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USD 382.49
Part #: BT41616

Bully Dog 6 Position 4-Bank Chip #41616

1999.5-2001 Ford 7.3L Powerstroke F-250/350 Manual Trans.
Part #: BT41616
★★★★★ ★★★★★ 3 Reviews
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The 6 Position 4 Bank Chip (Part #: 41616) is designed to increase horsepower and torque on 99.5 - 01 7.3L Ford Power Strokes with manual transmissions. The six positions included are:
High Idle
+50 hp
+75 hp
+100 hp

Utilizing state-of-the-art programs, Bully Dogs 6 Position 4 Bank Chips run the lowest exhaust gas temperatures in the industry, typically running 50 to 100 degrees cooler than competitor products.

For installation, simply plug the chip into the Engine Control Unit (ECU). The 6 Position 4 Bank Chip is adjustable on-the-fly.

-Tow Settings
Recommended never to tow in 100 HP setting
Towing Weights for 75 HP setting: anything lower than 7500 lbs.
Towing Weights for 50 HP setting: anything over 7500 lbs.

-Increase Performance
These performance modules are designed to increase horsepower while keeping EGTs under control.

-New 6 Position 4 Bank Chip
The new 6 position 4 Bank Chip gives additional options such as: high idle with increased RPM for cold weather starts. Valet setting which returns the truck to stock and adds a 70 mph speed governer (99-03 7.3L only).

-Adjustable on the Fly
All 4 Bank Chips are adjustable on the fly when accompanied with a switch. Save time with the ease of operation by adjusting on the fly.

-Removes Speed Limiter


  • Will solve lack of power situations
  • Will help with sluggish shifts
  • With good driving habits, increases in MPG
  • Improved Drivability


Additional Information

Install Sheet


  • MFG. Number 41616
  • Manufacturer Name Bully Dog Technologies
  • Shipping Weight 2.00 lb.
  • Prop 65 WARNING: Cancer & Reproductive Harm -


★★★★★ ★★★★★
3.67/5 Stars out of 3 Reviews
Great power for the money
(Unknown) | September 19th, 2007
This is the first modification to my 2000 F250 7.3L; everything else is stock. Increase in power is remarkable, the chip seems to wake the engine up. Mileage increased by 1-2mpg under moderately aggressive driving in the +75hp setting.It takes some increased attention while driving to avoid over-fueling: the chip dumps in more fuel than the engine can burn if the pedal is to the floor before the turbo can wind up (especially in the 100hp setting). Power is good under these conditions, but it results in lots of black smoke out the exhaust. It seems like air intake and exhaust upgrades will compliment this chip very well; the 100hp setting is really not useful without further upgrades.One minor complaint: the threads that secure the switch to the dash are soft plastic and are easily stripped (everything else seems durable and well-made). Be careful of this during installation.Overall I'm very satisfied - this is the best money I've ever spent on a vehicle upgrade.
Nice chip
Mike (Erie, PA) | August 4th, 2010
Somewhat tricky install - ended up wiping out my PCM relay during the install somehow.But once installed...Awesome chip, The 100 hp setting is pretty intense.Installed in a 7.3 l 2001 Ford F250.
bully dog???
g-daddy (ala) | October 17th, 2011
Bully dog chip is ok.Had it for about 8 mos when it went out,had to send it back twice 1st time they remapped it for a different model,2nd time they left parts out of the box that was needed to put it back on.Very disappointed with customer service.

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