Quote:
Originally Posted by Z_Enthusiast
I installed mine several months ago via the instructions and felt the car lagged a little sub 3k rpm. I tried researching if the duct which restricts the rubber tubing makes a difference cut vs. uncut. No results. I decided to try it myself and after cutting and letting the ecu relearn it feels stronger. I don't have anything to prove this except for my butt dyno....
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It's pretty believable that you gained a few hp from that. The cross section where the silicon tube passes throug the uncut hole is a lot smaller than uncompressed. Did you cut the same way the Gen III's require cutting? Like do the tubes go through the same location?