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2003 Lincoln Navigator Performance Chips & Programmers

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


Lives up to the Sales Hype! Gas and Diesel both!

Reviewed By Lowell E (Waynesboro, PA) Reviewed for a 2003 Lincoln Navigator —1/2/2013 8:19 PM

Programmed my 2003 Lincoln Navigator 5.4 liter engine after upgrading to a standard K&N filter (replaced the stock filter only), mileage went up 1.8 mpg after programming. Then used the Cortex Super on my 2008 Ford F250 Super Duty 6.4 liter diesel (you are allowed 2 vehicles for programming). Mileage went up over 2 mpg on the diesel. Unit was easy to update, easy to use. Pricey but worth it, will pay for itself in less than a year, especially with diesel at $4 plus per gallon.

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Superchips Flashpaq F5 Tuner Reviews


It does exactly what I bought it for

Reviewed By Colt C (Harrington, DE) Reviewed for a 2014 Chevy Silverado —11/10/2017 2:46 PM

I bought this to turn off the afm on my truck and it does exactly that. I have also been able to read an engine code with it already as well and worked great. The reason for 4 stars instead of 5 is because it seems to mess with the truck electronics while installing the tune (dash lights flashing, service stabletrak), which I don't know if its normal or not but worries me, so I will just stick with the stock tune with the afm disabled. Autoanything was extremely helpful with the purchase.

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Jet Performance Programmer Reviews


4.2 GAME CHANGER

Reviewed By Linda R (Titus, AL) Reviewed for a 2008 Chevy Trailblazer —10/19/2017 4:11 PM

Jet seems to be the only programmer that works for the 4.2 chevy inline 6. No problem with the installation and I noticed an instant increase in the low end power. this is where the 4.2 really sucks. Don't know why they did not use the 4.3.

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