Valvetronic Designs BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 3 Series G20 (2019+)

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Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.
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Valvetronic Designs 400 Cell Catted Downpipe - BMW B58N (B58TU2)
Valvetronic Designs 400 Cell Catted Downpipe - BMW B58N (B58TU2) ...
For 2025+ model years
Valvetronic Designs - Corporate Logo
T#:52516254
Part#: B58FF400CBR
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Sale - Save 15% $ 1,999.99

This product was last offered at the strikethrough price on
10-04-2026

$ 1,699.99 USD
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Sale - Save 15%
$ 1,999.99

This product was last offered at the strikethrough price on
10-04-2026

$ 1,699.99 USD
Free Shipping
Add to Wish List
The Gen 2 B58 (B58N) turbocharged inline-6 is one of BMW’s most capable modern engines, known for its immense tuning potential and smooth power delivery. However, factory catalysts restrict exhaust flow and limit turbo efficiency. Our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce backpressure, improve turbo spool characteristics, and unlock a deeper, more aggressive exhaust tone — all while maintaining emissions compliance standards.
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