RM Motors Downpipe BMW F80 M3 S55 US-Version PROM.112121
Upgrade your BMW exhaust flow and performance with the RM Motors Downpipe BMW F80 M3 S55 US-Version PROM.112121. Manufactured from premium T304 stainless steel, this downpipe ensures exceptional strength, improved exhaust gas flow and increased efficiency. Designed with precision using CNC technology, it provides maximum reliability and support for both tuned and stock engines.
Key Features & Benefits of RM Motors Downpipe BMW F80 M3 S55 US-Version
- Enhanced Exhaust Flow for improved throttle response and potential power gains
- T304 Stainless Steel Construction – corrosion-resistant, long-term durability
- Precision CNC Manufacturing – perfect fitment and structural strength
- 24-Month Manufacturer Warranty
Compatible Models & Fitment
- Fitment: BMW F80 M3
- Engine: S55
- Category: Downpipe
- Product Code: PROM.112121
Information about RM Motors Downpipe BMW F80 M3 S55 US-Version
Downpipe has the following connections:
– two lambda sensor bungs on each pipe.
Downpipe has been completely made of high quality stainless steel (T304, X5CrNi18-10, 1.4301, AISI 304, 0H18N9). Each element was develop with CNC technology. 24 months manufacturer’s warranty for the product.
OE:
18327848041
18327848044
Why Choose This Manufacturer Downpipe?
RM Motors downpipes are built for tuning specialists and performance enthusiasts who demand superior materials, reliability and maximum performance potential. The downpipe reduces backpressure, supports higher power output, and enhances turbo efficiency—making it ideal for both stage 1 and stage 2 performance upgrades.









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