Quick view Choose Options Valvetronic Audi B9 S4 / S5 Valved Sport Exhaust System Was: Now: $2,599.00
Quick view Choose Options Valvetronic Audi B8 / B8.5 S4 / S5 Valved Sport Exhaust System Was: Now: $2,199.00 - $2,699.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Right 150X105 With Valve 777505 Was: Now: $2,340.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Right With Valve 777506 Was: Now: $1,862.40
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 -> Rear Exhaust Left 150X105 With Valve 777535 Was: Now: $2,340.00
Quick view Choose Options Supersprint AUDI S4 B9 2016 -> Rear Exhaust Left With Valve 777536 Was: Now: $1,862.40
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: Now: $3,184.80
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 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: Now: $364.99
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: Now: $1,299.99
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: Now: $1,199.99
Quick view Add to Cart Milltek Audi B6/B7 S4 Catalyst Delete Pipe - SSXAU289 Was: $692.00 Now: $622.80
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Quad Carbon Trims - SSXAU1103 Was: $3,685.00 Now: $3,316.50
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Oval Cerakote Black Trims - SSXAU1096 Was: $3,809.00 Now: $3,428.10
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Burnt Titanium Trims - SSXAU1094 Was: $4,181.00 Now: $3,762.90
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Cerakote Trims - SSXAU1105 Was: $3,373.00 Now: $3,035.70
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Polished Trims - SSXAU1091 Was: $3,373.00 Now: $3,035.70
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Titanium Trims - SSXAU1093 Was: $3,547.00 Now: $3,192.30
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Resonated Cat Back with Polished Oval Trims - SSXAU1095 Was: $3,561.00 Now: $3,204.90
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Cerakote Black Trims - SSXAU1071 Was: $3,373.00 Now: $3,035.70
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Cerakote Black Oval Trims - SSXAU1079 Was: $3,809.00 Now: $3,428.10
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Burnt Titanium Trims - SSXAU1073 Was: $4,181.00 Now: $3,762.90
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Polished Trims - SSXAU1070 Was: $3,373.00 Now: $3,035.70
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: $3,388.50
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Burnt Titanium Trims - SSXAU1077 Was: $4,181.00 Now: $3,762.90
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Cerakote Black Trims - SSXAU1075 Was: $3,601.00 Now: $3,240.90
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Polished Trims - SSXAU1074 Was: $3,381.00 Now: $3,042.90
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Titanium Trims - SSXAU1076 Was: $3,933.00 Now: $3,539.70
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Carbon Trims - SSXAU1089 Was: $3,685.00 Now: $3,316.50
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Resonated Cat-Back with Quad Polished Oval Trims - SSXAU1078 Was: $3,561.00 Now: $3,204.90
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: $3,595.00 Now: $3,235.50
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: $3,967.00 Now: $3,570.30
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: $3,159.00 Now: $2,843.10
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Polished Trims - SSXAU1080 Was: $3,159.00 Now: $2,843.10
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Titanium Trims - SSXAU1082 Was: $3,551.00 Now: $3,195.90
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: $3,967.00 Now: $3,570.30
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: $3,387.00 Now: $3,048.30
Quick view Add to Cart Milltek Audi S4 B9 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Polished Trims - SSXAU1085 Was: $3,167.00 Now: $2,850.30
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Titanium Trims - SSXAU1087 Was: $3,719.00 Now: $3,347.10
Quick view Add to Cart Milltek Audi B9 S4 (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back with Quad Carbon Trims - SSXAU1090 Was: $3,471.00 Now: $3,123.90
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: $3,347.00 Now: $3,012.30
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Cerakote Black Oval Trims - SSXAU1102 Was: $3,595.00 Now: $3,235.50
