Mudflap, Inc.Mudflap has been proudly serving independents and small fleets for over 4 years. In that time, we've saved drivers over $500 million on fuel. As the #1 diesel discounter serving owner-operators, we help level the playing field so you can save as much on fuel as the big guys. When you use Mudflap, you not only save big on diesel, DEF, and other fuel types, but you can also earn incredible fuel rewards on every gallon pumped.
Mudflap, Inc. (mudflapinc.com) has 662 customer reviews on Five Star Index, with an average rating of 4.4 out of 5.
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Kyle O.
One day I saved $7.31 & card fee was $6.73. It really didn’t pay to use the app. It was a much better deal before card fees were added.
Response from Mudflap, Inc.Jun 9, 2025
Hi Kyle, We’re always working to provide the best savings possible for our customers, and we appreciate you sharing feedback.
Tim B.
Quick and easy saves a lot of money
Brent M.
I’ve been using Mudflap for over 3 years. The number of locations continues to grow which is great but I’ve always lived the immediate receipt of purchase. I used the “other company” for about a year but was frustrated with the delayed receipt, usually 1-4 days after purchase. I also love that Mudflap partnered with Casey’s. I save hundreds if not thousands every year I use Mudflap!
Kevin K.
I bought fuel, and the merchant entered the fuel quantity 3x what it actually was, tripling my bill. I didn't notice it until I was already gone. I emailed Mudflap support, being a weekend, and explained everything right then. Come Monday, I spoke with them directly and they began straightening it out immediately. AWESOME CUSTOMER SUPPORT!!!! WAY TO GO MUDFLAP !!!!!
Glenn H.
Ease of using the app, ease of getting fuel, at some locations you can simply enter a code and fuel up. Much better than walking in and then having to go back to check out.
diesel.bud
Mudflap is the best means I've found to make diesel fuel more affordable, often saving me >$0.50/gallon off the pump prices in my area, and I've found the attendant interactions/transactions to be seamless! It's well worth it in my opinion.
George I.
Easy to use. Great people to deal with if you have issues and very timely
DH
love how you can put in the code at the pump I wish all stations had this
