Hi-Flow Sports Cat & Downpipe


Requires Stage 2 ECU Software


For Milltek Cat Back Systems Only & Lambda wiring requires extending
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A Milltek Sport Cat Back Upgrade to bring out tone, volume and aesthetically enhance your vehicle
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Enhance your E90/E92/E93 M3 4.0 V8 performance and sound with the Milltek V2 Valved Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an OE+ tone.
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