black Tips - SAU101C Was: Now: $1,898.00
Quick view Add to Cart Scorpion Exhaust Non Resonated Front Section For Audi S4 3.0 TSFI V6 Quattro & Avant B8/B8.5 - SAUP095 Was: Now: $465.78
Quick view Add to Cart Scorpion Exhaust Downpipes With Sports Cats for Audi S4 B8/B8.5 3.0T - SAUX044 Was: Now: $1,940.40
Quick view Add to Cart Scorpion Exhaust Non-Resonated Half System Exhaust - Ascari Carbon Fiber For Audi S4 B9 - SAUS088CF Was: Now: $3,333.83
Quick view Add to Cart Scorpion Exhaust Non-Resonated Half System Exhaust - Daytona Ceramic For Audi S4 B9 - SAUS088 Was: Now: $2,925.30
Quick view Add to Cart Scorpion Exhaust Predator Half System For Audi B8 S4 Non-Valved Polished Tips - SAU100 Was: Now: $1,099.00
Quick view Add to Cart APR Catback Exhaust System - S4 / S5 (B9) - CBK0012 Was: $1,999.95 Now: $1,798.95
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Right 150X105 With Valve 777505 Was: $2,340.00 Now: $2,106.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Right With Valve 777506 Was: $1,862.40 Now: $1,676.16
Quick view Choose Options Twenty Two Tuning Audi S4 (B8/B8.5) AK Style Carbon Fiber Exhaust Tips Was: Now: $285.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Centre Exhaust 777523 Was: $1,048.80 Now: $943.92
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Centre Pipe 777533 Was: $782.40 Now: $704.16
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Left 150X105 With Valve 777535 Was: $2,340.00 Now: $2,106.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Left With Valve 777536 Was: $1,862.40 Now: $1,676.16
Quick view Choose Options Armytrix Sport Cat Main Pipe w/200 CPSI Catalytic Converters Audi S4 | S5 B9 2017-2023 - AU94S-CD Was: Now: $1,760.00
Quick view Choose Options Supersprint AUDI S4 B7 V8 '05 -> '08 Sport&Sound "E.E.C." Pack 765540 Was: $3,184.80 Now: $2,866.32
Quick view Choose Options Armytrix Ceramic Coated Sport Cat Main Pipe w/200 CPSI Catalytic Converters Audi S4 | S5 B9 2017-2023 - AU94S-CDC Was: Now: $2,050.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Central "Y-Pipe" 777553 Was: $762.00 Now: $685.80
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Central "Y-Pipe" 777563 Was: $1,076.40 Now: $968.76
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi A4/A5 | S4/S5 3.0L TFSI 2009-2015 - True Titanium Blue Tips - AUBS4-QT19B Was: Now: $3,580.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi A4/A5 | S4/S5 3.0L TFSI 2009-2015 - Carbon Fiber Tips - AUBS4-QC11 Was: Now: $3,480.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi A4/A5 | S4/S5 3.0L TFSI 2009-2015 - Gold Tips - AUBS4-QS11G Was: Now: $3,180.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi A4/A5 | S4/S5 3.0L TFSI 2009-2015 - Matte Black Tips - AUBS4-QS11M Was: Now: $3,180.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi A4/A5 | S4/S5 3.0L TFSI 2009-2015 - Blue Coated Tips - AUBS4-QS11B Was: Now: $3,140.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi A4/A5 | S4/S5 3.0L TFSI 2009-2015 - Chrome Silver Tips - AUBS4-QS11C Was: Now: $2,880.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi S4 | S5 3.0L V6 Turbo B9 Non-OPF 2017-2023 - True Titanium Blue Tips - AU94S-QT19B Was: Now: $4,680.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi S4 | S5 3.0L V6 Turbo B9 Non-OPF 2017-2023 - Carbon Fiber Tips - AU94S-QC11 Was: Now: $4,580.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi S4 | S5 3.0L V6 Turbo B9 Non-OPF 2017-2023 - Gold Tips - AU94S-QS11G Was: Now: $4,280.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi S4 | S5 3.0L V6 Turbo B9 Non-OPF 2017-2023 - Matte Black Tips - AU94S-QS14M Was: Now: $4,280.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi S4 | S5 3.0L V6 Turbo B9 Non-OPF 2017-2023 - Blue Coated Tips - AU94S-QS14B Was: Now: $4,240.00
