Privacy Policy

Q: Communications

If you select during the order process or at other times when you submit personally identifiable information, the information you provide may be used by Interstate Mufflers to create and deliver to you our newsletters, surveys or other communications containing product information. If you prefer not to receive such Communications, please do not select the ‘Please inform me option’. If you do select this option and later decide that you would no longer like to receive these communications, please use the features made available to you.

Q: Brochure Mailing List

If you have requested a Interstate Mufflers brochure, all information is kept completely confidential and is not shared with any third parties. We may, on occasion, send you an updated catalog or brochure. If you do not wish to receive any mail from Interstate Mufflers, please contact us via email at . Include your name and mailing address and email address. You will be removed from any future mailings.

Q: Communications to Serve You

If you have elected to provide us with your contact information, e.g., by registering at the Site, emailing our Customer Service department or placing an order, we may provide you with service related announcements concerning the Site or contact you regarding your customer service requests or your order. For example, all registered users will receive an email to confirm their order. These types of communications are necessary to serve you, respond to your concerns and to provide the high level of customer service that Interstate Mufflers offers its customers.

Disclosure of Personally Identifiable Information

We will never provide your personally identifiable information to third parties for their use in marketing their products or services to you without your consent. Interstate Mufflers takes great pride in having you as a customer and we will ensure your privacy as a customer. Interstate Mufflers does not sell or exchange names or any other information about our customers with third parties.

Q: Fraud Protection and Compliance with Law

We may disclose any information, including personally identifiable information, we deem necessary, in our sole discretion, to comply with any applicable law, regulation, legal process or governmental request. We may also exchange information, including personally identifiable information, with other companies and organizations for credit fraud protection and risk reduction.

Q: Service Providers

We may retain other companies and individuals to perform functions consistent with our Privacy Policy on our behalf. Examples include customer support specialists, web hosting companies, fulfillment companies (e.g., companies that fill product orders or coordinate mailings), data analysis firms and email service providers. Such third parties may be provided with access to personally identifiable information needed to perform their functions, but may not use such information for any other purpose.

Q: Special Events

If you elect to participate in any promotions, sweepstakes, surveys, questionnaires or other events during your visit to our Site, the rules or terms and conditions for those events may indicate that your personally identifiable information will be shared with third parties. By choosing to participate and submitting your personally identifiable information with respect to such events, you consent to disclosure of your personally identifiable information to such third parties.

Q: Business Transfers

As we continue to develop our business, we might sell certain of our assets. In such transactions, user information, including personally identifiable information, generally is one of the transferred business assets, and by submitting your personal information on the Site you agree that your data may be transferred to such parties in these circumstances.

Q: Cookies, IP Addresses, Pixel Tags and Tracking Technology

We may place a "cookie" on your computer's hard drive so we can recognize you as a return user and personalize your experience. A cookie is a piece of data that enables us to track and target your preferences. The cookie will be stored on your computer's hard drive until you remove it. We may also use temporary or "session" cookies to help you shop. These cookies will expire when you place an order. You can have your browser notify you of, or automatically reject, cookies. If you reject our cookies, you may still use the Site, but you may be limited in the use of some of the features. In addition, we may use IP addresses to analyze trends, administer the Site, track traffic patterns, and gather demographic information for aggregate use, as well as in combination with your personally identifiable information for credit fraud protection and risk reduction.

Similarly, when you visit this Site or view one of our emails, we may use pixel tags (also called "clear" gifs), tracking links and/or similar technology to note some of the pages you visit on our Site and personalize your experience. We may also use pixel tags to determine what types of email your browser supports. We may use the information collected through pixel tags, tracking links and similar technology in combination with your personally identifiable information. does recognize your ISP (internet service provider), however, we cannot identify you as an individual. If you make an on-line purchase we do collect information (such as sales statistics and traffic patterns) to help improve your shopping experience. We keep all information confidential.

Q: Use of Aggregate Information

We may use the information you provide in aggregate (non-personally identifiable) form for internal business purposes, such as generating statistics and developing marketing plans. We may collect, store or accumulate certain non-personally identifiable information concerning your use of the Site, such as information regarding which of our pages are most popular. We may share or transfer non-personally identifiable information with or to our affiliates, licensees and partners.

