Are you located in northwestern Indiana or Chicago & looking for an experienced auto repair shop? US 30 Mufflers 4 Less offers more than mufflers & exhaust. We also specialize in brakes, engines, transmissions, & more! To learn more, give us a call, send an email, or fill out the contact form below. Looking for an estimate on your vehicle’s repairs? Please stop by our convenient Merrillville location for an in-shop estimate.