W222 M278 S550 - Catless Downpipes
Unlock the full potential of your 4.7L BiTurbo V8 with our catless downpipes for the W222 S550. Designed to maximize exhaust flow and reduce backpressure, these downpipes deliver noticeable gains in horsepower and torque while enhancing turbo spool for a sharper, more responsive driving experience.
In addition to performance, catless downpipes transform the exhaust note—giving the S550 a deep aggressive tone. Built from high-quality stainless steel for durability and a perfect fit, these downpipes are engineered specifically for the M278 platform.
Key Features:
- Premium Construction: Built from high-grade 304 stainless steel for excellent durability, corrosion resistance, and long lasting performance under extreme temperatures.
- TIG Welded: Professionally TIG welded for clean welds, optimal durability, and a sleek, high-quality finish.
- Heat Shield: Each downpipe comes with a built-in heat shield to protect surrounding components, manage engine bay temperatures, and maintain performance under high loads.
- Direct Bolt-On Fitment: Designed for perfect compatibility with the W222 S550 chassis, bolts directly to factory mounting points without modification.
- Aggressive Exhaust Note: Produces a deeper, louder, and more raw exhaust note as well as a very loud turbo spool at low rpms.
- Built-in Mini Catalytic Converter (Dummy O2 Sensor): Equipped with a mini cat which has a 99% chance of preventing a check engine light by simulating O2 sensor readings.
Fitment:
- M278 S550 (2014-2018)
Warranty Info: All our exhaust systems and downpipes come with a 3-year quality warranty. This covers any manufacturing defects or quality-related issues. Please note: any damage caused by improper installation, physical impact, or other human-related factors is not covered under this warranty.
