BMW S55 Resonated Catted Downpipes M2C M3 M4 W/ Flex Section
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These high-performance downpipes are designed to reduce turbo back-pressure, increase horsepower, and provide a deeper, more aggressive exhaust sound without the unwanted rasp. Ideal for Stage 2 tuning and beyond, the catted version features 200-cell catalysts, offering reduced emissions while boosting overall engine performance.
Key Features:
- Up to +30whp / 30wtq: Significant increase in power and torque, especially for high-boost tunes.
- Enhanced Exhaust Sound: Produces a deep, aggressive exhaust note, distinct from the high-pitched rasp of other catless downpipes.
- 304 Stainless Steel Construction: Built for durability, performance, and a precise fitment with factory mid-pipes.
- Improved Turbo Spool & Throttle Response: Reduces back-pressure, ensuring quicker spool times and improved throttle response.
- 200-Cell Catalysts: The catted version features high-flow 200-cell catalysts to improve emissions and flow efficiency without sacrificing power.
Construction & Design:
Each downpipe is built with 304 stainless steel and features precision CNC-machined V-band flanges for a smooth, optimal exhaust flow. Equipped with 4" resonators to fine-tune the exhaust sound, providing a rich rumble while eliminating rasp.
Fitment Guide:
Make: BMW
Model: F80 M3, F82/F83 M4, F87 M2 Competition
Engine: S55 3.0L
Years:
- BMW F80 M3 (2015-2019)
- BMW F82 M4 (2015-2020)
- BMW F83 M4 (2015-2020)
- BMW F87 M2 Competition (2018-2020)
