Description
Fi EXHAUST’s valvetronic system for the BMW F12 / F13 M6 enhances performance and sound with high-grade T304 stainless steel. The bolt-on system increases horsepower by 5-10% and delivers a refined tone when closed or an intense, sporty sound when open.

![Eisenmann Stainless Steel 38mm Heat Exchanger Set for F-Model Porsche 911 Carrera [P91130.WT38VA]](https://diamondusedparts.com/wp-content/uploads/2026/04/eisenmann-stainless-steel-38mm-heat-exchanger-set-for-f-model-porsche-911-1.jpg)




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