Mufflers for GT - where to start?

Exhaust modifications

Mufflers for GT - where to start?

Postby chris12 » Thu Mar 27, 2014 12:31 pm

I'm kinda starting to think about things I can do to my automobile and two things I'm starting to want to waste my money on are wheels and mufflers.

Now, I'm not hugely knowledgeable about exhausts so pardon any silly questions.

At the moment I have a blank canvas.

One thing I don't want to do is go loud. I really just want something quite subtle and a very minor improvement to what I have now which, perhaps, looks towards getting more involved as I go if I feel the need.

If I get some mufflers which bolt on, does that mean I can literally get under the car, unbolt the old ones and put in the new ones? No need to take it to an exhaust shop?

Also, is a change of mufflers going to make the difference I'm after? Does it effect the sound or not so much? I'm guessing STi or Ultrex (I actually have very little idea about what these produce). I think STi will be a little bit more tinny sounding and the Ultrex a bit deeper?

Any recommendations or advice greatly appreciated.
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Re: Mufflers for GT - where to start?

Postby Robbks » Thu Mar 27, 2014 1:59 pm

I suggest an aftermarket dump pipe for better flow, THIS is where the power and economy gains are had
then Ultrex, STi or TCP mufflers to suit your tastes.
then an ECU tune to keep it safe and unleash some more power and efficiency
coyote wrote:Sure, a GTR is fast ... but it's about as interesting as listening to grass grow.
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Re: Mufflers for GT - where to start?

Postby CHOCKEY » Mon Mar 31, 2014 7:47 pm

I have been thinking the same. I am planning on getting a kido tune.
Would it be stupid to get dump pipe, New mufflers and keep all the stock piping in between?
Where could you buy TCP twin tip mufflers?
I'm in Melbourne and have an auto specB 2.5 turbo Wagon.
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Re: Mufflers for GT - where to start?

Postby chris12 » Mon Mar 31, 2014 7:54 pm

Reading this thread: viewtopic.php?f=55&t=25702 I definitely think I'll start with just the mufflers and see how I go. Definitely don't want something loud, but want to dip my toe into the water.

TCPs seem the be the way to go, but at $650, they seem expensive.
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Re: Mufflers for GT - where to start?

Postby fibble » Mon Mar 31, 2014 8:33 pm

"Bolt on" depends on which parts you buy.

For example, if you go a TCP dump pipe, an exhaust shop will need to weld in the "bung" for your front 02 sensor.....

Mufflers are normally just "bolt on". :wink:

But ...... most good exhaust shops charge reasonable rates, so it sometimes helps to have them do it - expecially if something is a little crooked :wink:
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Re: Mufflers for GT - where to start?

Postby CHOCKEY » Wed Apr 02, 2014 8:46 pm

Where have you priced the TCP mufflers? Can't seem to find them.
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Re: Mufflers for GT - where to start?

Postby Caution » Wed Apr 02, 2014 8:48 pm

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Re: Mufflers for GT - where to start?

Postby shav » Thu Apr 03, 2014 4:44 pm

I have an Ultrex 3" cat back at the moment with single tip mufflers. After the exhaust has truly carboned up and worn in, I find the sound is very subtle. I too didnt want loud and was apprehensive but I am finding my exhaust to be perfect in terms of noise. I dont find it drones at all and mines an auto. It just has that nice boxer burble at cruise that everyone wants.

Alternatively, just a muffler change will get you a similar note, but not quite as deep as the upgraded middle section of the exhaust.

I have an s/s 3" Invidia dump with cat on order and I have been told this will increase the sound of the turbo a bit. Hopefully not too much though.
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MY07 Subaru Liberty GT Premium Sedan | HKS Panel filter | Pierburg 3 port | Whiteline adj sways F&R | Cusco HD mounts | Whiteline HD front sway links | Anycarlink AL-1080B | Ultrex s/s 3" CBE | Ultrex PU lip spoiler | Invidia s/s dump pipe and 100cel cat | KiDo tuned | DBA T2 rotors | Intima SS brake pads | Mishimoto TMIC | Koya ISR7 wheels | 265L Kobe fuel pump | Diamond Works SI Drive dial | Bilsteins

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