Efini Y-Pipe: How does it flow better?
I got the y-pipe years ago when it first came available - great even if it doesn't add 1 HP. After having cracked my nth plastic pipe, first 2 replaced under warranty ... decided its not cheap as an expendable item and too many autocrosses spent between runs wrapping the thing in racer tape to seal it up.
Joined: Sep 2003
Posts: 3,067
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From: Home of the Rolex 24
Originally Posted by alwan16
the complete project. i just test fitted it and it clears the strut bar by about 3/4" and reaches the ic just right. now i just need to put it back in the car!
Originally Posted by EFS.O
Bringing this back-can anyone point me where to by a new gasket for the Efini Y-pipe?Mine started leaking oil....
I think he's talking about the gasket between the 'y' section and the cross-over pipe, right? I wouldn't know where to get it except calling up Ray @ malloy and seeing if he knows.
Originally Posted by turbojeff
IIRC there was a 10hp uprating on the 96 FD. I believe Mazda did get 10hp more out of all the IC piping changes including the Efini y-pipe.
The IC pipes are smoother and should flow better along with the Efini y-pipe. The crossover pipe is larger than the stock plastic pipe in part because it does not have that cheesy mounting flange that intrudes on the cross section on the stock plastic pipe. The BOV nipple looks to be of a better design also, I'm sure someone mentioned that already
The IC pipes are smoother and should flow better along with the Efini y-pipe. The crossover pipe is larger than the stock plastic pipe in part because it does not have that cheesy mounting flange that intrudes on the cross section on the stock plastic pipe. The BOV nipple looks to be of a better design also, I'm sure someone mentioned that already
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Oct 17, 2020 03:25 PM
