BMW F21 F20 M140i Exhaust Front Resonator delete Oval pipe non ppf weld-on

M140i F21 & F20 Mod - Resonator Delete Oval pipe. Slide the oval res delete pipe over the existing pipework by approx 15 to 25mm per side and tack /weld into place. This Resonator delete pipe replaces the front res(first silencer after the flex section).

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