Quote:
Originally Posted by Caravanshaka
3-4 hp was the difference between the 2 cat-backs, not the overall gain.
DDM did a baseline, then another pull with the HFC's and did 19 hp...later on down the road he did a NEW baseline, then added the exhaust and got 13 hp. Yes, the temperature was low for the HFC's compared to 110 degrees he ran in with the exhaust, so adjusted for temp and take away 10% of the original 19hp gain and you are still looking at 30hp to the wheels, or over 10% gain.
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3-4 over the competition with turbos, again you have to be joking. Well when we get our turbo kit done for the 370Z (opps I let the cat out of the bag, me and my big mouth) I will show you a comparison and you will shake your head in dis belief.
I have yet to see a dyno with the stock cats and and just their cat back. Of course the cats are going to free up more power. Explain to me why you would do a baseline dyno with aftermarket cats and a stock cat back. They made with their cats and stock cat back with what we made completely stock. If you really want to break it down, the day before, a dyno was attempted with aftermarket air intakes. I wonder if the dyno had gone smooth if that wouldn't of been disclosed!