Milltek Sport BMW Catback Exhaust Systems for BMW F90 M5 S63 4.4L

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Catback Exhaust systems are designed to completely replace everything from your cats all the way back to your exhaust tips. Traditionally, if you are planning on upgrading your entire exhaust system, you will also need headers and downpipes.
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Milltek Sport Cat Back System with OPF/GPF Bypass - Polished Tips F90 M5
Milltek Sport Cat Back System with OPF/GPF Bypass - Polished Tips F90...
For Vehicles With OPF (2020+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:4826886
Part#: SSXBM1180
In Stock
Sale - Save 10% $ 4,948.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,453.20 USD
Add to Wish List
Sale - Save 10%
$ 4,948.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,453.20 USD
Add to Wish List
Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this cat-back exhaust system from Milltek. Milltek engineers took on the task of finding the perfect balance between maximum performance increase and a responsible noise level in each and every system, to appeal to enthusiasts of all levels. All products are direct replacements for factory exhaust systems, meaning no modifications are required for proper fitment. Included with this catback system is Milltek's OPF/GPF Bypass system kit. The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. *Note: Fits OE Downpipes and OE OPF/GPF System. Will require Stage 2 Tune Includes: Full cat-back exhaust Polished tips OPF/GPF Bypass kit
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Milltek Sport Cat Back System with OPF/GPF Bypass - Burnt/Blue Titanium Tips F90 M5
Milltek Sport Cat Back System with OPF/GPF Bypass - Burnt/Blue Titani...
For Vehicles With OPF (2020+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:4826883
Part#: SSXBM1183
Ships in 3 Business Days
Sale - Save 10% $ 5,728.00

This product was last offered at the strikethrough price on
07-01-2026

$ 5,155.20 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 10%
$ 5,728.00

This product was last offered at the strikethrough price on
07-01-2026

$ 5,155.20 USD
Free Shipping on orders $49 and up
Add to Wish List
Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this cat-back exhaust system from Milltek. Milltek engineers took on the task of finding the perfect balance between maximum performance increase and a responsible noise level in each and every system, to appeal to enthusiasts of all levels. All products are direct replacements for factory exhaust systems, meaning no modifications are required for proper fitment. Included with this catback system is Milltek's OPF/GPF Bypass system kit. The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. *Note: Fits OE Downpipes and OE OPF/GPF System. Will require Stage 2 Tune Includes: Full cat-back exhaust Burnt/Blue Titanium tips OPF/GPF Bypass kit
Show More Show Less
Milltek Sport Cat Back System with OPF/GPF Bypass - Carbon Jet Black Tips F90 M5
Milltek Sport Cat Back System with OPF/GPF Bypass - Carbon Jet Black ...
For Vehicles With OPF (2020+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:4826884
Part#: SSXBM1184
Ships in 3 Business Days
Sale - Save 10% $ 5,248.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,723.20 USD
Add to Wish List
Sale - Save 10%
$ 5,248.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,723.20 USD
Add to Wish List
Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this cat-back exhaust system from Milltek. Milltek engineers took on the task of finding the perfect balance between maximum performance increase and a responsible noise level in each and every system, to appeal to enthusiasts of all levels. All products are direct replacements for factory exhaust systems, meaning no modifications are required for proper fitment. Included with this catback system is Milltek's OPF/GPF Bypass system kit. The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. *Note: Fits OE Downpipes and OE OPF/GPF System. Will require Stage 2 Tune Includes: Full cat-back exhaust Carbon Jet Black tips OPF/GPF Bypass kit
Show More Show Less
Milltek Sport Cat Back System with OPF/GPF Bypass - Brushed Titanium Tips F90 M5
Milltek Sport Cat Back System with OPF/GPF Bypass - Brushed Titanium ...
For Vehicles With OPF (2020+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:4813300
Part#: SSXBM1182
Ships in 3 Business Days
Sale - Save 10% $ 5,328.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,795.20 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 10%
$ 5,328.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,795.20 USD
Free Shipping on orders $49 and up
Add to Wish List
Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this cat-back exhaust system from Milltek. Milltek engineers took on the task of finding the perfect balance between maximum performance increase and a responsible noise level in each and every system, to appeal to enthusiasts of all levels. All products are direct replacements for factory exhaust systems, meaning no modifications are required for proper fitment. Included with this catback system is Milltek's OPF/GPF Bypass system kit. The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. *Note: Fits OE Downpipes and OE OPF/GPF System. Will require Stage 2 Tune Includes: Full cat-back exhaust Brushed Titanium tips OPF/GPF Bypass kit
Show More Show Less
Milltek Sport Cat Back System with OPF/GPF Bypass - Cerakote Black Tips F90 M5
Milltek Sport Cat Back System with OPF/GPF Bypass - Cerakote Black Ti...
For Vehicles With OPF (2020+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:4826885
Part#: SSXBM1181
Ships in 3 Business Days
Sale - Save 10% $ 4,948.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,453.20 USD
Add to Wish List
Sale - Save 10%
$ 4,948.00

This product was last offered at the strikethrough price on
07-01-2026

$ 4,453.20 USD
Add to Wish List
Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this cat-back exhaust system from Milltek. Milltek engineers took on the task of finding the perfect balance between maximum performance increase and a responsible noise level in each and every system, to appeal to enthusiasts of all levels. All products are direct replacements for factory exhaust systems, meaning no modifications are required for proper fitment. Included with this catback system is Milltek's OPF/GPF Bypass system kit. The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. *Note: Fits OE Downpipes and OE OPF/GPF System. Will require Stage 2 Tune Includes: Full cat-back exhaust Cerakote Black tips OPF/GPF Bypass kit
Show More Show Less

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