FYI, I just spoke to Jeff at JBA about the 97 Dak 5.2. He said that the
y-pipes will be out in the 2nd week of Feb but not to hold him to that date???
They will add 2-6 hp to whatever header you've got incl. stock manifold. They
will be nickel-plated 14 ga. steel. List(highest) price will be about $160. He
also said that the shorty headers add 17-22 hp.
Usually the better your system, the less you can improve it. If you've got a
cat back, look for the lower end of the range. If you are running stock
everything, you'll get more hp gains.
Since I've got a Gibson cat back, I expect about 17hp from the headers and I
think I'll pass on the 2 hp. y-pipe. If you've got lots of mods and are moving
plenty air you may benefit from it however. For the hard chargers, every
little bit helps.
Dr. Pat
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