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FGXR8 exhaust 

 

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 Post subject: FGXR8 exhaust
Posted: Sat Mar 21, 2009 6:36 pm 
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Ok well my dad has an fgxr8 and i thought i would ask on here
he wants to know how to keep the semi active muffler (SAM) open instead of it opening up when at a sertin rpm
Its bog stock but it needs a bt of grunt
he would rather try this option over then getting a new exhaust first
cheers

 

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 Post subject: Re: FGXR8 exhaust
Posted: Sat Mar 21, 2009 8:32 pm 
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I'm curious, why would opening the semi-active muffler early make a difference to performance? Or are you just after the extra noise when cruising around?

If it's for performance, it's not like the exhaust has to flow copious quantities at low rpm, just scavenge properly (which is determined by the header design), and good low-down grunt is something the FG XR8 already seems to have (comparing manual BFII GT 290 to a manual FG XR8).

I know too much grunt is never nearly enough, but I'd be looking at a flash tune instead of fiddling with the semi-active muffler.

 

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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 7:55 pm 
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Hey mate. If you're after grunt then full exhaust, CAI, under drives and tune will be needed to get the most out of it. Having the SAM open all the time wont make any difference in performance, either will putting a cats back as most of the power is made from good extractors. If you just want noise then throw a cat back on it.

 

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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 8:19 pm 
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Cheers for the replys
not really after preformance atm just really the noise lol,
just want to have that grunt a v8 should

 

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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 8:27 pm 
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tke a muffler box out and put stright pipes there
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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 8:58 pm 
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also been thinking of wacking straight pipes through the cats aswell ( i know not legal but dont care bout that)

 

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’93 ED Falcon Gli, Poly Green, sl king springs front & rear, ea altezza taillights, clear Fairmont garnish, crow cam 303825, 4499 pacies, 2 ½ redback exhaust, 18” enix omega’s, xh snorkel, K&N filter, rear window white vernitions, ed xr corner lights, au side repeters 4 Defects so far

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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 9:38 pm 
Getting Side Ways
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Get in contact with XForce and see if they have a catback system for the FG XR8 yet :mrgreen:

Lol i know it would be expensive but if i had an FG XR8 i would want it to sound similar to this one on the BF GT, ever since i saw this i was hooked on it :)

http://www.youtube.com/watch?v=X36g3bjYSsk

But if you want a cheaper way, you could start taking mufflers out and replacing with straight pipes. Or swap the mufflers for a couple of Flowmaster or Hooker mufflers :twisted:

 

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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 9:49 pm 
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KWIKXR that BF sounds mentally insanely awesome!

 

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 Post subject: Re: FGXR8 exhaust
Posted: Sun Mar 22, 2009 10:31 pm 
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X force do have a cat back, same as a BF set up they are
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 Post subject: Re: FGXR8 exhaust
Posted: Mon Mar 23, 2009 7:09 am 
Getting Side Ways
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heartagramfan wrote:
X force do have a cat back, same as a BF set up they are

And there you have it..

'edroars', put an XForce system on it!! :twisted:

 

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 Post subject: Re: FGXR8 exhaust
Posted: Tue Mar 24, 2009 11:06 pm 
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 Post subject: Re: FGXR8 exhaust
Posted: Tue Mar 24, 2009 11:13 pm 
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wow that x-force one sounds wiked
might have to look into that one abit more i think lol

 

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’93 ED Falcon Gli, Poly Green, sl king springs front & rear, ea altezza taillights, clear Fairmont garnish, crow cam 303825, 4499 pacies, 2 ½ redback exhaust, 18” enix omega’s, xh snorkel, K&N filter, rear window white vernitions, ed xr corner lights, au side repeters 4 Defects so far

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