Quick view Choose Options Armytrix Valvetronic Exhaust System Audi S4 | S5 3.0L V6 Turbo B9 Non-OPF 2017-2023 - Chrome Silver Tips - AU94S-QS14C Was: Now: $3,980.00
Quick view Add to Cart MBRP 10-16 Audi S4/S5 3.0TFSI B8/B8.5 T304 Stainless Steel 2.25in Muffler Bypass - mbrpS4611304 Was: $384.99 Now: $307.99
Quick view Add to Cart MBRP 18-21 Audi S5 Coupe/S4 Sedan T304 SS 2.5in Cat-Back Quad Rear Exit Exhaust - Carbon Fiber Tips - mbrpS46073CF Was: $1,364.99 Now: $1,091.99
Quick view Add to Cart MBRP 18-21 Audi S5 Coupe/S4 Sedan T304 SS 2.5in Cat-Back Quad Rear Exit Exhaust - SS Tips - mbrpS4607304 Was: $1,259.99 Now: $1,007.99
Quick view Add to Cart Milltek Audi B6/B7 S4 Catalyst Delete Pipe - SSXAU289 Was: $719.00 Now: $611.15
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Quad Carbon Trims - SSXAU1103 Was: $3,851.00 Now: $3,273.35
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Oval Cerakote Black Trims - SSXAU1096 Was: $3,959.00 Now: $3,365.15
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Burnt Titanium Trims - SSXAU1094 Was: $4,347.00 Now: $3,694.95
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Cerakote Trims - SSXAU1105 Was: $3,507.00 Now: $2,980.95
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Polished Trims - SSXAU1091 Was: $3,507.00 Now: $2,980.95
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Titanium Trims - SSXAU1093 Was: $3,665.00 Now: $3,115.25
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Polished Oval Trims - SSXAU1095 Was: $3,727.00 Now: $3,167.95
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Cerakote Black Trims - SSXAU1071 Was: $3,507.00 Now: $2,980.95
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Cerakote Black Oval Trims - SSXAU1079 Was: $3,959.00 Now: $3,365.15
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Burnt Titanium Trims - SSXAU1073 Was: $4,347.00 Now: $3,694.95
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Polished Trims - SSXAU1070 Was: $3,507.00 Now: $2,980.95
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Titanium Trims - SSXAU1072 Was: $3,765.00 Now: $3,200.25
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Burnt Titanium Trims - SSXAU1077 Was: $4,355.00 Now: $3,701.75
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Cerakote Black Trims - SSXAU1075 Was: $3,743.00 Now: $3,181.55
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Polished Trims - SSXAU1074 Was: $3,511.00 Now: $2,984.35
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Titanium Trims - SSXAU1076 Was: $4,115.00 Now: $3,497.75
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Carbon Trims - SSXAU1089 Was: $3,851.00 Now: $3,273.35
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Polished Oval Trims - SSXAU1078 Was: $3,727.00 Now: $3,167.95
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Cerakote Black Oval Trims - SSXAU1086 Was: $3,730.00 Now: $3,170.50
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Burnt Titanium Trims - SSXAU1083 Was: $4,118.00 Now: $3,500.30
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Cerakote Black Trims - SSXAU1081 Was: $3,278.00 Now: $2,786.30
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Polished Trims - SSXAU1080 Was: $3,278.00 Now: $2,786.30
