MillerCat Shipping, Return & Refund Policy

Orders are typically fulfilled and shipped within 2 business days, though bulk orders may take longer.
Tracking info is emailed (if provided), but only becomes active once the shipment leaves their facility.
Orders may ship in multiple or combined shipments to avoid delays.
Customers are contacted within 24 hours (M–F) if an item is back-ordered.
Lost or stolen packages are not eligible for refunds. Only replacements are offered, and only after the carrier completes an investigation.
For help, customers can contact ExtrailAuto during business days.

Orders cannot be canceled once they’ve shipped.
If a customer refuses delivery or is unavailable for all 3 delivery attempts by USPS or FedEx, they will be charged the return shipping cost back to MillerCAT.

Returns accepted within 30 days of delivery.
Item must be unused, in original condition, and resalable.
Customers are responsible for return shipping costs unless MillerCAT is at fault.
A restocking fee of up to 20% applies.
Cosmetic imperfections caused during manufacturing or shipping are not eligible for free returns.
MillerCAT offers discounted return labels for customer convenience.
Returns must be pre-approved—items sent without authorization will be rejected.

MillerCAT does not offer direct exchanges.
Customers should place a new order and return the original item.
If the original is returned in good condition, a full refund will be issued, minus fees.

After a return is received and inspected, a refund will be issued to the original payment method.
Refunds are minus any fees, including restocking and return label costs.
It may take 3–7 business days for the refund to reflect on a statement.
Lost or stolen packages: no refunds. Only replacements issued after carrier investigation.
Customers are encouraged to minimize returns to reduce carbon footprint.

Customers should inspect packages upon delivery.
If the product is defective, damaged, or incorrect, they must contact support immediately for resolution.

Covered for 5 years or 50,000 miles, whichever comes first.
Warranty ensures the converter is free from defects that would cause failure in emissions tests.
Valid only if installed on an approved vehicle in proper operating condition.
Customer must provide maintenance records proving proper diagnosis and repair of underlying issues.
Claims require:
- Returning the defective converter to an authorized dealer
- Proof of purchase
- Completed warranty certificate
Consequential damages are not covered, including labor, transport, or damage to the vehicle or property.

90-day warranty against manufacturing defects only.
Covers issues that affect installation or product performance.
Warranty valid only with proof of purchase from an authorized source.
Purchases via unauthorized resellers or third-party marketplaces are not covered.
Cosmetic imperfections from manufacturing or shipping are not covered.
Theft is NOT covered:
- Shield is a deterrent, not a guaranteed theft-proof device.
- Works like a car alarm—adds protection, but not absolute prevention.
Miller CAT is not liable for labor, damages, or other costs due to shield use.

90-day warranty against manufacturing defects.
Covers installation and performance issues.
Proof of purchase from authorized sellers is required for all claims.
No warranty for items bought through unauthorized or third-party sellers.
Cosmetic damage not covered.
Not theft-proof—device is a deterrent, not a guaranteed safeguard.
Miller CAT is not responsible for any damages or related costs from product use.

Comes with a 90-day manufacturing defect warranty.
Covers issues that affect fitment or functionality.
Requires original proof of purchase from official or authorized sources.
No warranty if purchased from third-party/unauthorized resellers.
Cosmetic flaws not covered (scuffs, minor dents, etc.).
Does not guarantee prevention of theft—serves only as a deterrent.
Miller CAT is not liable for any damages or operational changes caused by use.