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Question BA XR6T Exhaust recommendations 

 

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 Post subject: Question BA XR6T Exhaust recommendations
Posted: Mon Sep 06, 2010 3:59 pm 
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Hi All,

I've had my car for 3 years and quite frankly.. I'm Bored.
So I'm looking to do a few little things here and there.

Ie. Flash tune + Dyno time... but prior to this I would like to change the exhaust so I don't have to re-dyno at a later date.

Any recommendations?

At the moment I'm fancying those Dual 2.5" systems with the quad pipes by XFORCE. Are they any good?

3.5" Dump pipe, 4" Dump pipe?
Cat?

Id probably go for a larger resonator as I want it to sound grunty under acceleration but not idle like a pig.

What sort of cost would be involved also? Approx

Any help would be muchly appreciated.

- Had this posted elsewhere (Another forum) but eager for any/all answers

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Tue Sep 07, 2010 9:54 am 
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anyone?

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Sat Sep 11, 2010 5:05 pm 
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the xforce systems are good for the money, not the best thing out but will be fine for what your after.
not sure about which dump would be better, but go for a big cat aswell, just remember that when you change the dump and cat you will need the wastegate on the turbo modified to flow better, otherwise it will overboost = bad.
i would recommend a k+n filter, valve springs, injectors and a tune before the exhaust.

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Sun Sep 12, 2010 1:04 am 
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Have a look at this site it may just have what your looking for
http://www.bestmufflers.com/
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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Sun Sep 12, 2010 7:51 pm 
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Really depends on how far you wanna take the power to. 3'' dump is plenty big enough for a std xr6t. I can recommend Ballistic cat's. I'd go 3" inch to the diff, then, if you like the dual twin outlets.
The twin mufflers will keep it pretty quiet, while not sacrificing flow......

Cheers

8-) Daz 8-)

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Sun Sep 12, 2010 11:16 pm 
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if you put a exhaust on it you will need it tuned after or your kill it 4 sure '''
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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Mon Sep 13, 2010 10:19 pm 
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DA22LE: a 3 inch system will be nearly more restrictive than the standard system, as its 2x 2.25inch.

xforce make a 3.5inch system or twin 2.5. the 3.5 will be a bit louder..

i have a standard exhaust apart from a high flow cat, and mine makes 325rwkw @14psi. so the stock one isn't too bad.

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Tue Sep 28, 2010 11:09 am 
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+1 for the standard exhaust here.. 340odd rwkw @15psi with with stock exhaust plus a hi flow cat..





-mitch

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Fri Oct 01, 2010 7:14 pm 
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another + 307 rwkw with stock exhaust tho i removed the middle muffler 2 give it a better note. nice and just under legal limit

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Sun Oct 03, 2010 11:17 am 
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Keep in mind you CAN have issues with overboost as the wastegate just keeps up with std
boost levels.. In most cases just porting the wastegate is enough....
3" single is good for 370 rwkw..
As said tune after any exhaust mods...

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Wed Oct 06, 2010 9:41 am 
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it depends on how much you want out of the car, and if you plan on going further later down the track

youll also need valve springs if your pushing beyond 260-280rwkw on a BA

as a rough guide these are some prices for power levels you can aim for

if your not doing valve springs, i would only do injectors, tune and remove one of your mufflers, and possibly a cheapo cooler to go with it... this will cost you about $1500 to $2000

add valve springs and you can push 300rwkw, $800???

but at this stage you will need a decent cooler, add between $600 - $1500
and a fuel pump $150

320+rwkw, turbo needs to be ported, approx $800 fitted depending who does the work

for 340+rwkw you will need the exhaust done, 3.5" or 4" dump, high flow cat, 3.5" or 2 x 2.5 pipes, $1500
and surge tank $800
and may be time to think about a plenum $1500, recomended but not necessary

to get 260rwkw $1500
to get 300+rwkw $4000
to get 320+rwkw $5000
to get 350+rwkw $7000

im not sure about your trans, but be prepared to say good bye to your T5 or btr at 300rwkw, even at 260rwkw your std clutch wont last too long, so be prepared for that too... and rear tyre wear! haha

 

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 Post subject: Re: Question BA XR6T Exhaust recommendations
Posted: Sun Nov 07, 2010 1:26 pm 
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You dont have to port yout wste gate after 320rwkws mate, you port after about 360rwkws..

I have 2 mates running 350rwkws and still not proted...

Cheers

Pete

 

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