Products Fitment
Designed for BMW G20/G21 M340i B58
tAIMEI PERFORMANCE construction with
- stainless steel 304 for durability
High Performance BMW G20/G21 M340i B58 Valved Exhaust Catback
BMW G20 / G21 M340i B58 Fi valvetronic Exhaust (Frequency Intelligent Exhaust) high-performance valvetronic exhaust system is direct replacement bolt on system manufactured out of a high-grade T304 stainless steel that offers an exhilarating soundtrack.


Products Description
Titanium Alloy Catback Exhaust Pipes Parts for BMW G20/G21 M340iValved Sport Exhaust System
-Seamless Stock Tip Integration: The system is designed to reuse your stock square tips for a clean, factory-like appearance. Two pipes will discreetly point downward below the rear bumper for flawless integration.
-Optional 90mm Quad Tip Upgrade: Choose from three 90mm quad tip options for a sporty look. This upgrade requires removing the OEM tips.
-Full Catback Design: A complete system offering a richer, more aggressive sound profile to elevate your driving experience.
-Effortless Installation: This 100% plug-and-play system requires no cutting, ensuring a straightforward and completely reversible modification.
-Premium Materials: Constructed entirely from 304 stainless steel for unmatched durability and corrosion resistance.
-Optimized Flow and Sound: Featuring a larger 3.5'' single midpipe and 2.75'' diameter piping to enhance flow, improve throttle response, and deliver a sportier exhaust note.
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Important Notes
Installation Tip: Test fit the bumper with the exhaust installed before final mounting. Ensure exhaust tips are properly centered in bumper openings.
Sound Warning: This system produces a loud, deep, and aggressive exhaust tone.
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.












