Ill Customz

ILL Customz offers premium, American-made products custom engineered to elevate your car audio experience to the next level. Calvin, founder of ILL Customz Metalworks is a basshead and car audio enthusiast. He believes in putting the customer first, always. From Ill Customz’s high-quality products and competitive prices to our community-inspired designs and meme-packed newsletter, we never cut corners in delivering a top-notch experience to our loyal fans.


“Ordered my first product and ordered more as soon as they came in. Amazing quality at a great price. Not to mention the best service and fastest shipping” – David Pinney

“EXCELLENT quality and prices here! I was very happy when I measured the tolerances these guys observe with each product. Consistency matters to me greatly when it comes to my personal install. These are precise down to the millimeter every time. I simply refuse to purchase machined parts from anyone else. I love these guys!” – Stan Lee