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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
A = 1802 cm² (+21%)
5 cm² / 63
All our back boxes are manufactured to enhance and fine-tune the acoustics for the ultimate sensory driving experience
Front splitter
Milltek OPF/GPF Bypass Non-Resonated (Louder) For OEM System - BMW G80 | G81 M3 | G82 M4 4 Series (G22 / G23) A = 1802 cm² (+21%)OPF GPF Bypass Non Resonated (Louder) Fits to OE Downpipes & OEM OPF GPF Back System Only Requires OPF Bypass Module or ECU Tune Our range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone.
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