Parkland County, AB T7X5A4(View Map)


North America #1 Big Rig Tuning Company!


DIESEL SPEC offers OFF-HIGHWAY TUNING for CATERPILLAR C7-C9-C13-C15 DPF-CGI Delete .This calibration allows you to completely remove your DPF and CGI VALVE.

• No more regen and DEF (urea) needed • No more carbon in oil equals longer engine life • Save thousands of dollars each year in fuel and maintenance • Mileage gain up to 20% • Increase torque and horsepower

We can tune your engine in 1 hour, anywhere you are across Canada and the USA. No shipping or additional modules needed.


For more Info ,Visit our website :

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For Agriculture Tuning, check our Agri website :

For Construction Tuning, check our Construction website :

For Marine Tuning, check our Marine website :

For Fans of High Performance and Competition , Check our new BIG RIG POWER page :



-We have over 350 resellers worldwide to better serve you

-Best aftersales support on the market with 15 employees

-All our tunings are performed in house and Dyno tested

-We offer tuning on more brands and models than any competitor

-We are the #1 tuning shop in North America since 1987! Over 50 000 trucks tuned!

We also offer tuning for the following brands:

-Caterpillar -Cummins -Detroit Diesel -Mercedes -Paccar -Volvo -International -Mack -and all Agriculture, Construction and Marine engines.

LOWEST PRICE GUARANTEED. 30 days satisfaction warranty or your money back.

For more information, call our toll free number at 1-855-932-0060 Or email us at : INFO@DIESELSPEC.CA

Tags: CAT, Cummins, Volvo, DPF Delete, EGR Delete, Detroit, VVA, VNT, VGT, UREA, DEF, Emissions, Fuel Economy, Performance, Off-Highway, CM870, CM871, CM2250, CM2350, ISX, ISM, ISB, ISC, C7, C15, 3406E, C13, C9, ACERT, DDEC 10, DDEC 15, DD15, DD16, D12, D13, D15, D16, MP7, MP8, MP10, MAXXFORCE, MX10, MX13, PACCAR, DT-466, NAVISTAR.

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