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MAD
MAD B58 V2 4.5" Downpipe
Sold by MAD
$152.10
High-flow 4.5" catless downpipe for B58-powered vehicles. 304 stainless steel with smooth mandrel bends. Up to 30HP increase on tuned vehicles. Direct bolt-on replacement with quick installation.
Compatibility
Vehicle Fitment
| Platform | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | BMW 340i | F30 | B58 | 2016–2019 |
| BMW | BMW 440i | F32 | B58 | 2017–2020 |
| BMW | BMW M240i | F22 | B58 | 2017–2021 |
| BMW | BMW M240i | G42 | B58 | 2022–2025 |
| BMW | BMW 540i | G30 | B58 | 2017–2025 |
| BMW | BMW X3 M40i | G01 | B58 | 2018–2025 |
| MKV Supra | Toyota Supra 3.0 | A90 | B58 | 2020–2025 |
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