Smarty UDC (User Defined Catcher) Dongle

Smarty UDC (User Defined Catcher) Dongle

Marsoni

M251S

$129.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Smarty UDC (User Defined Catcher) DongleSKU: UDC Smarty UDC (User Defined Catcher) Dongle The Smarty UDC Dongle unlocks the most advanced custom tuning capabilities for Common Rail Cummins diesel engines, allowing users to modify hundreds of parameters with Smarty's highest CaTCHER base tune for smoother power delivery and fine tuned performance that surpasses stock calibrations or basic canned tunes through intuitive PC based software accessible only via this secure USB key. Designed as an

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Not sure why others are saying airflow is decreased or it doesn't fit if they apply it to the correct vehicle. I have a 2023 Grand Cherokee Lmited L and it took me all of 5 minutes to change out the filter and I have to say, this filter is much better quality than the Mopar filter that was in there. There's absolutely no decrease in air flow and it's like a custom fit in the space. The hardest part about the entire process was emptying out the darn glove box!

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Reviewed in the United States on May 22, 2025