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Titanium Trims - SSXAU1082 Was: $3,690.00 Now: $3,136.50
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Burnt Titanium Trims - SSXAU1084 Was: $4,126.00 Now: $3,507.10
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Cerakote Black Trims - SSXAU1088 Was: $3,514.00 Now: $2,986.90
Quick view Add to Cart Milltek Audi S4 B9 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Polished Trims - SSXAU1085 Was: $3,282.00 Now: $2,789.70
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Titanium Trims - SSXAU1087 Was: $3,886.00 Now: $3,303.10
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Carbon Trims - SSXAU1090 Was: $3,622.00 Now: $3,078.70
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Polished Oval Trims - SSXAU1106 Was: $3,498.00 Now: $2,973.30
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Cerakote Black Oval Trims - SSXAU1102 Was: $3,730.00 Now: $3,170.50
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Burnt Titanium Trims - SSXAU1100 Was: $4,118.00 Now: $3,500.30
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Cerakote Black Trims - SSXAU1098 Was: $3,278.00 Now: $2,786.30
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Polished Trims - SSXAU1097 Was: $3,159.00 Now: $2,685.15
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Titanium Trims - SSXAU1099 Was: $3,690.00 Now: $3,136.50
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Carbon Trims - SSXAU1104 Was: $3,622.00 Now: $3,078.70
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Polished Oval Trims - SSXAU1101 Was: $3,498.00 Now: $2,973.30
Quick view Choose Options Milltek Audi B8 S4/S5 Sportback Resonated (Quieter) Cat-Back Exhaust Systems Was: $2,902.00 Now: $2,466.70 - $2,765.90
Quick view Add to Cart Milltek Audi B8 S4/S5 Coupé/Cabrio Valved & Resonated (Quieter) Cat-Back Exhaust System with Black Oval Trims - SSXAU380 Was: $4,807.00 Now: $4,085.95
Quick view Choose Options Milltek B8 S4 & B8.5 S5 Coupé/Cabrio/Sportback Valved & Resonated (Quieter) Cat-Back Exhaust Systems Was: $4,169.00 Now: $3,543.65 - $3,893.85
Quick view Choose Options Milltek Audi B8 S4 & B8.5 S5 Sportback Resonated (Quieter) Cat-Back Exhaust Systems Was: $3,058.00 Now: $2,599.30 - $2,801.60
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Sport Diff Models) Non-Resonated (Louder) Cat-Back Exhaust Systems Was: $3,278.00 Now: $2,786.30 - $3,500.30
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Sport Diff Models) Resonated (Quieter) Cat-Back Exhaust Systems Was: $3,507.00 Now: $2,980.95 - $3,694.95
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back Exhaust Systems Was: $3,278.00 Now: $2,786.30 - $3,507.10
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Non Sport Diff Models) Resonated (Quieter) Cat-Back Exhaust Systems Was: $3,507.00 Now: $2,980.95 - $3,701.75
Quick view Add to Cart Milltek Audi B9 S4/S5 Active Valve Control System - SSXAU677 Was: $757.00 Now: $643.45
Quick view Add to Cart Milltek Audi SQ5/7 | A6/A7 | S4 3.0 Bi-TDI Active Sound Control - SSXAU668 Was: $1,155.00 Now: $981.75
Quick view Out of stock AWE Touring & Track Edition Exhausts for Audi B7 S4 Was: Now: $1,855.00 - $2,165.00
Quick view Choose Options AWE Exhaust Suite for Audi B9 S4 3.0T Was: $2,010.00 Now: $1,798.42 - $3,140.53
Quick view Choose Options ARM Motorsports Audi B9 S4 S5 3.0T 3" Midpipes - B9MID $497.00 Was: $397.00 Now: $337.45 - $929.90
Quick view Add to Cart AWE Tuning Audi 2.7T Performance Intercooler Kit - w/Carbon Fiber Shrouds awe4510-11040 Was: $925.00 Now: $827.63
