Welcome to our new series Mod or Myth ... where we seek to answer the question: "Do car mods actually make a difference on track".

We kick things off with a bang when we take the venerable Porsche Cayman GT4 and try to reclaim the horsepower that Porsche left off the table.

Find out if the IPD Competition Plenum with 82mm GT3 Throttle Body, BMC Air Filters and Cobb Accessport make real power on the dyno and any real world difference on the race track.

Special thanks to Mantis Autosport and @Jrponline

@Jrponline
@Mantis Autosport
@Innovative Pro Design
@BMCAirFiltersofficial
@cobbtuning

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