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F40 M135i xDrive GPF-back exhaust system - Milltek SSXBM1244
F40 M135i xDrive GPF-back exhaust system - Milltek SSXBM1244
Regular price
£1,465.22 GBP
Regular price
£1,628.02 GBP
Sale price
£1,465.22 GBP
Taxes included.
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Lightweight, mandrel-bent stainless steel GPF-back exhaust for the F40 M135i xDrive. Cuts 33% weight versus OE and sharpens throttle response - ideal for fast-road or track-day use.
- Bolt-on fit using OE hangers and mounting points
- Deep, aggressive yet drone-free note - no rasp, just purposeful M135i tone
- Requires cutting the OE rear section during install
- Must be used with Maxton Design rear diffuser (sold separately)
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