The Scosche SAHC634 speaker adapter pair is designed for upgrading your factory speakers to most 6.5” or 6.75” aftermarket speakers with up to a 5 5/8" top mount diameter into the factory front/rear door speaker locations of Select 2007 to 2019 Acura & 2006 to 2017 Honda Vehicles. Made from high grade ABS materials to ensure durability and longevity and engineered for a precise fit for your new speaker install. We are so confident in the quality that we back the speaker adapters up with Scosche's Lifetime Tech Support and our Limited Lifetime warranty.