BMW S55 Decat Downpipes with Flexi 3 inch for M3 F80, M4 F82 and M2 Competition by MTC Motorsport
Unlock serious performance and sound with these MTC Motorsport BMW S55 decat downpipes with flexi. Engineered for the S55 twin-turbo engine found in the BMW M3 F80, BMW M4 F82 and BMW M2 Competition, these 3 inch catless downpipes are manufactured from T-304 high-grade stainless steel, TIG welded and mandrel-bent for maximum flow. Expect faster turbo spool, a sharper throttle response, stronger mid-range punch and a deeper, more aggressive exhaust note.
- T-304 stainless steel construction for durability and corrosion resistance
- Precision TIG welded in-house by MTC Motorsport
- 3 inch bore for optimum flow on stock and tuned S55 applications
- Integrated flexi section for easier fitment and reduced stress on the exhaust system
- Mandrel-bent for smooth, unrestricted gas flow and maximum internal diameter
- Reduced backpressure and lower exhaust gas temperatures for improved efficiency
- Significant weight saving versus factory catalytic converters
- Brushed stainless finish for an OE-plus look
We have installed and tested these S55 downpipes ourselves and seen gains of around 15 to 20 bhp, with noticeably quicker spool and throttle response. Customer feedback has been excellent on fitment quality, performance and sound.
Vehicle compatibility
- BMW M3 F80
- BMW M4 F82
- BMW M2 Competition
Later models equipped with OPF or PPF systems may require appropriate software changes when used for motorsport applications. An engine management light may occur without suitable calibration.
Fitting and support
Professional installation is recommended, as exhaust tolerances can vary by vehicle. Our experience shows these downpipes are straightforward to fit thanks to the flexi section. For expert fitting, choose Nforcd in Warwickshire and request a quote via Sales@nforcd.com.
Why choose these S55 decat downpipes
- Proven power and response gains on the BMW S55 engine
- Enhanced exhaust tone with an aggressive, motorsport-inspired sound
- High-quality materials and craftsmanship from MTC Motorsport
- Designed for enthusiasts seeking maximum performance from their M3, M4 or M2 Competition
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For off-road and track use only where permitted. Check local regulations before purchase and installation.