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Old 03-23-2013, 07:39 AM
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Quote:
Originally Posted by bygddy View Post
At my power level is there a noticeable power difference from 3" to 3.5" ....local guy here has one for sale as well for 175$ but I didn't think it was worth it for minimal if any gains.
HP guesses?
The biggest issue is the Y pipe.

You can improve that a lot by custom fabrication.
flowmaster Y250300

2.5" to 3" merge Y collector


The cam is fine. Might want to move it to a true "straight up" position
for best results with the shorty headers and single pipe exhaust.

A 1/4mile run MPH will tell you how much power it is makeing

what ever it is you can work it.
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