CTS Turbo - BMW F-series M140i/M240i/340i/440i B58 GEN1 Midpipe Upgrade
- Vendor CTS Turbo
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We designed the CTS Turbo F-series B58 80mm Midpipe Upgrade to improve exhaust flow, enhance performance, and bring out the signature B58 throaty sound. The factory midpipe is well resonated, so we developed a high-flow replacement that increases throttle response, sharpens turbo spool, and adds a deeper, more refined exhaust tone.
Built from T304 stainless steel and fully, our 80mm midpipe offers a direct bolt-on fit using all factory mounting points. It integrates seamlessly with OEM components, delivering noticeable gains in both sound and performance without introducing drone or unwanted resonance.
Whether your car is stock or tuned, our B58 Midpipe Upgrade is a must-have to unlock the full character of your F-series BMW.
Features
- Single 80mm midpipe for unobstructed exhaust flow
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T304 stainless steel construction for strength and corrosion resistance
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Direct bolt-on fitment using factory mounting points
- CNC bends allow for perfect alignment of factory rear muffler tips
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Enhanced exhaust tone without rasp or drone
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Improved turbo response and smoother power delivery
Fitment
BMW F-series 340i or 440i B58 Gen1 Models:
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2016–2019 BMW 340i (F30/F31)
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2017–2020 BMW 440i (F32/F33/F36)
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2016–2019 BMW 340i xDrive (F30/F31)
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2017–2020 BMW 440i xDrive (F32/F33/F36)
Notes:
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Not compatible with B58TU (GEN2) engines found in later G-series models
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Compatible with OEM and aftermarket downpipes.