Performance Diesel subject lines

10 subject lines averaging 45 characters.

PictureSent (Eastern)SubjectCharactersPreview text
Oct 28, 2026 11:12 PMYour next performance upgrade is waiting40Take another look before it’s gone — your next upgrade is waitingOct 28, 2026 11:12 PM · 40 characters. Take another look before it’s gone — your next upgrade is waiting
Oct 22, 2026 1:02 PMMore Than a Replacement Turbo. Engineered to Outperform.56Better turbo response. Improved performance. Big Boss.Oct 22, 2026 1:02 PM · 56 characters. Better turbo response. Improved performance. Big Boss.
Oct 13, 2026 10:32 PMUse Code WELCOME5 for 5% Off Your First Purchase48New product updates, performance tips, and expert insightsOct 13, 2026 10:32 PM · 48 characters. New product updates, performance tips, and expert insights
Oct 8, 2026 7:32 PMBetter Performance for Your Detroit DD1540Best Big Boss Products for DD15 EnginesOct 8, 2026 7:32 PM · 40 characters. Best Big Boss Products for DD15 Engines
Sep 28, 2026 12:39 PMNEW: Big Boss® Tuner for Detroit Gen539Pre-order now and save $200Sep 28, 2026 12:39 PM · 39 characters. Pre-order now and save $200
Sep 17, 2026 1:57 PMWhat can truckers do to save at the pump?41With Diesel Over $6/Gallon Every MPG MattersSep 17, 2026 1:57 PM · 41 characters. With Diesel Over $6/Gallon Every MPG Matters
Sep 7, 2026 2:15 PMBig Boss Turbos are Engineered to Work as Hard as You Do56Built for the Long HaulSep 7, 2026 2:15 PM · 56 characters. Built for the Long Haul
Sep 3, 2026 1:19 PMNew Big Boss Cummins X15 Tuner Is Now Shipping46Available for 2024–2026 Cummins X15 EnginesSep 3, 2026 1:19 PM · 46 characters. Available for 2024–2026 Cummins X15 Engines
Aug 30, 2026 4:14 AMUse Code WELCOME5 for 5% Off Your First Purchase48New product updates, performance tips, and expert insightsAug 30, 2026 4:14 AM · 48 characters. New product updates, performance tips, and expert insights
Mar 16, 2026 8:31 AMYour next performance upgrade is waiting40Take another look before it’s gone — your next upgrade is waitingMar 16, 2026 8:31 AM · 40 characters. Take another look before it’s gone — your next upgrade is waiting

Based on 10 emails received from Mar 16 to Oct 28, 2026. Times in US Eastern. How we collect

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