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What people say about us

The guy has a passion, and you connect with him as soon as you walk in the door... I've had a Dionne in my Cummins for a week now, and wow... a real monster now!

Denis

Excellent service with Raphaël, he'll do everything he can to get you on schedule and get the job done quickly. Even after the fact, he'll contact you to see how you like his work.

David Rendell

Seriously, I just have good things to say about this company. Raphaël is a machine! You bring her your Cummins and you can be sure that you won't regret it. Very satisfied with my setup, a big thank you my friend!

Keven Lecours

Courteous and impeccable service! Shares his passion and meticulous work. Don't look any longer to have your trucks modified, go see him at all costs! 👌

Samuel Pineault

Transmission dionne and a must it is worth the detour, organized service, courteous and passionate about performance, my only regret is not having brought my truck before. All cummins owners should not do without a set up à la dionne . Thank you Raphaël and to your team!

Philippe Gallant

I had a heavy duty transmission installed and changed my differentials and reprogrammed min cummins by raph. Seriously, I did not expect such a big change in the performance of my cummins. It took them 14 days total and I had my truck back. For anyone who has a cummins ram, I strongly advise you to visit transmission dionne!

Gabzy Levesque

The pros! Many thanks from the team at Mécanique J.Clair in Beaupré 🤘

Yanick Guérin

Excellent service from Raph, great job! I drove 3 hours to get a specialist with Cummins and I'm really not disappointed!

Jayson St-Arneault

The best on the market for transmission and tuning for Cummins !

Samuel Blais

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