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Mercury Marauder Jet Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


New To Jet Products

Reviewed By Ken S (Verona, KY) Reviewed for a 1999 Jeep Wrangler —1/2/2009 11:44 AM

This Is My First Purchase Of Any Jet Merchandise. Easy Install....Well.....Except Changing Out The Stock Thermostat To A 180 Degree One, Which Is Required For The Stage II Module On The 4.0 Straight 6 Engine. That Seemed To Become A Major Ordeal For Some Reason. We Will Call That "SGS" ("S"tupid "G"uy "S"yndrome). All That Aside, Everything Went Fine. I Started The Vehicle Up After Install And After Warming Up For A Few Minutes, Immediately, I Noticed A Definite Smoother Idle. I Also Noticed A Definite Cooler Operating Temp On The Dash Gauge. After Driving Fairly Conservative For About 8-10 Miles, I Did Some Harder Accelerating From Stops And On Entrance Ramps To The Interstate. They Was A Definite Improvement In Acceleration Thru The Whole Powerband And The Throttle Seems Much Snappier. Now, Don't Read Into This Too Much. This Is Not A Mind Boggling Change In Performance, But It Is Noticeable. I Have The Banks Power Torque Tubes And Monster Exhaust And That Install Improved Performance. I Installed The Banks Power Ram Air System And That Improved Performance A Little. I Installed An Aftermarket Throttlebody Vortex Spacer And That Was The Least Noticeable In Performance. I May Try The Jet Throttlebody Spacer To See If That Is Better. Soooo...........What I Am Saying Is Every Little Enhancement Helped The Performance. It's Too Early To Tell About Gas Mileage. I Recommend These Type Of "Bolt On" Upgrades Over Tearing An Engine Apart, Changing Heads, Pistons, Cams.......Etc. I Purchased This Jeep New 10 Years Ago And Kinda Babied It Over That Time. I Also Installed New Fender Flares And Body Armor Just As A 10 Year Birthday Gift To The Jeep As With All The Above Installed Items.

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Jet Performance Programmer Reviews


More Power

Reviewed By Mike W (Madison, AL) —12/30/2008 6:11 PM

Used on a 2003 Avalanche with 5.7L, Volant Cold Air, Dual Exhaust, Granatelli MAF. Noticed immediately torque increase, no change in fuel consumption (lead foot).

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