AEM X-Series OBDII Wideband UEGO AFR Controller Gauge (AEM 30-0334)

Some performance products are subject to California emissions regulations and manufacturer sales restrictions. As a result, this item may not be available for purchase or shipment within California.

If you have questions about this restriction, need help verifying fitment, or are looking for a CARB-compliant alternative, our team is here to help.

FMS Auto Performance📞 (559) 740-7953🌐 www.fmsautoperformance.com

CARB EO Status: Please refer to the product specifications for the applicable CARB Executive Order (EO) number, if available. Products without a CARB EO may not be legal for use on emissions-controlled vehicles in California.

Returns & Exchanges

We want you to be fully satisfied with your purchase from FMS Auto Performance, LLC.

Returns and exchanges are accepted within 30 days of delivery. Approved returns are eligible for a refund minus any applicable shipping costs and payment processing fees (including PayPal fees).

Some products may qualify for repair or replacement under the manufacturer’s warranty, at the discretion of the manufacturer.

Return Authorization (RMA Required)

All returns must be approved before being sent back.

• A Return Merchandise Authorization (RMA) is required for all returns

• The RMA number must be clearly written on the outside of the package

• Packages without an RMA will be refused and returned to sender

Non-returnable items include:

• Installed or used products

• Electrical components

• Wheel spacers

• COBB Accessport devices

• Special order or custom items (including hardware, hoses, fittings, etc.)

Return shipping is the responsibility of the customer and must be shipped Delivered Duty Paid (DDP).

To request an RMA, please contact us with:

• Order number

• Reason for return

• Full contact details

Return Conditions

To be eligible for a return:

• Item must be unused and uninstalled

• Must be in original packaging

• Must include all hardware, accessories, and components

• Proof of purchase is required

FMS Auto Performance reserves the right to request photos or additional verification before approving a return.

If returned items are found to be used, installed, or incomplete, we may deny the return or apply additional fees.

Original shipping charges are non-refundable.

Restocking Fees

• A 15% restocking fee applies to all approved returns and canceled orders

• Fees may increase up to 100% depending on the condition of the returned item

• Items deemed unusable will be returned to the customer with no refund issued

Refund Processing

• Refunds are issued after inspection and approval

• Please allow 12–14 business days for refunds to process

• Refunds will be issued via the original payment method, store credit, or company check (determined by FMS)

Damaged or Missing Items

If your order arrives damaged or incomplete:

• Notify us within 5 business days of delivery

• All damage claims must be filed directly with the shipping carrier

• Keep all packaging materials for inspection

FMS Auto Performance does not file shipping claims on behalf of customers.

Contact Us

For return requests or questions, please contact our team with your order details and we’ll get you taken care of.

Customers are responsible for verifying vehicle compatibility before purchasing.

While FMS Auto Performance, LLC makes every effort to provide accurate fitment information, we do not guarantee compatibility for all vehicles, modifications, or configurations.

Fitment may vary based on factors including but not limited to:

• Trim level

• Engine type

• Production date

• Aftermarket modifications

If you are unsure about compatibility, we strongly recommend contacting us before placing your order.

Products that have been installed, modified, or used are not eligible for return due to incorrect fitment.

We stand behind the quality of the products we carry.

Most items sold by FMS Auto Performance, LLC are backed by manufacturer warranties. Because coverage varies by brand, all warranty claims are handled directly through the manufacturer.

While we don’t process warranty claims ourselves, our team is happy to help point you in the right direction and provide any documentation you may need.

⚠️WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands.

For more information see: www.P65Warnings.ca.gov/motor-vehicle-parts