The Diesel Dudes subject lines
162 subject lines averaging 47 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Nov 5, 2026 7:30 AM | What actually happens if something goes wrong after your delete | 63 | 11 years. Thousands of trucks. Here's what we actually stand behind. | Nov 5, 2026 7:30 AM · 63 characters. 11 years. Thousands of trucks. Here's what we actually stand behind. | |
| Nov 5, 2026 6:31 AM | Our guarantee. Line by line. No fine print. | 43 | 11 years. Thousands of trucks. Here's what we actually stand behind. | Nov 5, 2026 6:31 AM · 43 characters. 11 years. Thousands of trucks. Here's what we actually stand behind. | |
| Nov 4, 2026 6:30 AM | 200,000 miles on a diesel. Here's what separates the trucks that make it. | 74 | The guys hitting 300K miles didn't get lucky. They made specific decisions early. | Nov 4, 2026 6:30 AM · 74 characters. The guys hitting 300K miles didn't get lucky. They made specific decisions early. | |
| Nov 3, 2026 6:30 AM | You said "not right now." Here's why that keeps costing you. | 60 | I've heard every version of "not yet." None of them held up. | Nov 3, 2026 6:30 AM · 60 characters. I've heard every version of "not yet." None of them held up. | |
| Nov 2, 2026 5:30 AM | There are two kinds of diesel truck owners. You already know which one you are. | 80 | Most diesel owners accept the stock configuration. A specific type of guy doesn't. | Nov 2, 2026 5:30 AM · 80 characters. Most diesel owners accept the stock configuration. A specific type of guy doesn't. | |
| Oct 30, 2026 6:30 AM | $4,800 repair. $3,200 delete. One of these fixes the problem forever. | 70 | Guys who've been through both repairs know exactly which one they'd do again. | Oct 30, 2026 6:30 AM · 70 characters. Guys who've been through both repairs know exactly which one they'd do again. | |
| Oct 29, 2026 6:30 AM | "Is this even legal?" (the question we get the most) | 52 | Here's the honest, non-generic answer. | Oct 29, 2026 6:30 AM · 52 characters. Here's the honest, non-generic answer. | |
| Oct 28, 2026 6:30 AM | The trip you're planning this winter is exactly when you don't want a limp mode surprise | 89 | Get ahead of it now, not on the side of the highway in December. | Oct 28, 2026 6:30 AM · 89 characters. Get ahead of it now, not on the side of the highway in December. | |
| Oct 27, 2026 6:30 AM | Add up every repair bill you've had this year | 45 | Now imagine none of them happened because of one part. | Oct 27, 2026 6:30 AM · 45 characters. Now imagine none of them happened because of one part. | |
| Oct 26, 2026 6:30 AM | 150,000 miles is a different conversation than 50,000 | 53 | What matters at each mileage range, and why it's not the same fix for everyone. | Oct 26, 2026 6:30 AM · 53 characters. What matters at each mileage range, and why it's not the same fix for everyone. | |
| Oct 23, 2026 6:30 AM | Your factory warranty is running out on this | 44 | Straight talk on what's covered, what isn't, and for how long. | Oct 23, 2026 6:30 AM · 44 characters. Straight talk on what's covered, what isn't, and for how long. | |
| Oct 23, 2026 6:30 AM | What our guarantee actually covers | 34 | Straight talk on what's covered, what isn't, and for how long. | Oct 23, 2026 6:30 AM · 34 characters. Straight talk on what's covered, what isn't, and for how long. | |
| Oct 22, 2026 6:30 AM | "I'll just deal with it later" | 30 | That's the most expensive sentence in diesel ownership. | Oct 22, 2026 6:30 AM · 30 characters. That's the most expensive sentence in diesel ownership. | |
| Oct 21, 2026 6:30 AM | 86.6% of our reviews are five stars. Here's why. | 48 | Real installs, real trucks, real numbers, not a marketing line. | Oct 21, 2026 6:30 AM · 48 characters. Real installs, real trucks, real numbers, not a marketing line. | |
| Oct 20, 2026 6:30 AM | Your fuel economy took a hit and you probably didn't notice when | 65 | DPF and EGR systems drag mileage down slowly, not all at once. | Oct 20, 2026 6:30 AM · 65 characters. DPF and EGR systems drag mileage down slowly, not all at once. | |
| Oct 18, 2026 5:01 PM | Last call: TREAT ends at 11:59 PM ET | 36 | A few hours left for $150 off and a shot at a free bundle. | Oct 18, 2026 5:01 PM · 36 characters. A few hours left for $150 off and a shot at a free bundle. | |
| Oct 18, 2026 6:30 AM | Ends tonight: $150 off delete bundles | 37 | Last day of Truck Or Treat. Code TREAT. 11:59 PM ET. | Oct 18, 2026 6:30 AM · 37 characters. Last day of Truck Or Treat. Code TREAT. 11:59 PM ET. | |
| Oct 17, 2026 6:30 AM | Save $150 to spend on your kids’ costume | 40 | Truck Or Treat ends tomorrow night. Code TREAT. | Oct 17, 2026 6:30 AM · 40 characters. Truck Or Treat ends tomorrow night. Code TREAT. | |
