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JET 99413S Auto Transmission Module Review

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
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Description of JET 99413S Auto Transmission Module

Designed to provide power gain. Constructed with durable material. Provides performance gain of up to 25 horse power. Improves throttle response, acceleration and low end torque. Easy installation.

Reviews

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Type of review

Revainrating 5 out of 5

It actually works and gets better after the ECU is retrained.

Wow! I can't believe how much this affected my '94 5.2 Jeep Grand Cherokee! I didn't expect to get more power from my Magnum engine. Defiantly you immediately feel the increase in PS/TQ, smoother throttle but can't comment on miles per gallon yet. It took about 2 tanks of gas to really get better and smoother. Here is my build to give you an idea. Headline by Doug Thorley. 3 inch exhaust with high flow coil.

Pros
  • Automotive
Cons
  • There are cons