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Results show that with just the inlets added the acceleration times from 60-130mph reduced by 0
9 hp) at 6
taking advantage of the OEM air feeds as well as using carbon fiber which has a low thermal conductivity coefficient across the wall thickness
Performance Gain : 15-18whp
and aggressive growl and bark throughout the rev range
Milltek OPF/GPF Bypass Non-Resonated (Louder) For OEM System - BMW G80 | G81 M3 | G82 M4 ML-AMG (W164) Results show that with justOPF 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.