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The Remus sound controller for the 2013 Mercedes A 45 AMG 4Matic (W176) integrates with valve-equipped Remus sport exhausts to let drivers change exhaust tone electronically. Matched to the vehicle's 5-cylinder AMG setup, the controller enables on-the-fly adjustment between restrained and freer-flowing exhaust settings, making it practical for street use and spirited driving without swapping components.
Remus 2013 Mercedes 5 AMG 4Matic W176 Sound Controller
