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06-08-2007, 06:27 PM
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Formerly MR BAXR6t
Join Date: Aug 2007
Location: Sydney
Posts: 986
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Hey guys just wonderin wat would be the best size exhaust system for my xr8. Any tips would b appreciated.
cheeers |
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06-08-2007, 06:38 PM
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Spin 'em Habib !
Join Date: Jul 2005
Location: Cranbourne Victoria
Posts: 3,854
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Twin 2 1/2" Systems are Always very good on the Ear ..
Whooshas Sounds Unreal .. Ill get a Sound file and post it up ... or maybe a burnout vid 
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AU2PWR |
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06-08-2007, 07:10 PM
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Right out sideways
Join Date: Dec 2004
Location: Coffs Harbour NSW
Posts: 5,307
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yep the twins are the go !!!
my sedan has twin 2 1/4" system, i like it
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2010 FG XR50 Turbo | 2007 FPV BFII GT, BOSS 302 |
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06-08-2007, 08:08 PM
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Boost is here!!
Join Date: Oct 2005
Location: Perth W.A
Posts: 4,961
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Mines not an AU but basically the same motor. I'm running twin 2 1/4", mandrel bent in s/steel, IMO its the best for performance, providing excellent low-mid range and also making good power up top, and still gives an awesome crisp note. Other may have varying opinions, the above is just mine.
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STREETBUILT RACING '99 XHII XR8, 363w, GT4508R on 16psi, E85, C4, 910rwhp - ET coming soon! '78 XC Falcon 500, Desert Gold, 351w, V2 on 16psi, E85, C4, 9" - 10.15@132mph! |
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06-08-2007, 09:54 PM
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#5 | ||
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OLD SKOOL BABY
Join Date: Apr 2005
Location: Melbourne
Posts: 1,688
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De Fillipo
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XB Sedan - Trick Mansweto built 351 3V Alloy Headed Cleveland,Demon Carby ontop of CHI Hi Rise Manifold - 600HP 83 F100 XLT - 351 Cleveland C6 Auto wrapped in Black snake skin vinyl, daily tow rig. 1976 XB GS COUPE (waiting to start the rebuild)
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06-08-2007, 10:04 PM
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Young !@#$ Head
Join Date: Feb 2007
Location: Gold Coast
Posts: 796
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Im running twin 2 1/2 into 3 the 3 inch is a bit over kill though. Sounds good though!!
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www.aufalcon.com.au/blackauxr8 AU3 220 XR8 CUSTOM PEARL PAINT LOWERED THEN LOWERED EVEN MORE ADVANTI 20's K&N PORTED MANIFOLDS TWIN 2 1/2 into 3 inch PIPES 244rwhp NOW WITH T5 5 SPEED COBRA CLUTCH AND BILLET LIGHTENED FLYWHEEL SUZUKI GSX-R 750 BLACK 2007 MODEL CARBON FIBRE YOSHI PIPE |
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06-08-2007, 10:07 PM
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#7 | ||
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Club Moderator
 Join Date: Dec 2004
Location: Tas
Posts: 3,744
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i had a twin 2 1/4 cat back on the car when i got it. it sounded great when you were driving the car hard, but when cruising it was quiet. since then it has rusted out and i replaced it with a 3" lukey mandrel bent sytem. the new one absolutely grows compared to the old one. it has a much deeped idle and it just roars into life when u drive the car hard. i also installed some pacemaker tri 'y' extractors at the same time. and as most on here have mentioned i did loose a little down low torque, but have gained in the mid - high rev range.
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06-08-2007, 10:09 PM
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AFF's 1st DM.......
Join Date: Dec 2004
Location: Wha???... There is only 2 states 2 be in.. WA or Drunk..
Posts: 6,200
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For me genie custom extractors and a full 3 inch mandrel bent system.. Genie tornado muffler.
Very deep note, i love it and compared to others , no droning at all. I went back to a 3 inch after i lost hp from a 2.5 system
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FORD GIVING POWER TO THE PEOPLE Alloy headed 347ci EDXR8 13.21 @107.7mph Quote:
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06-08-2007, 10:46 PM
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#9 | |||
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Back to Le Frenchy
Join Date: Feb 2005
Location: Back home.....
Posts: 13,346
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Single 2.5" Herrod system for me, even Holden boys compliment me on how good it sounds. HM Headers made a post in their section not long ago saying that after all their R&D they found the 2.5" single to have the best gains, you lose a few HP at peak power but you gain more in the low end power and torque.
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Quote:
07 Renault Sport Megane F1 Team R26 #1397
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07-08-2007, 11:19 AM
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Back on the road
Join Date: Dec 2004
Location: Wollongong, NSW
Posts: 3,205
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Quote:
I love the sound of the twin 2.5" exhaust on my EB, I just wish it had a bigger cam in it.....need more lump :P The 3" single on my ute sounds good, although the engine combo is very different to the EB which is basically stock. Might have to invest in a good dual exhaust for my ute once its back on the road.
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------------------------------------------------------------------------- AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute 5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor. Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash. |
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07-08-2007, 12:25 PM
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#11 | ||||
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Back to Le Frenchy
Join Date: Feb 2005
Location: Back home.....
