• Eliminate Speed Limiter*
• Recalibrate Speedometer for 26"-38" Tire Sizes*
• Choose from Three Available Performance Settings
• Update available at Flashpaq.com for 2007 model tuning
• COMING SOON! Support for 2007.5 LMM Duramax

• Performance Tune: 83.5 HP and 144.2 ft/lbs torque
• Performance Tow: 61.4 HP and 107.5 ft/lbs torque
• Tow: 44.8HP and 79 ft/lbs torque
• * Not available on 2001

Make/Model

Year

Engine

Trans

Shift Points

Shift Firmness

Speed Limiter

Tire

Gear

Rev Limiter

Adjust Fan

DTC

Multi Tune

Truck (a)

2001

6.6L Duramax

No

No

No

No

No

No

No

No

Yes

Yes

Truck (a)

2002-07

6.6L Duramax

No

No

No

Yes

26" - 38"

No

No

No

Yes

Yes

(c) Except 7.3L Vans and F650 or larger trucks

Note 1 - Denotes that the setting has already been optimized in the Superchips.