15% OFF Bundle for EXTREME Filter Kits

15% OFF Bundle for EXTREME Filter Kits

Regular price $502.00 Sale price$427.00 Save $75.00
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Filter Housing Size

Maximize your vehicle's and our filter's performance with add-ons like diesel fuel additive, extra filter refills, and oil analysis kits to track your progress!

This Bundle Includes the following for the EXTREME Kits! 
Click on the link to learn about each accessory.

Please select your correct filter housing size. 

SHIPPING POLICY

USA SHIPPING:
Spend $350+ and we'll cover the shipping fee for you. Not valid with engine oil products or 5-gallon pails of Lorenzo's fuel additive. A tracking number is always provided for every order.

INTERNATIONAL SHIPPING:
We highly recommend contacting us by phone before placing an international or Canadian order: (801) 901-0667. International shipping costs are calculated during checkout. If your country isn't listed, please contact us.

RETURN POLICIES

GENERAL RETURN POLICY:
Please review the installation guide or video before purchasing, and confirm the pressure and return port locations for your engine. We're happy to provide guidance if needed. Returns are not accepted for buyer’s remorse or if the kit doesn’t match your engine model, so please double-check compatibility before ordering. If you encounter any issues, contact us — we’re committed to finding a solution.

DAMAGED PRODUCT RETURNS:
All products are inspected before shipping. If your product arrives damaged, please report it with photos within 7 business days of delivery. Only unused, damaged items in their original condition are eligible for replacement or refund. If a product is confirmed to be defective or damaged, you can choose between a replacement or full refund after inspection.

OTHER REFUND POLICIES:
In rare cases where a product qualifies for a return (outside of damage on arrival and within 30 days of delivery), a refund will be issued minus return shipping costs and the Shopify transaction fee (2.4%-2.5% + 30¢). Although we offer free shipping, the original shipping cost will also be deducted from your refund.

Your satisfaction is important to us! If you have any questions or need assistance, please contact us at support@InsaneDiesel.com.


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Engine Enhancement Products

Diesel/Gasoline Fuel Enhancement - Lorenzo's Oil

Leveraging cutting-edge technology, this system is engineered to significantly minimize emissions, achieving up to a 63% reduction during idling and a notable 20% under load. Beyond environmental advantages, it delivers marked improvements in fuel efficiency, ensuring a substantial return on investment.


Shop Diesel Fuel Enhancement
About Insane Diesel's

EXTREME BYPASS OIL FILTRATION SYSTEMS

Providing the best protection against engine wear, oil degradation, acidity, rust, and corrosion.