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+)
Milltek Sport - Corporate Logo
T#:4826886
Part#: SSXBM1180
Ships in 5 Business Days
Sale - Save 10% $ 4,948.00

This product was last offered at the strikethrough price on
08-28-2026

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

This product was last offered at the strikethrough price on
08-28-2026

$ 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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Supersprint Performance Exhaust System - F90 M5
Supersprint Performance Exhaust System - F90 M5
Supersprint - Corporate Logo
T#:588215
Part#: TMSF90M5SS
Ships on Dec 2, 2026
Starting at $ 11,530.97 USD
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Starting at $ 11,530.97 USD
Add to Wish List
Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long-lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preference. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!
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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+)
Milltek Sport - Corporate Logo
T#:4813300
Part#: SSXBM1182
Ships in 5 Business Days
Sale - Save 10% $ 5,328.00

This product was last offered at the strikethrough price on
08-28-2026

$ 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
08-28-2026

$ 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
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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+)
Milltek Sport - Corporate Logo
T#:4826885
Part#: SSXBM1181
Ships in 5 Business Days
Sale - Save 10% $ 4,948.00

This product was last offered at the strikethrough price on
08-28-2026

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

This product was last offered at the strikethrough price on
08-28-2026

$ 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
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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+)
Milltek Sport - Corporate Logo
T#:4826884
Part#: SSXBM1184
Ships in 5 Business Days
Sale - Save 10% $ 5,248.00

This product was last offered at the strikethrough price on
08-28-2026

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

This product was last offered at the strikethrough price on
08-28-2026

$ 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
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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+)
Milltek Sport - Corporate Logo
T#:4826883
Part#: SSXBM1183
Ships in 5 Business Days
Sale - Save 10% $ 5,728.00

This product was last offered at the strikethrough price on
08-28-2026

$ 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
08-28-2026

$ 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
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