Posts: 13,346
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Quote:
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Quote:
07 Renault Sport Megane F1 Team R26 #1397
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07-08-2007, 12:36 PM
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#12 | ||
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Afterburner + skids =
 
Join Date: Dec 2004
Location: Skidsville
Posts: 12,141
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You can't beat the sound of a full twin 2.5 inch system coming off a set of pacemakers...
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Speed Kills. So buy an AU XR8 and live forever. Oo\===/oO |
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07-08-2007, 01:18 PM
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#13 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Melbourne
Posts: 2,256
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I like the exhaust on my ute (difilippo 4 into 1 extractors, 2.5 into 3" single) sounds real tuff, isnt overly loud and works real well, even though a lot of people say they dont work!!
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07-08-2007, 06:39 PM
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#14 | ||
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[ 5L ]
Join Date: Oct 2005
Location: North Haven, Adelaide
Posts: 2,886
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twin 2.5" for sure, this is only cat back system with hi flow cats and i think it sounds unreal.
http://s25.photobucket.com/albums/c9...=NVEExport.flv
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[ 5L ] 2001 AU series 2 xr8, 220kw, 5speed, leather interior, premium sound, narooma blue, cat back exhaust, k&n filter,willall edit,MSD coil packs, MSD leads, monroe gt gas shocks, superlow kingsprings 187rwkw (mainline) www.ignitionimages.com
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07-08-2007, 07:52 PM
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#15 | |||
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FF.Com.Au Hardcore
Join Date: Apr 2005
Location: Moree, NSW
Posts: 2,076
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Its an oldish thread but there's some awesome sounding 8's here.
http://www.fordforums.com.au/showthr...ighlight=sound
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Nathan 2005 FPV BF Super Pursuit The new toy (now sold) The SP The old ute (sold) www.aufalcon.com/nc1183 Build Thread Quote:
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12-08-2007, 07:01 PM
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#16 | ||
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Club Moderator
Join Date: Dec 2004
Location: Tas
Posts: 3,744
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dont mean to dig up old threads, but here is a short clip of my exhaust on the xr8. oh and its not the car miss firing, its the video camera cutting the sound for some reason.
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12-08-2007, 07:50 PM
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#17 | |||
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Boost is here!!
Join Date: Oct 2005
Location: Perth W.A
Posts: 4,961
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Quote:
__________________
STREETBUILT RACING '99 XHII XR8, 363w, GT4508R on 16psi, E85, C4, 910rwhp - ET coming soon! '78 XC Falcon 500, Desert Gold, 351w, V2 on 16psi, E85, C4, 9" - 10.15@132mph! |
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12-08-2007, 08:09 PM
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#18 | |||
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Club Moderator
Join Date: Dec 2004
Location: Tas
Posts: 3,744
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Quote:
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12-08-2007, 08:45 PM
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#19 | |||
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Boost is here!!
Join Date: Oct 2005
Location: Perth W.A
Posts: 4,961
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Quote:
__________________
STREETBUILT RACING '99 XHII XR8, 363w, GT4508R on 16psi, E85, C4, 910rwhp - ET coming soon! '78 XC Falcon 500, Desert Gold, 351w, V2 on 16psi, E85, C4, 9" - 10.15@132mph! |
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12-08-2007, 09:42 PM
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#20 | ||
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Regular Member
Join Date: Apr 2007
Location: Adelaide
Posts: 50
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depends how loud u want it buddy, 2 1/4 twin system with a decent set of mufflers i.e magnaflows will have a nice note yet still be "quiet" without any droning.... it all depends on how quiet u want it in the car... a twin system really has to be the way to go........
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12-08-2007, 10:33 PM
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#21 | ||
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My kids think I'm cool
Join Date: Jan 2005
Location: Perth, WA
Posts: 7,880
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I like a twin 3" on a serious 347 :P
Definately a twin either way for best sound, probably a twin 2 1/2" with x pipe and twin 2 1/4" outs- although I love the sound of no balance or x pipe Personally, I just can't go past the sound of Lukey race mufflers
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2011 FPV GT 335 >My Build Thread< (Posts 3511-3515 has a compilation of most of the pics, page 118 @ 30 posts per page) BLUESTREAK built 5.2L flat-plane-crank VOODOO with 3.2L Intercooled Kenne Bell blower, 1000rwhp/746rwkw @ 8000rpm @ 20psi on E85. Built ZF with BLUESTREAK 2C Circle D converter. Unbloodybelievable... 2018 Ford Ranger RAPTOR 2013 Audi SQ5 |
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12-08-2007, 10:48 PM
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#22 | ||
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Club Moderator
Join Date: Dec 2004
Location: Tas
Posts: 3,744
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it all comes down to personal preference. i had a twin 2 1/4 sytem on the car when i bought it. it was an aftermark cat back and it sounded awesome when you was driving the car hard but was like a sewing machine at idle. so i went with the lukey 3" mandrel bent single system. it has an awesomely deep idle and nice cruise sounds. and when you drive it hard it just gets better. it doesnt drone at all.
i agree with you jim, every system i have heard with the lukey sport/race mufflers sounds great. |
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Best sounding exhaust system
Linear Mode
