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NM1-HDG4 kit features ACT's most popular Heavy Duty pressure plate
A3 performance lives here
12 V square wave signal output
Resonated Downpipes available independently
highest flowing regulators on the market
Akrapovic 2016+ Ferrari 488 GTB/488 Spider Sound Kit (P-HF1082) 1726 NM1-HDG4 kit features ACT's mostThis easy to use optional extra gives the driver the opportunity to switch between dual mode settings for either a sporty sound between the deeper and higher frequencies, or the more regular Akrapovic sound. It works by fully controlling the opening and closing of the exhaust valves simply by pushing a button on the Sound Remote Controller or via the downloadable app. The high performance exhaust by Akrapovic gives you absolute freedom to customize