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Text Line Plot Parallel Design


That seems really low. See the two different pulls on my 09 sedan. The higher number is after a B&B exhaust install. Other than that the car is stock

One that that you have to be aware of is heat soak on the motor. The 2nd and 3rd pull were as much as 30 hp lower ...

Also most of the tuners out here with a overdrive pulley hit into the low 600s at the wheels
 

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What percentage reduction pulley are they running that adds 150+ hp? That seems pretty extreme, unless there are other mods being done.
2.55 in upper pulley with a 9 in lower pulley will push boost up close to 17 lbs which will roughly produce 150 over stock. the stock pulley size is 2.95 in upper and an 8 in lower pulley.
 
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