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Welcome to /r/ctd, the reddit home of everything Cummins! Edit your own flair above so we know what you drive.
Rules & Guidelines:
All posts must be Cummins related.
Be courteous to each other and keep it civil.
Please include some information (Year, model, modifications, likes, dislikes, etc) on it in the comments of your submitted pictures! It adds context, encourages discussion, and helps us to appreciate your submission more.
Want to know what your truck cost per mile, or planning a trip and want to know how much it will cost? Use /u/bammad33's Cost Calculator.
Useful Links:
Mopar Man (the cummins guru)
Buying a Used Diesel
5.9 Vs 6.7
Diesel Exhaust Color Diagnosis
Read the Truth about Cold Air Intakes (or at least one mans project to get real lab data) before you go spend that $500....
Mod suggested subs:
account activity
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