literally does what it is designed to do without fuss. Super easy install
Seemless fit, solved the problem of having my daughter deal with the engine cutting out and lagging while taking her driving test.
Last Updated: February 2026
At Grenadier USA, we want every customer to be 100% satisfied with their purchase. We accept returns of unused products within 30 days of delivery. This policy outlines what you need to know about returns, refunds, and exchanges.
Accepted Returns:
Cannot Be Returned:
1. Contact Us First Email grenadierusa@thorntek.zohodesk.com within 30 days of delivery with your order number and reason for return.
2. Get Authorization We'll confirm your item is eligible and provide return shipping instructions.
3. Ship the Item Back Pack the unopened item securely with a copy of your order confirmation and our return authorization. You are responsible for return shipping costs.
4. Receive Your Refund Once we receive and inspect your return, we'll credit your original payment method within 5-7 business days.
Important: We reserve the right to deny refunds on custom work, including custom colors.
Custom orders are made specifically for you and cannot be resold. When ordering custom colors, understand that exact color matching cannot be guaranteed. Variations in materials, dyes, paints, and photo representations can lead to unexpected results. We do not offer returns for color being off from expectations.
What counts as custom: Non-standard anodizing colors (lime green, red, blue, etc.), custom powder coating, or special color requests.
Standard colors: Gray, black, and clear anodizing are not considered custom.
If your order arrives damaged, contact us within 72 hours at grenadierusa@thorntek.zohodesk.com with:
What we do: We will reship your order immediately and arrange for the shipping company to pick up the damaged item. You don't need to wait for pickup before receiving your replacement.
If you discover a manufacturing defect (warped product, structural problems, anodizing defects, parts that don't fit as designed), contact us immediately with photos. We will replace or refund defective items at no charge to you.
Note: Normal wear and tear, damage from installation, modifications, or scratches from use are not considered manufacturing defects.
If we shipped the wrong item, contact us immediately. We will:
You don't need to wait to send the wrong item back before receiving the correct one.
We often offer items for pre-sale or keep back-ordered items available for purchase. If at any point before we ship you want a refund, just ask. We will be more than happy to cancel your order and issue a full refund.
Once an item has shipped, the standard return policy applies (30 days, unopened/unused).
Customer pays return shipping for:
We pay return shipping for:
Method: Refunds are issued to your original payment method only.
Timeline: Once we receive your return and verify it's unopened/unused, we process your refund within 5-7 business days. Your bank or credit card company will then credit your account, which typically takes an additional 3-5 business days.
Shipping costs: Original shipping charges are only refunded if the item was damaged, defective, or we made an error.
No restocking fees: We do not charge restocking fees on eligible returns.
We don't have a formal exchange process. To exchange an item:
Note: Custom items cannot be exchanged once production has started.
Before You Order:
Before You Open:
Before You Install:
Required for Returns:
Email: grenadierusa@thorntek.zohodesk.com
For Returns, Include:
For Damaged Items, Include:
Response Time: 24-48 hours
Warranty Policy
Grenadier USA stands behind the quality of our products. All items we manufacture are covered by a limited warranty against defects in materials and workmanship for [1 year] from the date of purchase.
What's Covered This warranty covers manufacturing defects, including flaws in materials, machining, welds, finishes, or assembly that affect the function or durability of the product under normal use.
What's Not Covered
How to Make a Claim If you believe your product has a covered defect, contact us at grenadierusa@thorntek.zohodesk.com with your order number, a description of the issue, and photos of the affected part. We'll review your claim and respond with next steps.
Resolution At our discretion, we will repair, replace, or refund defective products found to be covered under this warranty. Shipping costs for warranty claims may be the responsibility of the customer unless otherwise stated.
Questions For anything not addressed here, reach out to our team — we're happy to help.