standard exhaust.

[slim]

got myself a spare standard exhaust(turbo back)and was thinking about modding down pipe by making a seperate wg pipe.has anyone done this before,would it be very noisey and would it affect performance.is this going to be worth doing or should i just keep it as a spare.

[philS2]

i'm having mine done in 2.5"stainless soon and having that mod.it might be loud(nice one)but it not irreversable.also with it going to air it means not needing a 3" unless you're going for big power

[robo]

Separate wg pipe will make it very loud, I had it done and I am going to put it back to main exhaust but bit father down the down pipe to minimise interference with turbo.

[philS2]

Threads

Now then mate.quick question how do you start a thread.up to now i've been replying.

[steve930]

you can't beat the sound of an external wastegate with its own seperate outlet pipe

if you do the mod and find you don't like the noise, there is the option of building a small resonator to go on the end of the wastegate pipe. which is how porsche do it on the 911 turbo. you still get the advantages without as much noise!!

as the other guys said, it will reduce air turbulance around the exit area of the turbo, which can only be a good thing, but i don't know if/how this would translate when it comes to improvements in either bhp or torque (never done a before & after on a rolling road)

[AAH!]

you can't beat the sound of an external wastegate with its own seperate outlet pipe

I don't think robo would agree with you on this