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Seattle Performance Chips

Driving in the rain can be extra demanding of your vehicle, and when you live in Seattle you know to expect a lot of rain. Don’t let your vehicle’s factory settings rain on your parade. Unleash hidden power and gain the performance needed to control your car on wet or slick roads. Our huge selection of Seattle tuner options gives you a wide range of possibilities. When you reprogram your engine with a performance tuner, you get the horsepower and torque that you need and improved drivability.
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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Not worth the money

Reviewed By Alan M (Kalamazoo, MI) Reviewed for a 2007 Chevy Avalanche —7/20/2014 5:15 PM

I haven't noticed any change in the performance of my truck. The range device does disable the active fuel management system like it says it will. I don't think this device is worth the almost 200.00 dollars I paid for it.

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Superchips Cortex Programmer Reviews


Well satisfied

Reviewed By Todd R (DENMARK, IA) Reviewed for a 2004 Ford F-250 —7/20/2014 7:44 AM

I haven't noticed much for mileage difference , but changing the transmission shift points has made a big difference in drivability. I haven't much time to play with it much, but well satisfied so far.

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Jet Performance Module Reviews


jet module review

Reviewed By Michael M (ALBUQUERQUE, NM) —7/19/2014 3:09 PM

I have notice better performance on hills which is the main reason for purchasing the module. I have not noticed any gains in mileage yet but I haven't driven the vehicle through a tank of gas yet to notice any gains.

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About Seattle Performance Chips

Seattle tuning shops can be difficult to choose from. Our customer reviews provide valuable insight from real-life customers to help guide you to the best tuner. Speaking to a live product specialist either online or over the phone gives you even more information about our products so you feel comfortable with your purchase.