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RB20 + turbo + good exhaust = :jump: (read shit loads of power & fun)

simple equation but i've never actually investigated the exhaust part myself...i'm after some help / advice with a new exhaust system for my r32 gtst.

I want as much power gain as possible and for that really loud RB20/25/26 "howl". Do i simply need a cat-back system or do need dump pipes done as well? I have an Apexi PFC running the show and boost is up to about 10/11 psi...any info would be handy and if anyone knows any reputable, no-bullshit workshops in Sydney that'd be a real help too...

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3 inch exhaust from the turbo back. (not just cat back)

mild steel or stainless.. doesn't matter..

small (possibly cannon type) muffler.

3 inch Hi flowing CAT converter.

NO resonator muffler (they just quieten it and you want it loud)

that will give you the maximum power and loud noise you are after..

workshops - any known exhaust place could do it..

or you could get it all japanese... but they tend to be quieter..

Speak to a guy on these forums with the user id BATMBL.

he can get you a good price for the CAT and front/dump pipe.

then buy a cannon muffler and take it all to an exhaust place and ask them to fit it all and make up some 3 inch straight as possible piping from cat to the cannon muffler you bought.

then you have what you are after..

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i found getting my 'line "loud" is bit hard,

i got 3" front pipe, 3" hi flow cat, 3.5" cat back with a 7" barrel

took the resonator out coz it was bit quiet, its bit louder now but still not as loud as i thought, i like it though how in the cabin its still nice and sports but at hi revs yes it screams...

cheers...ben.

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That's right, they sound much better than the RB25. :whip:

you think?!

your opinion, but i think the exhaust note of the 20 is quite boring. whereas the 25 as more character. havent heard many 26s though.

ive had 4 exhausts on my car and havent really been happy with note from any of them. they need lumpy cams to sound good. nice and racey.

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https://www.sau.com.au/forums/topic/53600-im-exhausted/#findComment-1052618
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3 inch exhaust from the turbo back. (not just cat back)

mild steel or stainless.. doesn't matter..

small (possibly cannon type) muffler.

3 inch Hi flowing CAT converter.

NO resonator muffler (they just quieten it and you want it loud)

that will give you the maximum power and loud noise you are after..

workshops - any known exhaust place could do it..

or you could get it all japanese... but they tend to be quieter..

Speak to a guy on these forums with the user id  BATMBL.

he can get you a good price for the CAT and front/dump pipe.

then buy a cannon muffler and take it all to an exhaust place and ask them to fit it all and make up some 3 inch straight as possible piping from cat to the cannon muffler you bought.

then you have what you are after..

Thanks dude - one thing i forgot to add was roughly how much a set up like this would cost if i use mild steel for the exhaust...any ideas?

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https://www.sau.com.au/forums/topic/53600-im-exhausted/#findComment-1057122
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front/dump pipe in one cost = about $250 I think from user on this forum BATMBL.

CAT = $200??? from BATMBL again.

catback system custom made with no resonator muffler and a small stainless cannon muffler would be about $400 - $500.. (I got my piping with resonator muffler for $250 and I had my cannon already...

I got my piping done at

Carline Mufflers at Belfield.

Owners name is Robert.

9750 6281

they have some mufflers you can chose from there if you want or buy one yourself from an online store and get them to weld it on.

so all up, worst case senario...

$250 dump/front pipe

$300 cat

$300 cat back

$200 muffler

about $1000....

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I just had done my exhaust on the weekend. 3" turbo back with i think 5" muffler n 4 " tip.

I got it done at liverpool exhaust. I would definitively recommend them, very friendly service, great work and fairly cheap. I cost me $1000 for the mild steel pipes and stainless steel muffler.

The sound is great, loud and rumbly. At the beginning I thought it was too loud but I’m getting use to it.

Now I get 3-4 psi extra boost.

If you go ask to speak to Jimmy and say Ned with 4 door R32 sent you.

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