Backwater Performance Systems
Air Filter K&N Large Vanguard Flat Top EFI
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K&N air filter for large block Vanguard EFI engines with flat top cover and no carb kit installed. Original K&N replacement parts. Improves throttle response, horsepower, and fuel economy. Can last a lifetime if maintained properly.
This part is compatible with the following engines:
| Vanguard 37 EFI |
| Vanguard 40 EFI |
| Name | Air Filter K&N Large Vanguard Flat Top EFI |
|---|---|
| SKU | EC-234 |
| Vendor | Backwater Perfomance Systems |
| Title | Default Title |
Shipping policy
I shipped my product to the wrong address
We strongly encourage customers to carefully review their information before finalizing an order. Please note that MMP cannot be held responsible for any shipping or product costs resulting from orders being shipped to an incorrect address.
Where is my order and how do I track it?
At the time of shipment we emailed you a copy of your invoice with the tracking number. Copy, and paste the tracking number on the shipping carriers website
Do you ship internationally?
Currently we ship mostly to the US and Canada. For Canadian orders, recipients are responsible for paying any applicable duties, taxes, and other fees imposed by the Canadian government. Please consult your customs office for details regarding duties, taxes, import fees, and restricted items. If you reside outside the US or Canada, send us an email, and we will take it on a case by case basis.
My package shows delivered, but it's not here.
If your order's tracking information indicates a confirmed delivery but you haven't received the package, please file a lost/stolen package claim with the carrier or your local police department. Once the case is approved, please send us the details, and we'll gladly discuss replacement or refund options with you
How will my order ship?
At MMP, we ship all US orders from our Orem, Ut warehouse using FedEx/UPS/USPS. Upon departure from our facility, you will receive an email confirmation containing a tracking link for your convenience. Please note that FedEx/UPS does not deliver to P.O. Boxes or Military APO/FPO addresses; kindly provide an alternative shipping address to ensure smooth delivery. While we strive to expedite orders promptly, we cannot guarantee specific delivery times once the package leaves our warehouse. Delays may occur during transit, and we appreciate your patience.
How long does it take for my order to ship?
For Ground Shipping: Orders placed before Noon MT typically ship within 3 business days. Please be aware that orders are not processed on weekends; any orders placed on Friday afternoon after Noon MT will commence processing on Monday. Transit times vary between 2-10 days based on your location, with potentially longer shipping durations for Alaska and Hawaii.
For 2-Day Shipping: Orders placed before Noon MT should ship within 1-2 business days. Similarly, orders made on Friday afternoon after Noon MT will start processing on Monday. Expedited shipments to Alaska and Hawaii are not guaranteed to arrive within 2 transit days.
For Overnight Shipping: Orders placed before Noon MT are expected to ship within 1-2 business days. Again, orders placed on Friday afternoon after Noon MT will be processed on Monday. Expedited shipments to Alaska and Hawaii are not guaranteed to arrive within 1 transit day.
Please be advised that orders made during peak and holiday seasons may experience extended processing times. It's important to note that processing time does not encompass shipment transit time with the carrier.