CTS Turbo F90 M5/M5C & F91/92/93/ M8 High-Flow Cats are made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts.
Designed using the latest in CAD technology; this part is made to fit perfectly in place of restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back-purged to ensure years of reliable performance.
In addition to unleashing the power and performance of your 4.4 Twin Turbo, our High-Flow Cats will make your vehicle sound like it really should. When installed with factory exhaust it produces a louder and deeper growl with much more pronounced exhaust “crackle” on downshift. While up-shifting you will enjoy a confident “punch!” as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system.
- Includes 200 cell sport catalytic converter
- Designed and tested on a real car in the real world
- Cast T304 stainless steel, TIG welded back-purged construction
- Replaces restrictive factory catalytic converter
- Great power upgrade with uncompromising performance
- Incredible sporty exhaust sound, subtle when cruising
- No drone with factory exhaust
- 2018-2021 F90 BMW M5
- 2018-2021 F90 BMW M5 Competition
- 2020-2021 F91/92/93 M8
To remove the CEL that will occur, proper stage 2 tuning software must be used.
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