Big Rig Tuning

1570 Richardson Street, Montreal, Quebec, H3K 1G3 Toll Free: 1-855-932-0060
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Testimonials

Gain 0.6 mpg.better engine response at low end.just what i needed.
- Jeremy , British Columbia

I am saving 15k per year in fuel and less downtime. what can i expect more. thanks guys !
- Ashton , Nova Scotia

Merci davoir redonner vie a mon moteur ! 100 forces de plus et une economie de 7% . Bon investissement :)
- Richard , Ontario

Every 2 weeks i was at the dealer for emission problem.Could not afford to spend more money on this.thanks Diesel Spec to get me back on track.
- Joe , Ontario

Went to 5.4 mpg to 6.1 mpg with more power.
- Karl , Quebec

Lost 30% jake power, but gain 1.2 mpg and huge power.Worth all penny. thanks Diesel Spec !
- Allan , Alberta

Did all my Fleet of caterpillar, average saving of half a mile per gallon.Huge savings at end if year.
- Adam , Alberta

I bought a western star with a DDEC 5 and could not follow those Cat and Cummins. now move out of my way :)
- Brad , Texas

Brands

  • Caterpillar
  • Volvo
  • Cummins
  • Detroit Diesel
  • International
  • Mack
  • Mercedes
  • Paccar

Opening Hours:

Monday - Friday: 7:30 am - 5:00 pm

Sunday - Saturday:Closed