Our speakers are O.E. comparable and hassle free with no additional wiring or amplifier needed as to preserve the original look of your car. To support our D.I.Y. enthusiasts, we offer a free rental service for our installation tools. Another option is to find a Bestbuy or any mechanic/car electronic shop nearest you for professional installation service. Check out our D.I.Y. installation videos on Youtube for simple step-by-step instructions. If you have any questions or would like assistance with your purchase or installation, please reach us at (714) 540-1568, email@example.com or chat with us on our website.