Quote:
Originally Posted by Red__Zed
You know the 339ps is for a muffler, right?
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Quote:
Originally Posted by G37sHKS
If it gives more than 20 WHP (assuming that the vehicle have all the bolts on and tune) then i think it worth it.
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Okay... well get a quote from someone you like on labor for opening the head and installing new cam.
If the numbers work out for you (or if you can do it yourself), go for it!
For me, it sounds like headache + expensive + unsure how the car will run.