| Oct 16, 2026 6:30 AM | One person gets their order refunded | 36 | Order any Full Delete Bundle this weekend and you’re in. Code TREAT. | Oct 16, 2026 6:30 AM · 36 characters. Order any Full Delete Bundle this weekend and you’re in. Code TREAT. | |
| Oct 15, 2026 5:00 PM | $3,000-6,000. That’s the scary part. | 38 | The dealer quote is the real horror story. Take $150 off the fix. | Oct 15, 2026 5:00 PM · 38 characters. The dealer quote is the real horror story. Take $150 off the fix. | |
| Oct 15, 2026 6:30 AM | $150 off your delete bundle is LIVE | 35 | Truck Or Treat starts now. Code TREAT. Ends Sunday 11:59 PM ET. | Oct 15, 2026 6:30 AM · 35 characters. Truck Or Treat starts now. Code TREAT. Ends Sunday 11:59 PM ET. | |
| Oct 14, 2026 6:30 AM | This is who actually buys a delete kit | 38 | It's probably not who you'd picture. | Oct 14, 2026 6:30 AM · 38 characters. It's probably not who you'd picture. | |
| Oct 13, 2026 6:30 AM | Does a delete kit actually void your warranty? | 46 | The honest answer, plus what genuinely does put your warranty at risk. | Oct 13, 2026 6:30 AM · 46 characters. The honest answer, plus what genuinely does put your warranty at risk. | |
| Oct 13, 2026 6:30 AM | Here's what actually voids your warranty (it's not this) | 56 | The honest answer, plus what genuinely does put your warranty at risk. | Oct 13, 2026 6:30 AM · 56 characters. The honest answer, plus what genuinely does put your warranty at risk. | |
| Oct 12, 2026 6:30 AM | Cold weather is where a weak emissions system shows itself | 58 | DPF regens hate cold starts. Here's what that's actually doing to your truck. | Oct 12, 2026 6:30 AM · 58 characters. DPF regens hate cold starts. Here's what that's actually doing to your truck. | |
| Oct 9, 2026 6:30 AM | $3,000-6,000. That's what a DPF costs at the dealer. | 52 | And that's just the parts and labor. It doesn't count the truck being down. | Oct 9, 2026 6:30 AM · 52 characters. And that's just the parts and labor. It doesn't count the truck being down. | |
| Oct 8, 2026 6:30 AM | The fix for limp mode takes 3 hours | 35 | It's the same story every time. Here's why it happens and what actually stops it. | Oct 8, 2026 6:30 AM · 35 characters. It's the same story every time. Here's why it happens and what actually stops it. | |
| Oct 7, 2026 6:30 AM | What 100,000 miles actually does to a diesel emissions system | 61 | It's not a coincidence that problems start showing up right about now. | Oct 7, 2026 6:30 AM · 61 characters. It's not a coincidence that problems start showing up right about now. | |
| Oct 6, 2026 6:30 AM | The real math on a delete kit (most people get this wrong) | 58 | It's not about the sticker price. It's about what you stop paying for. | Oct 6, 2026 6:30 AM · 58 characters. It's not about the sticker price. It's about what you stop paying for. | |
| Oct 5, 2026 6:30 AM | “4 more miles per gal”, and what that's actually worth over a year | 66 | A small number at the pump adds up to a lot more than it looks like at first glance. | Oct 5, 2026 6:30 AM · 66 characters. A small number at the pump adds up to a lot more than it looks like at first glance. | |
| Oct 2, 2026 6:30 AM | “All three of us have same kit and same great results” | 54 | One customer didn't just delete his own truck. He did it with his family, the same day. | Oct 2, 2026 6:30 AM · 54 characters. One customer didn't just delete his own truck. He did it with his family, the same day. | |
| Oct 1, 2026 6:30 AM | What a cheaper local quote usually leaves out | 45 | It might genuinely be cheaper. Worth knowing exactly what you're comparing before… | Oct 1, 2026 6:30 AM · 45 characters. It might genuinely be cheaper. Worth knowing exactly what you're comparing before… | |
| Oct 1, 2026 6:30 AM | “My buddy said his shop can do it cheaper.” Let's compare what's included. | 74 | It might genuinely be cheaper. Worth knowing exactly what you're comparing before… | Oct 1, 2026 6:30 AM · 74 characters. It might genuinely be cheaper. Worth knowing exactly what you're comparing before… | |
| Sep 30, 2026 6:30 AM | “Do I need a tuner AND a delete kit?” Clearing up the most confused question we get | 83 | These get talked about like they're interchangeable. They're not, and the difference… | Sep 30, 2026 6:30 AM · 83 characters. These get talked about like they're interchangeable. They're not, and the difference… | |
| Sep 29, 2026 6:30 AM | The 18-month payback math, updated for this year's diesel prices | 65 | We ran the numbers again with current fuel prices. The math still works, here's how. | Sep 29, 2026 6:30 AM · 65 characters. We ran the numbers again with current fuel prices. The math still works, here's how. | |
