Sound Comparison Between Garage Whifbitz OPF Back Exhaust and OPF Delete.

Today we take on a video that people have been asking for. What is the difference you will hear when you remove the OPF on the Garage Whifbitz exhaust system.
My car (white one) has the Garage Whifbitz OPF back exhaust system found here:
https://www.garagewhifbitz.co.uk/toyo...
Carl's car (red one) has the same exhaust system but has the OPF removed as well whihc can be found here:
https://www.garagewhifbitz.co.uk/toyo...
Both cars were recorded with an external microphone to try and get the clearest sound comparison.

Let me know in the comments what you think.

#GRYaris #ModifiedGRYaris #GarageWhifbitzExhaust

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