Products Fitment
Designed for Mercedes-Benz W222 S550 S500 M278
tAIMEI PERFORMANCE construction with
- stainless steel for durability
High-Flow Performance Downpipes for Mercedes S550 S500 W222 M278 - Aggressive V8 Sound
- 304 Stainless Precision Cast transition sections
- All factory heatshield mounting points maintained
- Fully TIG welded
- Argon back gassed for pure welds




Products Description
304 Stainless Steel Downpipes for Mercedes-Benz W222 S-Class S550 S500 V8 Bi-Turbo
- W222 S-Class S550 S500 V8 Bi-Turbo
Made from high quality 304 stainless steel available without specific treatment or covered with a ceramic coating to limit thermal propagation, this decat downpipe intended for Mercedes Benz W222 S63 AMG M157 offers a particularly aggressive sound and a significant power gain.
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Important Notes
Installation Tip: Test fit downpipe with oxygen sensors and heat shields installed before final tightening. Ensure proper clearance from chassis, subframe, and all surrounding components.
Sound Warning: This downpipe produces a Significantly Louder Exhaust Tone with Increased Turbo Spool and Wastegate Noise.
Return Policy: We do not accept returns based on personal sound preferences.
Welcome to contact us for more details!

TM Performance was established in 2015. It is a professional exhaust system manufacturer created by the creative R & D team, skilled mechanics and passionate sales.
Our products' quality&fitment were highly recognized by many customers in the past 9 years.
We already stably supply items for some big brands in US/UK/DE/AU. Export over $5 million annually.
What'S The Product Range?
We're specialized in downpipe/manifold/header/exhaust/muffler/tips.
And also could source intercooler/radiator/silicone hose/clamps/valves/accessories, etc.
So inquiries are all welcomed at any time.
What'S The MOQ?
It depends.
The MOQ is negotiable according to specific requests.
Basically for stock items, we welcome sample testing for first order.
For not stock items or after sample testing, we have to start with bulk order, like 30-50sets for downpipe, 10-20sets for exhaust.
For private design , the MOQ is a bit higher, about 50-100sets for downpipes; 30-50sets for exhaust.