| Sep 28, 2026 6:30 AM | What our worst reviews actually say | 35 | We're not hiding from the bad ones. Here's what they actually cover, and what they don't. | Sep 28, 2026 6:30 AM · 35 characters. We're not hiding from the bad ones. Here's what they actually cover, and what they don't. | |
| Sep 25, 2026 6:30 AM | Why your fuel economy math never adds up the way the window sticker promised | 77 | Here's the part of the reason nobody tells you. | Sep 25, 2026 6:30 AM · 77 characters. Here's the part of the reason nobody tells you. | |
| Sep 24, 2026 6:30 AM | “What if I sell the truck later?” Here's what buyers actually search for. | 73 | We looked at what buyers are actually searching for. It's not what most sellers assume. | Sep 24, 2026 6:30 AM · 73 characters. We looked at what buyers are actually searching for. It's not what most sellers assume. | |
| Sep 23, 2026 6:30 AM | “I feel like I just bought a new truck” | 39 | Two customers, two different trucks, almost the exact same words afterward. | Sep 23, 2026 6:30 AM · 39 characters. Two customers, two different trucks, almost the exact same words afterward. | |
| Sep 22, 2026 6:30 AM | Your factory tow rating was never tested on a restricted exhaust | 64 | That number on your door jamb was measured before years of DPF buildup and DEF dependency. | Sep 22, 2026 6:30 AM · 64 characters. That number on your door jamb was measured before years of DPF buildup and DEF dependency. | |
| Sep 21, 2026 6:31 AM | “How long does shipping actually take?” An honest answer. | 57 | Not a marketing promise. The actual timeline, and what can slow it down. | Sep 21, 2026 6:31 AM · 57 characters. Not a marketing promise. The actual timeline, and what can slow it down. | |
| Sep 18, 2026 6:30 AM | 267,000 miles. “I should've did this 250,000 miles ago.” | 56 | One customer waited almost the entire life of his truck. Here's the mile marker he wishes… | Sep 18, 2026 6:30 AM · 56 characters. One customer waited almost the entire life of his truck. Here's the mile marker he wishes… | |
| Sep 17, 2026 6:30 AM | “Is this even legal?” Let's talk about what off-road use actually means. | 72 | We're not going to dodge this one. Here's what we can actually tell you, and what we… | Sep 17, 2026 6:30 AM · 72 characters. We're not going to dodge this one. Here's what we can actually tell you, and what we… | |
| Sep 16, 2026 6:30 AM | Your dealer's DPF quote vs. our full bundle, side by side | 57 | One of these fixes the symptom. The other removes the cause. Here's what each one actually… | Sep 16, 2026 6:30 AM · 57 characters. One of these fixes the symptom. The other removes the cause. Here's what each one actually… | |
| Sep 15, 2026 6:30 AM | One Duramax owner's real number: 30% better fuel economy, towing | 65 | Not a marketing range. One owner's actual before-and-after, in his own words. | Sep 15, 2026 6:30 AM · 65 characters. Not a marketing range. One owner's actual before-and-after, in his own words. | |
| Sep 14, 2026 6:30 AM | Two years he waited. He calls it “two years I'll never get back.” | 65 | He was skeptical for two years before he pulled the trigger on his LML. Here's what he… | Sep 14, 2026 6:30 AM · 65 characters. He was skeptical for two years before he pulled the trigger on his LML. Here's what he… | |
| Sep 11, 2026 6:30 AM | The turbo lag you've stopped noticing isn't normal. It's restriction. | 70 | You've probably adjusted to it without realizing it's not supposed to be there. | Sep 11, 2026 6:30 AM · 70 characters. You've probably adjusted to it without realizing it's not supposed to be there. | |
| Sep 10, 2026 6:30 AM | “I don't have a mechanic I trust.” Good, you don't need one. | 60 | This is the objection that stops more guys than the price does. | Sep 10, 2026 6:30 AM · 60 characters. This is the objection that stops more guys than the price does. | |
| Sep 9, 2026 6:30 AM | What we can and can't tell you about inspections | 48 | This is the one we won't guess on. Here's what we can actually tell you. | Sep 9, 2026 6:30 AM · 48 characters. This is the one we won't guess on. Here's what we can actually tell you. | |
| Sep 8, 2026 6:30 AM | Diesel prices aren't dropping. Your MPG shouldn't be paying for it. | 68 | You can't control the price at the pump. You can control how many times you're stopping at… | Sep 8, 2026 6:30 AM · 68 characters. You can't control the price at the pump. You can control how many times you're stopping at… |
Based on 162 emails received from Jul 3 to Nov 5, 2026. Times in US Eastern. How we collect