Any work done by a non-authorized repair center will likely void the warranty. Ask before you have the work done if it's a concern.
I would think the mods would enhance resale value provided you can prove who did the work. Price being similar, I know I would rather buy a used 9000ES with one of the above mods over a stock 9000ES.
I would think the mods would enhance resale value provided you can prove who did the work. Price being similar, I know I would rather buy a used 9000ES with one of the above mods over a stock 9000ES.