Q: Links

This Privacy Policy applies only to the information collected on this Site. Our Site may contain links to or from other websites and you should be aware that we are not responsible for the privacy practices of other websites. We encourage you to read the privacy policies of other websites linked to the Site.

Q: Security

Interstate Mufflers seeks to protect the security of your personal information both online and offline. All credit card transactions are secure. Every on-line order is encrypted and sent through a secure server, using SSL technology to prevent information from being intercepted.

Confidential information such as your credit card number will be used only to fulfill your order. To protect your privacy, we will ask you to enter your credit card number and expiration date each time you place an order with us. This way, even if someone else accesses the account information stored on your computer, they won't be able to use your credit card.

E-mail is not encrypted and is not a secure means to transmit credit card numbers. We will only display the last 4 digits of your credit card number on your account.

Q: Notification of Policy Changes

Interstate Mufflers reserves the right to revise this Privacy Policy in the future by posting changes at this location and we may make changes at any time without notification.

Q: Updating Personal Information

If you are a registered member at Interstate Mufflers, you can change your personal information at any time by updating your information at check-out.

Q: Contacting Us

We welcome your comments and questions about privacy. Please send email to

We are confident that your visit to Interstate Mufflers is secure and safe. However, you may choose to call us directly to place your order over the telephone. Please call Customer Service toll free at 540-885-5484.

Shipping & Returns

Q: When will my order be shipped ?

Most orders are shipped within 24 hours during weekdays. We do not ship on holidays and weekends.Please note due to high volume of orders shipping could be slightly delayed but our goal is to ship the next business day.

Q: What will it cost to ship my order ?

Currently we offer free shipping on our products. The size and weight of the product package will determine the best source for shipment and delivery,

Q: Taxes and customs and duties fees ?

Interstate Mufflers Company is not responsible for fees applied to your order. All fees imposed during or after shipping (taxes, ect.) are the responsibility of the consumer.

Q: International Shipping ?

We currently do not ship outside the continental United States.

Q: Damages ?

Interstate Mufflers Company is not responsible for damages occurred during shipment or loss of product by the carrier. If your order is damaged upon arrival please notify the carrier to file a claim. Note: Retain all packaging material and product prior to and while filing the claim.


Q: Who owns Interstate Mufflers Company

The SIPE family owns and operates Interstate Mufflers Company and is active in the daily operations.

Q: What should the consumer know when ordering custom performance mufflers and accessories

Measurements. Although many products are designed for multiple vehicles. Your vehicle’s exhaust system is sized from the manufacture. In many instances those systems have been altered by the owner or installer or prior owner so be sure to take proper measurements for true fitment.

Q: What are Interstate Mufflers made of

Our Route series (Hot Rod and muscle car performance, old school exhaust) are made of aluminized steel. Our XPseries (XtremePower Chambers) are aluminized steel and XPseries oval chambered are aluminized steel with ceramic coating. Our PXPseries (ProlineXtreme Performance) are stainless steel. ProlineXtreme Truck are aluminized steel and some are stainless steel. Please see detailed description for each product when placing orders.

Q: How can I know what will perform and sound best on my vehicle

That depends on the level or amount of performance and sound you prefer. Aggressive, very aggressive or exotic tone and is it for highway and street or off road and race performance. Our experienced professionals can help you with the right choice. Just ask !

Q: Does Interstate Muffler Company warranty its products

Yes, see product for details.

Q: Can I return your product

Yes, within 15 days providing it is undamaged or defective and unused. If you simply do not want it and it has not been installed and it is in original unused condition or you ordered the wrong fitment restocking and shipping fees may occur. If it has been damaged in shipping you must file a damage claim with the carrier for the cost of recovery. If it has been installed a request in writing with a full explanation may be requested. At the discretion of Interstate Mufflers Company a refund may be considered.Items sent to us for return or exchange must be accompanied by a (RMA) RETURN MERCHANDISE AUTHORIZATION FORM. Fill out the brief form and a authorization number will be generated and emailed to you.