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Burnt Titanium Trims - SSXAU1100 Was: $3,967.00 Now: $3,570.30
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Cerakote Black Trims - SSXAU1098 Was: $3,159.00 Now: $2,843.10
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: $2,843.10
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Titanium Trims - SSXAU1099 Was: $3,551.00 Now: $3,195.90
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Carbon Trims - SSXAU1104 Was: $3,471.00 Now: $3,123.90
Quick view Add to Cart Milltek Audi B9 S4 (Sport Diff Models Only) Non-Resonated Cat Back with Polished Oval Trims - SSXAU1101 Was: $3,347.00 Now: $3,012.30
Quick view Choose Options Milltek Audi B8 S4/S5 Sportback Resonated (Quieter) Cat-Back Exhaust Systems Was: $2,841.00 Now: $2,556.90 - $3,151.00
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: $4,682.00 Now: $4,213.80
Quick view Choose Options Milltek B8 S4 & B8.5 S5 Coupé/Cabrio/Sportback Valved & Resonated (Quieter) Cat-Back Exhaust Systems Was: $4,050.00 Now: $3,645.00 - $4,442.00
Quick view Choose Options Milltek Audi B8 S4 & B8.5 S5 Sportback Resonated (Quieter) Cat-Back Exhaust Systems Was: $2,945.00 Now: $2,650.50 - $3,173.00
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Sport Diff Models) Non-Resonated (Louder) Cat-Back Exhaust Systems Was: $3,189.00 Now: $2,870.10 - $3,997.00
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Sport Diff Models) Resonated (Quieter) Cat-Back Exhaust Systems Was: $3,403.00 Now: $3,062.70 - $4,211.00
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Non Sport Diff Models) Non-Resonated (Louder) Cat-Back Exhaust Systems Was: $3,189.00 Now: $2,870.10 - $3,997.00
Quick view Choose Options Milltek Audi B9 S4/S5 Sportback (Non Sport Diff Models) Resonated (Quieter) Cat-Back Exhaust Systems Was: $3,403.00 Now: $3,062.70 - $4,211.00
Quick view Add to Cart Milltek Audi B9 S4/S5 Active Valve Control System - SSXAU677 Was: $734.00 Now: $660.60
Quick view Add to Cart Milltek Audi SQ5/7 | A6/A7 | S4 3.0 Bi-TDI Active Sound Control - SSXAU668 Was: $1,126.00 Now: $1,013.40
Quick view Out of stock AWE Touring & Track Edition Exhausts for Audi B7 S4 Was: Now: $1,855.00 - $2,165.00
Quick view Add to Cart AWE Tuning Audi 2.7T Performance Intercooler Kit - w/Carbon Fiber Shrouds awe4510-11040 Was: Now: $925.00
Quick view Add to Cart AWE Touring Edition Exhaust for Audi B8 S4 3.0T - Diamond Black Tips (102mm) - awe3010-43012 Was: Now: $1,960.00
Quick view Add to Cart AWE Touring Edition Exhaust for Audi B8 S4 3.0T - Chrome Silver Tips (102mm) - awe3010-42016 Was: Now: $1,910.00
Quick view Add to Cart AWE Touring Edition Exhaust for Audi B8 S4 3.0T - Diamond Black Tips (90mm) - awe3010-43014 Was: Now: $1,755.00
Quick view Add to Cart AWE Touring Edition Exhaust for Audi B8 S4 3.0T - Chrome Silver Tips (90mm) - awe3010-42018 Was: Now: $1,700.00
Quick view Add to Cart AWE Track Edition Exhaust for Audi B8 S4 3.0T - Diamond Black Tips (102mm) - awe3020-43026 Was: Now: $1,390.00
Quick view Add to Cart AWE Track Edition Exhaust for Audi B8 S4 3.0T - Diamond Black Tips (90mm) - awe3020-43020 Was: Now: $1,290.00
Quick view Add to Cart AWE Track Edition Exhaust for Audi B8 S4 3.0T - Chrome Silver Tips (102mm) - awe3020-42026 Was: Now: $1,340.00
Quick view Add to Cart AWE Track Edition Exhaust for Audi B8 S4 3.0T - Chrome Silver Tips (90mm) - awe3020-42020 Was: Now: $1,235.00
Quick view Add to Cart AWE Tuning B8 / 8R 3.0T ColdFront Heat Exchanger awe4510-11032 Was: Now: $980.00
Quick view Add to Cart AWE Tuning Audi B8.5 3.0T ColdFront Coolant Pump awe4710-11026 Was: Now: $825.00
Quick view Add to Cart AWE Tuning Audi B8.5 S4/S5 3.0T Track to Touring Edition Conversion Kit (for Kits w/102mm Tips) awe3815-41010 Was: Now: $720.00
Quick view Add to Cart AWE Tuning 10-16 Audi S4 Quattro 3.0T (B8/8.5) Conversion Kit - Track to Touring (90mm Tips) Was: Now: $720.00
Quick view Add to Cart AWE Tuning Audi B8.5 S4/S5 Track Edition Conversion Kit for 102mm Tips awe3820-41008 Was: Now: $410.00
Quick view Add to Cart AWE Tuning Audi B8 S4/S5 Track Edition Conversion Kit for 90mm Tips awe3820-41006 Was: Now: $410.00
Quick view Choose Options Meisterschaft Audi S4 Sedan (2008+) V6 (Supercharged) Exhaust System Was: Now: $1,998.00
