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I've also been curious of this. I've heard some videos where it sounds more of a HHHHHHHHHHHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA or strangled cat than an awesomely loud exhaust sound. I was looking at getting one also, but would be mortified if it sounded that bad, that loud.

Does the size of the wastegate have much to do with it?

Size of the gate itself has more of an effect that the length/shape of the pipe. I've seen many varying cars, and many varying sounds.

Remember also its pure exhaust, unmuffled by the turbo.

So the extractors/cams and other sound altering bits i think would have an effect.

That said, my ext gate was still the best sounding one that i've heard.

45mm, stock head, GTS-R manifold.

Here is the vid

888648dc-f40f-414d-9c32-ca697e4dad6e.jpgClick here to see Video

I hope you have an external gate

our wastegate atm is a 38mm one a 48mm one is about to go on...but our pipe length is just a 45 degree bend straight out and towards the floor and it would only be like 200mm in overall length. It sounds tough out at the track. It actually overpowers everyother car out there in terms of exhaust note and loudness.

Chris - no idea about the gear. I wasnt paying attention :(

i dunno mine seems heaps louder then that different sound too i got a 38mm wastegate, and my pipe is bout a foot long strqight pipe.

Yeah, the video isnt "the best" in terms of raw sound quality. You really have to hear them in person.

I did try to get the better quality version but couldnt unfortunately

Roy with the Trust Hybrid/Ext gate also sounded similar to mine aswell.

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